FREE SHIPPING on orders above $249.99! Details

• Tractor Parts

• Engine Kits

• Carburetors

• Salvage

• Manuals

• DVDs

• Hats

• Contact Us

• Shipping Rates

• Return Policy

• Ordering Help

• Company Info

• Parts Warranty

• Forums

International Harvester / Farmall 666 Parts

Category: Engine Gaskets

[Categories] [All 666 Parts] [All Farmall Models]

Front Crank Seal - This front crankshaft oil seal has a 3 inch Inside Diameter, a 4 inch Outside Diameter and is .5 inch wide. It Fits: 1440, 1460, 1470, 1480, 1640, 1660, 1680, 453, 815, 915, 1822 (diesels up to SN: JJC0012690), 1844 (diesels up to SN: JJ0002462), 515, H60E, H65C, S10, S8A, S9B, Hydro 100, Hydro 186, Hydro 70, Hydro 86, 1066, 1086, 1466, 1486, 1566, 1586, 3388, 3488, 3588, 3688, 3788, 4166, 4186, 4366, 4386, 5088, 5288, 5488, 6388, 6588, 666, 6788, 686, 7288, 7488, 766, 966, 986, 886, E200, E412, E412B. Replaces: 690437C91 (Item #: 106647, Ref: 690437C91) $20.30

Front Crankshaft Seal - This front crankshaft seal has a 2.375 inch Inside Diameter, a 3.355 inch Outside Diameter and is 0.475 inch wide. It Fits: 2400, 2405B, 2410B, 2412B, 2500A, 2500B, 2505B, 2510B, 2514B, 3400A, 3500A, 4500B, 454, 544, 574, 666, 674, 686, 756, 766, 806, 826, 856 (Gas and LP), 340, 504 (Diesel), 350 (W/ GD193 Diesel), 3514 (Diesel, with D188 engine), 3616, 460, 560, 606, 656, 660 (Gas, LP and Diesel, when used as a front crankshaft seal), 706 (Gas, LP and Diesel, when used as a front crankshaft seal, except German Diesel), Hydro 70, Hydro 86 (Gas and LP). Replaces: 117568H1, 119020H1, 129370H1, 273573R91, 317549R91, 357672R91, 391976R91, 606750C91 (Item #: 106642, Ref: 834831M1) $12.00

Full Gasket Set - