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John Deere 420 Parts

Category: Electrical System

[Categories]   [All 420 Parts]   [All John Deere Models]  



NOTE
Alternator
- Don't see the Alternator you need for your tractor? We have many alternators not listed on this website (for tractors 1953 and newer). Just call us at 800-853-2651.
NOTE

John Deere 420 Battery Cable
Battery Cable
- Battery Cables. 0 gauge, length 12, terminal type 2-3*. For tractor models 320, 40, 420, M. (Item #: 179707, Ref: TP-AM349T) $26.50

John Deere 420 Battery Strap
Battery Strap
- Battery Ground Straps. 40, 320, 330, 420, 430, 440, 1010, 2010 crawler. 1 guage, length 9, terminal type Std+. For 1010, 2010, 320, 330, 40, 420, 430, 440 (Item #: 179704, Ref: TP-AL2823T) $19.10

John Deere 420 Coil, 6V
Coil, 6V
- Distributor Coil, 6 volt. Delco Remy equipped. For tractor models B, M, 40, 50 (after 5021479), 60LP, 70LP, 320, 330, 420, 430, 440, 520, 530, 620, 630, 720, 730, 1010, 1020, 2010, 2020, 3010, 3020, 4010, 4020 - DR1115380, 1115381. For 1010, 1020, 2010, 2020, 3010, 3020, 320, 330, 40, 4010, 4020, 420, 430, 440, 50, 520, 530, 60LP, 620, 630, 70, 720, 730, B, M. Replaces AM373T. (Item #: 105281, Ref: D4PE12029AA) $16.30

John Deere 420 Combo Switch Lever
Combo Switch Lever
- Used with switches AM1866T, 10A971, 1K7654A, AR20430, AA5397R, 168089A, 30-3365891. For tractor models 1020, M, 50, 520, 530, 60, 620, 630, 70, 720, 730, 320, 330, 420, 430, 435, 440, 1520, 2020, 8430, 8630, 40. (Item #: 105695, Ref: A4653R) $7.00

John Deere 420 Distributor Cap
Distributor Cap
- This Distributor cap for a 2 Cylinder with a Delco Distributor, Vertical, 12 Volt. Plug connectors on cap are at 90 degrees or 12:00 o-clock and 3:00 o-clock. For Delco distributors up to 1963 on models: A, AR, AO, B, G, M, 40, 50, 60, 70, 320, 330, 420, 430, 440, 520, 530, 620, 630, 720, 730, 1010, 2010, 3010, 4010, 114W, 116W, 323W. Balers~ 25, 30, 40, For 1010, 105, 114W, 116W, 12, 2010, 215, 215A, 25, 299, 30, 3010, 320, 323W, 330, 40, 4010, 420, 430, 440, 45, 50, 520, 530, 55, 60, 600, 620, 630, 65, 70, 700, 720, 730, 95, 99, A, AO, AR, B, G, M. (Item #: 111725, Ref: 1935038) $15.00

John Deere 420 Distributor Cap, Vertical, 6 Volt
Distributor Cap, Vertical, 6 Volt
- Distributor cap for Delco distributor, 2 cylinder, vertical, Please note the orientation of the 2 non-plugged terminals on top of the distributor cap (click "enlarge image"), there are two different orientations available (see Part No: 1935038 for the other orientation). Fits A, B, G, M, 320, 330, 40, 420, 440, 50, 520, 530, 60, 620, 630, 70, 720, 730. (Item #: 103152, Ref: 1909008) $10.20

John Deere 420 Distributor Dust Cover
Distributor Dust Cover
- Fits early Delco Distributor with Clip Held Cap. For tractor models A, AR, AH, AN, ANH, AO, B, BR, BN, BNH, BW, BWH, G, GN, GW, M, MC, MI, MT, 40, 50, 60, 70, 320, 330, 420, 430, 440, 520, 530, 620, 630, 720, 730, 1010, 2010, 3010, 4010. (Item #: 103153, Ref: 1900119) $9.70

John Deere 420 Distributor Hold Down Clamp
Distributor Hold Down Clamp
- This Distributor Hold Down Clamp is serviceable, but not like the original on John Deere M, MC, MI, MT, 1010, 2010, 320, 330, 40, 420, 430, 440. Will replace John Deere part number M415T. (Item #: 182464, Ref: 341139R1) $9.60

John Deere 420 Distributor Shaft Bushing and Shim Kit
Distributor Shaft Bushing and Shim Kit
- Delco Distributor Shaft Bushing and Shim Kit. Fits M, MC, MI, MT, 320, 330, 40, 420, 430, 440, 520, 530, 620, 630, 720, 730, 1010, 2010, 3010 with one of the following Delco distributors: 1112623, 1112623, 1112577, 1112648, 1112581, 1111418. Replaces: washer: 811912, shim washer: 810074, 810078, bushing: 1909003, 1952334 (Item #: 178103, Ref: ABC3007) $29.30

John Deere 420 Distributor Terminal Insulator Assembly, Delco
Distributor Terminal Insulator Assembly, Delco
- Delco Distributor Terminal Insulator Assembly is for Square Shoulder (outside terminal). Note: As distributors can be changed over time, it is best to double check which style you require. This is only a guide of what was original. Fits distributor housings with 0.300 Inch diameter round hole with a keyway. If not sure, measure before ordering. Used on some of the following using Delco distibutors: A, AH, AN, ANH, AO, AR, AW, AWH, B, BN, BNH, BW, BWH, BWH40, D, G, GH, GM, GN, GW, 1010, 2010, 3010, 4010, 420, 430, 50, 520, 530, 60, 620, 630, 70, 720, 730. Replaces: 12H290R, 817363, 1909206, 1914142, 1916805, 1916806 (Item #: 111468, Ref: 1904376) $14.80

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Distributor, Rebuilt
- Complete remanufactured distributor for John Deere 420, 430 and 440 tractors with Delco distributor 1112571, John Deere part number AM3090T. A refundable $25.00 core charge will be added to your order. (Item #: 204320, Ref: 1112571) $432.01

John Deere 420 Electronic Ignition Conversion Kit, 12 Volt Negative Ground
Electronic Ignition Conversion Kit, 12 Volt Negative Ground
- For Tractor Models: M gas, with Delco 1111709; 40, 320 and 330 gas with Delco 1111709, 1112571; 50, 60 and 70 LPG with Delco 1111418; 420, 430 and 440 gas with Delco 1112571. For 12 Volt, NEGATIVE ground system. (Item #: 105068, Ref: 1123) $150.00

John Deere 420 Electronic Ignition Conversion Kit, 6 Volt Positive Ground
Electronic Ignition Conversion Kit, 6 Volt Positive Ground
- Use on the following tractors: M, 40, 320, 330, 420, 430, and 440 with 2-cylinder gas engine using Delco distributor # 1111709 or 1112571 or 50, 60, 70, with LPG engine using distributor 1111418. Electronic ignition conversion kit by Pertronix. Replaces points and condenser with an electronic module. Used Only on tractors with 6 volt POSITIVE ground systems. (Item #: 105069, Ref: 1123P6) $166.00

John Deere 420 Generator - Delco Style (10222), Remanufactured, Delco Remy, 1101859
Generator - Delco Style (10222), Remanufactured, Delco Remy, 1101859
- For John Deere tractor models 40, 320, 330, 420, 430, Compatible with John Deere Construction and industrial models 440, Replaces Delco Remy manufacturer number 1101859, Replaces manufacturer number 10222, 340-31, 92-01-3060, Delco Style, Voltage: 6, Rotation: Clockwise, Amperage: 20, For Flat Mount Regulator use Item #: 105516, (Item #: 203530) $460.01

John Deere 420 Ignition Key - Only
Ignition Key - Only
- For John Deere tractor models A, AO, AR, B, G, 80, 420, 820 (2-Cylinder), 830 (2-Cylinder), 1010, 2010, 2510, 3010, 3020, 4010, 4020, 5010, 5020, 8020 Replaces John Deere OEM number A4700R, , Compatible with Massey Ferguson tractor models Super 90, TO20, TO30, TO35, 35, 40, 50, 65, 85, 88, Compatible with Massey Ferguson Construction and industrial models 200, Replaces Massey Ferguson OEM number 180292M1, 192427M1, (Item #: 121147) $2.80

John Deere 420 Ignition Kit, Delco Clip-Held Distributor Cap
Ignition Kit, Delco Clip-Held Distributor Cap
- Contains points, condenser, and rotor. VERIFY DISTRIBUTOR NUMBER TO ENSURE FIT. For: A, AN, AH, AR, AO, B, BN, BW, D, G, M, 40, 50, 60, 70, 320, 330, 420, 430, 440, 520, 530, 620, 630, 720, 730, 1010 (to 42000), 2010 (to 42000), 3010 (to 1E32999), 4010 (to For 1010), 105, 114W, 116W, 2010, 215, 215A, 25, 299, 30, 3010, 320, 323W, 330, 40, 4010, 420, 430, 440, 45, 50, 520, 530, 55, 60, 600, 620, 630, 65, 70, 700, 720, 730, 95, 99. For Delco distributor numbers 1111716, 1112583, 1112589, 1112557, 1112570, 1112585, 1111722, 1111737, 1112583, 1111558. (Item #: 103151, Ref: ATK1DCR) $10.30

John Deere 420 Ignition\Light Switch
Ignition/Light Switch
- 5 terminal, uses A4653R lever. For tractor models 320, (M, MC, MI, MT all with regulator), 40, (50 up to SN# 5021479), (60 gas up to SN# 6025999, STD gas up to SN# 604299, and Orchard), (70 gas), 330, 420, 430, 435, 440, (620 Orchard from SN# 6223000 and up). Replaces AA5071R. (Item #: 108163, Ref: AM1866T) $38.50

John Deere 420 Key Switch, 2 Terminal
Key Switch, 2 Terminal
- With keys. For tractor models 420, (A from SN# 662874 and up), (AO, AR from SN# 275533 and up), (B from SN# 268820 and up), (G from SN# 46501 and up), 80, (820, 830 2-cylinders). Replaces A4699R, AA5592R, AB4063R, AB4087R. (Item #: 111037, Ref: AB4063R) $33.00

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Light Arm
- For tractor models 40, 420, 430. Replaces T11341T. (Item #: 180677, Ref: M2015T) $24.20

John Deere 420 Rotor
Rotor
- Used with Delco distributors with a clip held cap. For tractor models: A, AO, AR, B, D, G, M, MC, MT, 320, 330, 40, 420, 430, 50, 520, 530, 60, 620, 630, 70, 720, 730, 1010 (1112577), 2010 (1112577), 3010 (1112577), 3020 (up to serial number 58899 and 1112577), 4010 (up to serial number 39499 and 1112581). Replaces 1905590. (Item #: 110177, Ref: 1750498M1) $3.80

John Deere 420 Spark Plug
Spark Plug
- Replaces Autolite AL216, AL7, AL295 and Champion H10, H10C, H10J, H11, H12, H8, H8J, RH10, RH12, RH8 spark plugs. For tractor models 320, 330, 420, 430, 820, 830. Price is for 1 plug. If you need 4, you need to order 4. Verify correct spark plug size and type (Item #: 111743, Ref: AL295) $4.20


NOTE
Starter
- Don't see the starter you need for your tractor? We probably have it! Just call us at 800-853-2651 with your make, model, engine cubic inches (CID) and number off your old starter and we will see if we can find it!
NOTE

John Deere 420 Starter - 6 Volt
Starter - 6 Volt
- This Rebuilt starter has 10 teeth, counter clockwise rotation, 6 Volt. For tractor models M 1954-55, 320 and 330 1956-60, 40 1953-55, 420 1952-53. Replaces 1107127, 1107200, AM1802T and AT16881. No bolt holes on nose cone. (Item #: 203427, Ref: 1107127) $360.50

John Deere 420 Starter Armature
Starter Armature
- Fits Delco starter numbers: 1107006, 1107017, 1107024, 1107025, 1107029, 1107030, 1107035, 1107036, 1107043, 1107044, 1107045, 1107046, 1107059, 1107064, 1107094, 1107096, 1107127, 1107162, 1107165, 1107200, 1107409, 1107423, 1107436, 1107466, 1107472, 1107474, 1107820, 1107822, 1107823, 1107824, 1107905, 1107951, 1107962, 1108036, 1108059, 1108072, 1108093, 1108099, 1108109, 1108162, 1108167, 1108176. Verify Starter number before ordering. (Item #: 178583, Ref: 1872505) $69.00

John Deere 420 Starter Drive
Starter Drive
- Starter drive, Fits L, LA, M, MT, 40, 420, 430, 440, 320, 330. Replaces JD # 1868804. Replaces OEM# 1107036, 1107064, 1107127, 1107200, 1108099, 1107165, 1108072. (Item #: 107059, Ref: 565549) $34.00

John Deere 420 Starter Drive Parts
Starter Drive Parts
- Complete unit available as 356037R91 (Item #: 178541, Ref: SPD12) $130.00

John Deere 420 Starter Drive, Improved Style
Starter Drive, Improved Style
- This improved style starter drive is a positive ratchet style drive. for models L, LA, M, MT, 40, 420, 430, 440, 320, and 330 using starters 1107036, 1107064, 1107127, 1107200, 1108099, 1107165, 1108072. Replaces 1868804. Ten tooth drive, counter clockwise rotation, Barrel Folo rubber cushion drive design, 15.9mm inside diameter, 39.6mm gear diameter, 95-109mm. (Item #: 112575, Ref: 565549-New) $37.30

John Deere 420 Starter Knob
Starter Knob
- Plastic. For tractor models 320, M, MC, MT, 40, 330, 420, 430, 440. (Item #: 179543, Ref: M2544T) $7.70

John Deere 420 Starter Switch
Starter Switch
- For tractor models A up to serial number 502231, AO up to serial number 272000, AR up to serial number 272000, B up to serial number 200999), H, L, LA, M, MC, MT, R, 320, 330, 40, 420, 430, 440, 50, 60. Replaces: 1882323, AT21265. (Item #: 105669, Ref: 1925781) $9.50

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Starter Switch Lever
- For tractor models 320, 40, 330, 420, 430. (Item #: 185147, Ref: M1863T) $20.44

John Deere 420 Starter, 6 Volt
Starter, 6 Volt
- John Deere M from 1947 to 1953, 420, and 430 serial number 100001 and up used this starter. This is a remanufactured 6 volt starter. It replaces TS-1021, 1107165, AM33997T, AM793T, AT10224, AT11324, AT16880, AT16882, AT909T, SE501429, TY1452, TY1453, TY26004, 1107064, 1108072, 1108099, TY6632. Not that this starter has a flanged nose cone. These tractors may also have an non-flanged style nose cone. Verify part numbers before ordering. (Item #: 203424, Ref: AM793T) $463.00

John Deere 420 Tune-up Kit
Tune-up Kit
- This Tune-up Kit is for John Deere 2 cylinder tractors with gas engines. Contains: Autolite spark plugs (AL216), heavy duty points, condenser, and rotor. Using 14mm, 7/16 reach, 13/16 hex spark plug. For Delco distributor thru 1963. Fits tractors 40, 320, 330 For 320, 330, 40, 420, 430, 440 (Item #: 111812, Ref: JTTK1) $19.70

John Deere 420 Voltage Regulator, 6 Volt, Positive Ground
Voltage Regulator, 6 Volt, Positive Ground
- For M, 40, 70, 320, 330, 420, 430, 440, all using 6V generators 1101852, 857, 859. Replaces regulators VR1814, 1118291, 308, 780. This external voltage regulator has a flat base for mounting. There are 4 terminals (lights, battery, field and generator). Designed for A type circuits in positive ground systems with 2 brush generators Measures 7 to 9 output amps. (Item #: 105516, Ref: GDR6003) $29.00

John Deere 420 Wiring Harness
Wiring Harness
- For John Deere tractor models 320, 330, 420, 430, For models 320 and 330 it will have one extra wire on the harness for electric oil pressure gauge that will not be used, For 6 volt generator systems only, Cotton braided - exactly like original, Includes headlight wires and wiring instructions, All terminals soldered and sealed, (Item #: 126800) $299.94



John Deere 420 Alternator Base Bracket Kit - Universal
Alternator Base Bracket Kit - Universal
- Universal Base Bracket Mounting Kit. For converting from a generator to an alternator. Contains: brackets, bolts, washers, nuts and basic instructions. Can be used with our 8NE10305SE alternator. (Item #: 114088, Ref: 2348258) $51.00

John Deere 420 Alternator Conversion Plug
Alternator Conversion Plug
- Used to turn Delco SI Style 2-Wire plug alternators into self-exciting style. (Item #: 178026, Ref: ADR9209) $14.40

John Deere 420 Alternator Top Adjusting Bracket, Universal
Alternator Top Adjusting Bracket, Universal
- Universal Top Adjusting Bracket for Alternator or Generator is 7/8 inches wide, 1-1/2 inch offset, 8-1/4 inch from farthest end of slot to center of mounting hole, 3-3/4 inch slot length, 3/8 inch mounting hole. (Item #: 173326, Ref: 8NL10302) $25.20

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Alternator, 12 Volt
- Universal 63 Amp Delco Alternator. Single wire with built in regulator. Will fit most tractors pre 1980. (Item #: 111377, Ref: 8NE10305SE) $96.00

John Deere 420 Battery Hold Down
Battery Hold Down
- For 8N, 9N, 2N, 2000, 3000, 4000, and others. (Verify battery measurements). Center to center mounting holes 10 1/8 inch. For batteries 8 15/16 inches long and 6 13/16 inches wide. (Item #: 104047, Ref: NCA10718A) $13.70

John Deere 420 Battery Hold Down J-Bolts, Pair
Battery Hold Down J-Bolts, Pair
- This Pair of Battery Hold Down Bolts each measure 10.5 inches long. Price is for a pair. For tractor models 706, 756, 766, 806, 826, 856, 966, 1026, 1066, 1206, 1256, 1456, 1466, 1468, 1566, 1568. Replaces 98185A1. Also Universal for many other Battery Hold Down Brackets. (Item #: 125150, Ref: 393161R1) $9.50

John Deere 420 Battery Joining Cable
Battery Joining Cable
- This cable is 2 gauge measuring 10 inches. (Item #: B204) $18.75

John Deere 420 Battery Joining Cable
Battery Joining Cable
- This cable is 2 gauge measuring 18 inches. (Item #: B207) $21.00

John Deere 420 Battery Joining Cable
Battery Joining Cable
- The cable is 2/0 gauge measuring 18 inches. (Item #: B1937) $36.00

John Deere 420 Battery Joining cable
Battery Joining cable
- The cable is 2/0 gauge measuring 12 inches (Item #: 186350, Ref: B1936) $40.30

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Battery Thermal Wrap
- 60 Watt, 28 inches long wrap to keep your battery warm. (Item #: BTW28) $35.98

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Battery Thermal Wrap
- 160 Watt, 36 inches long wrap to keep your battery warm. (Item #: BTW72) $53.81

John Deere 420 Battery to Starter Cable
Battery to Starter Cable
- This cable is 2/0 gauge measuring 12 inches. (Item #: 183882, Ref: B1931) $33.30

John Deere 420 Battery to Starter Cable
Battery to Starter Cable
- This cable is 2/0 gauge measuring 18 inches. (Item #: B1932) $25.50

John Deere 420 Battery to Starter Cable
Battery to Starter Cable
- This cable is 2/0 gauge measuring 36 inches (Item #: 184665, Ref: B1934) $53.00

John Deere 420 Battery to Starter Cable
Battery to Starter Cable
- This cable is 2/0 gauge measuring 48 inches. (Item #: 117381, Ref: B1935) $34.90

John Deere 420 Cable, Battery to Starter
Cable, Battery to Starter
- This cable is 2 gauge measuring 8 inches. (Item #: 184847, Ref: B188) $15.80

John Deere 420 Cable, Battery to Starter
Cable, Battery to Starter
- This cable is 2 gauge measuring 12 inches. (Item #: 184028, Ref: B189) $14.40

John Deere 420 Cable, Battery to Starter
Cable, Battery to Starter
- This cable is 2 gauge measuring 18 inches. (Item #: 184391, Ref: B190) $19.80

John Deere 420 Cable, Battery to Starter
Cable, Battery to Starter
- This cable is 2 gauge measuring 36 inches. (Item #: 184406, Ref: B192) $24.80

John Deere 420 Cable, Battery to Starter
Cable, Battery to Starter
- This cable is 2 gauge measuring 48 inches. (Item #: 173479, Ref: B227) $26.20

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Coil
- This universal automotive style coil is 28, 000 volts for a 12 volt system, 2.9 ohms. Measures 6 inches long and 2 1/2 inches diameter. (Item #: 182583, Ref: 28010) $49.20

John Deere 420 Coil - Universal 12V
Coil - Universal 12V
- Universal coil fits many models. This Coil comes with an external resistor which can be removed if you need a coil with no resistance. Also comes with a mounting bracket. Coil is designed to be used on a 12 volt tractor system with the resistor or 6 volt system without the resistor. Replaces: 74061737, 74514967. (Item #: 140520, Ref: D5TE12029AB) $19.00

John Deere 420 Coil Bracket
Coil Bracket
- Universal Coil Bracket (Item #: 107072, Ref: R1940) $6.20

John Deere 420 Coil, 12 Volt with Resistance
Coil, 12 Volt with Resistance
- This is a universal 12 volt coil with internal resistance. It can be used with 12 volt conversions if you don't want to put a resistor in line. Replaces 100402A, 70143, Delco 1115043, AA4879R, AA4983R, AT10399, D2AF12029AA, 1115043, 161861A, 189673M1, 189673M92, 353875R91, 395331R91, 395331R92, 396330R91, 396330R92, 396547R91, 396547R92, 396547R93, 396547R93, 74515665, AV101417, D5TE12029AB, 100402A, 1100-0540, 1100-0544, 1115043, 1200-0541, 1400-0565, 1700-0544, 189673V92, 25270, 70143 (Item #: 105299, Ref: 189673M1) $17.00

John Deere 420 Coil, High Performance (Black), 12 Volt, Epoxy Filled
Coil, High Performance (Black), 12 Volt, Epoxy Filled
- Epoxy filled coils are used in tractors where you have the coil mounted horizontally. They provide superior winding support for high vibration environments. Pertronix Flame Thrower Black, high performance coil is for all 12-volt systems. Delivers up to 40, 000 volts. Enables larger plug gap for greater fuel efficiency and more power. Increase plug gap .007 larger than the tractor manufacturer's recommended spark plug gap. Fits existing brackets. Coil has 3.0 Ohms of resistance. (Item #: 192483, Ref: 40611) $61.00

John Deere 420 Coil, High Performance (Black), 12 Volt, Oil Filled
Coil, High Performance (Black), 12 Volt, Oil Filled
- Heavy duty, high performance coil is for all 12-volt systems. Delivers up to 40, 000 volts. Coil is for replacement of Vertically mounted coil. If yours is not Vertically mounted, use an epoxy filled coil. Oil filled for better cooling and voltage insulation. Enables larger plug gap for greater fuel efficiency and more power. Increase plug gap .007 larger than the tractor manufacturer's recommended spark plug gap. Fits existing brackets. Coil has 3.0 Ohms of resistance. (Item #: 105092, Ref: 40511) $40.00

John Deere 420 Coil, High Performance (Black), 6 Volt, Epoxy Filled
Coil, High Performance (Black), 6 Volt, Epoxy Filled
- Epoxy filled coils are used in tractors where you have the coil mounted horizontally. They provide superior winding support for high vibration environments. Pertronix Flame Thrower Black, high performance coil is for all 6-volt systems. Delivers up to 40, 000 volts. Enables larger plug gap for greater fuel efficiency and more power. Increase plug gap .007 larger than the tractor manufacturer's recommended spark plug gap. Fits existing brackets. Coil has 1.5 Ohms of resistance. (Item #: 182566, Ref: 40111) $71.00

John Deere 420 Coil, High Performance (Black), 6 Volt, Oil Filled
Coil, High Performance (Black), 6 Volt, Oil Filled
- Pertronix Flame Thrower high performance coil is for all 6-volt systems. Delivers up to 40, 000 volts. Coil is for replacement of Vertically mounted coil. If yours is not Vertically mounted, use an epoxy filled coil. Oil filled for better cooling and voltage insulation. Enables larger plug gap for greater fuel efficiency and more power. Increase plug gap .007 larger than the tractor manufacturer's recommended spark plug gap. Coil has 1.5 Ohms of resistance. (Item #: 125199, Ref: 40011) $29.00

John Deere 420 Coil, High Performance (Chrome), 12 Volt, Epoxy Filled
Coil, High Performance (Chrome), 12 Volt, Epoxy Filled
- Epoxy filled coils are used in tractors where you have the coil mounted horizontally. They provide superior winding support for high vibration environments. Pertronix Flame Thrower Chrome, high performance coil is for all 12-volt systems. Delivers up to 40, 000 volts. Enables larger plug gap for greater fuel efficiency and more power. Increase plug gap .007 larger than the tractor manufacturer's recommended spark plug gap. Fits existing brackets. (Item #: 182567, Ref: 40601) $78.00

John Deere 420 Coil, High Performance (Chrome), 12 Volt, Oil Filled
Coil, High Performance (Chrome), 12 Volt, Oil Filled
- 12-VOLT, Pertronix Flame Thrower Chrome, high performance coil is for all 12-volt systems. Delivers up to 40, 000 volts. Coil is for replacement of Vertically mounted coil. If yours is not Vertically mounted, use an epoxy filled coil. Oil filled for better cooling and voltage insulation. Enables larger plug gap for greater fuel efficiency and more power. Increase plug gap .007 larger than the tractor manufacturer's recommended spark plug gap. Fits existing brackets. Coil has 3.0 Ohms of resistance. (Item #: 182550, Ref: 40501) $71.00

John Deere 420 Coil, High Performance (Chrome), 6 Volt, Oil Filled
Coil, High Performance (Chrome), 6 Volt, Oil Filled
- 6-VOLT, Pertronix Flame Thrower Chrome, high performance coil is for all 6-volt systems. Delivers up to 40, 000 volts. Coil is for replacement of Vertically mounted coil. If yours is not Vertically mounted, use an epoxy filled coil. Oil filled for better cooling and voltage insulation. Enables larger plug gap for greater fuel efficiency and more power. Increase plug gap .007 larger than the tractor manufacturer's recommended spark plug gap. Fits existing brackets. Coil has 1.5 Ohms resistance. (Item #: 182585, Ref: 40001) $59.00

John Deere 420 Coil, Ultra High Performance (Black), Epoxy Filled
Coil, Ultra High Performance (Black), Epoxy Filled
- Epoxy filled coils are used in tractors where you have the coil mounted horizontally. They provide superior winding support for high vibration environments. Pertronix Flame Thrower II Black, ultra high performance coil is for 12-volt systems. Enables larger plug gap for greater fuel efficiency and more power. Fits existing brackets. 0.600 ohms resistance. This coil is used with Ignitor II electronic ignitions, not Ignitor I. Unless otherwise specified on our web page, electronic ignitions are Ignitor I. (Item #: 183385, Ref: 45111) $85.00

John Deere 420 Coil, Ultra High Performance (Black), Oil Filled
Coil, Ultra High Performance (Black), Oil Filled
- Pertronix Flame Thrower II Black, ultra high performance coil is for 12-volt systems using Ignitor II electronic conversion kits or any 6 volt system. Delivers up to 45, 000 volts. Oil filled for better cooling and voltage insulation. Enables larger plug gap for greater fuel efficiency and more power. Fits existing brackets. Low 0.6 Ohm primary resistance. 0.600 ohms resistance. This coil is used with Ignitor II electronic ignitions, not Ignitor I. Unless otherwise specified on our web page, electronic ignitions are Ignitor I. (Item #: 108304, Ref: 45011) $24.40

John Deere 420 Coil, Ultra High Performance (Chrome), Oil Filled
Coil, Ultra High Performance (Chrome), Oil Filled
- Flame-Thrower II coils feature a very low resistance which make them the ideal coil for Ignitor II ignition systems as well as many other high performance ignitions. Low resistance and improved turns ratio help to produce up to 45, 000 volts. This higher voltage enables you to run larger spark plug gaps for added power and better fuel economy. These coils are also compatible with most capacitive discharge boxes including our own Second Strike. 0.600 ohms Primary Resistance, 9.00K ohms Secondary Resistance. This coil is used with Ignitor II electronic ignitions, not Ignitor I. Unless otherwise specified on our web page, electronic ignitions are Ignitor I. (Item #: 182456, Ref: 45001) $66.00

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Distributor Terminal Insulator Assembly, Delco
- Delco Distributor Terminal Insulator Assembly is for Square Shoulder (outside terminal). Note: As distributors can be changed over time, it is best to double check which style you require. This is only a guide of what was original. Fits distributor housings with 0.300 Inch diameter round hole with a keyway. If not sure, measure before ordering. (Item #: 111468, Ref: 1904376) $14.80

John Deere 420 Magneto Cap, 2 Cylinder
Magneto Cap, 2 Cylinder
- For tractor models using WICO XH magneto ONLY. (Item #: 105667, Ref: 1006501) $53.00

John Deere 420 Magneto, Wico XH and XHD, Service and Parts Manual
Magneto, Wico XH and XHD, Service and Parts Manual
- Wico XH And XHD magneto service instructions and parts list. This is a reprint of the original manual that has exploded views of all parts on the tractor with numbered pictures giving great detail on assembly and disassembly. It also gives you a guide with numbers for ordering parts. (Item #: 182504, Ref: MAG6) $19.20

John Deere 420 Pulley
Pulley
- This single groove pulley is 0.920 inches wide, 3.200 inch outside diameter, 0.670 inch center, for 13mm (0.50 inch) Belt. This is as a universal part, please verify measurements before ordering. (Item #: 172973, Ref: R52159) $16.30

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Spark Plug
- Extended tip, 14mm thread, 3/4-inch reach. Replace Autolite AL65. OEM 834236M1 and 157803A. NOTE: Verify spark plug type before ordering. (Item #: 172892, Ref: AL65) $4.50

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Spark Plug
- Extended tip, 14mm thread, 3/8 inch reach. Replaces Champion J10Y, J11Y, J12Y, J13Y. NOTE: Verify spark plug type before ordering. (Item #: 179437, Ref: AL85) $5.60

John Deere 420 Spark Plug
Spark Plug
- Standard tip, 7/8 inch-18 thread, 5/8 inch reach. Replaces Champion W10, W14, W18. NOTE: Verify spark plug type before ordering. (Item #: 130074, Ref: AL3076) $10.80

John Deere 420 Spark Plug
Spark Plug
- Standard tip, 14mm thread, .472" reach. Replaces Champion L9J, L10, L86, L86C, L88A, L90. NOTE: Verify spark plug type before ordering. (Item #: 182459, Ref: AL425) $4.80

John Deere 420 Spark Plug Wire Set, 4 Cylinder, Univeral
Spark Plug Wire Set, 4 Cylinder, Univeral
- Universal Spark Plug Wire Set, 4 Cylinder, straight boot, cut to length. Copper core. (Item #: 107985, Ref: S2097) $20.00

John Deere 420 Spark Plug Wire Set, 4 Cylinder, Universal
Spark Plug Wire Set, 4 Cylinder, Universal
- For use with high performance electronic ignition conversion kits. Kit has 90 degree sparkplug boots and straight distributor boots. Made with carbon impregnated core to suppress radio static and designed to handle the high voltage of electronic ignition systems. (Item #: 108070, Ref: CPN12259EI) $18.00

John Deere 420 Spark Plug Wire Set, Universal - 6 Cyl.
Spark Plug Wire Set, Universal - 6 Cyl.
- Universal Spark Plug Wire Set, 6 Cylinder, 90 degree boot, cut to length, brass terminals, 500 ohms per foot stainless steel wire wound (“Mag Wire”) conductor. The lower resistance of 500 ohms per foot provides more potential energy to fire the spark plug under adverse conditions while preventing harmful RFI and EMI emissions. Also, the wire wound conductor never changes resistance. Longest Reach is 33 inches. This wire set is compatible with Electronic Ignition. (Item #: 178803, Ref: S66465) $24.90

John Deere 420 Spark Plug Wire Set, Universal 6 Cylinder
Spark Plug Wire Set, Universal 6 Cylinder
- Universal Spark Plug Wire Set, 6 Cylinder, 90 degree boot, cut to length, brass terminals, copper strand core. Longest Reach is 33 inches. (Item #: 103156, Ref: SWS260) $19.30

John Deere 420 Spark Plug Wire Set, Universal, 4 Cyl.
Spark Plug Wire Set, Universal, 4 Cyl.
- Universal Spark Plug Wire Set, 4 Price: 13.59 Cylinder, 90 degree boot, cut to length. Longest Reach is 33 inches. Solid brass distributor coils, Zinc-coated plug terminals, tin-coated copper core, boots constructed from EPDM rubber and dual-jacket insulation. Meets SAE J2031 Specifications. (Item #: 103155, Ref: CPN12259) $16.80

John Deere 420 Starter, Generator, Distributor Tag, 6 Volt, Blank
Starter, Generator, Distributor Tag, 6 Volt, Blank
- Comes with 2 rivets. 2.5" long, .800" wide, 2" center to center rivet hole, .150" dia. rivet holes. Customer must stamp numbers. (Item #: 182608, Ref: DELCO6) $16.80

John Deere 420 Switch to Starter Cable
Switch to Starter Cable
- This cable is 2 gauge measuring 18 inches. (Item #: 184822, Ref: B194) $16.60

John Deere 420 Switch to Starter Cable
Switch to Starter Cable
- This cable is 2 gauge measuring 24 inches. (Item #: 185368, Ref: B195) $14.87

John Deere 420 Switch to Starter Cable
Switch to Starter Cable
- This cable is 2 gauge measuring 36 inches. (Item #: B196) $21.00

John Deere 420 Switch to Starter Cable
Switch to Starter Cable
- This cable is 2/0 gauge measuring 18 inches. (Item #: 185109, Ref: B1938) $38.50

John Deere 420 Switch to Starter Cable
Switch to Starter Cable
- This cable is 2/0 gauge measuring 24 inches. (Item #: 134614, Ref: B1939) $43.70

John Deere 420 Switch to Starter Cable
Switch to Starter Cable
- This cable is 2/0 gauge measuring 36 inches. (Item #: 184663, Ref: B1940) $56.00

John Deere 420 Switch, Push Button
Switch, Push Button
- This 2 Terminal Switch has many applications. It is a heavy duty momentary switch, push for on and release for off. It is rated for up to 35 volts. Uses two screw terminals. The mounting stem is 5/8 inch number 32 thread. It is 21/32 inch over all length. Check measurements before ordering if using as a universal part. Applications include Ether Switch, Horn Button, Cold Start, Starter Switch and Manifold Heater Switch. It replaces 22702, 240962, 242988, 245866, 245936, 70253322, 71191589, 72160068, VT507, 86900358, A30858, O9995AB, T18524, TG07803, TO18117, TO7803, 271179R91, 367678R91, 373611R91, 393209R91, AR46184, AR47373, AR47374, R39554, 189158M91, 767828M91, 105386A, 10A972, 1K7392C, UT2421, 1K7392A, 7A7392. (Item #: 121141, Ref: R7994) $13.40

John Deere 420 Tag for Starter\Generator, 12 Volt, Blank
Tag for Starter/Generator, 12 Volt, Blank
- Comes with 2 rivets. 2.5" long, .800" wide, 2" center to center rivet hole, .150" dia. rivet holes. Customer must stamp numbers. (Item #: 182606, Ref: DELCO12) $16.80

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Category: Electrical System

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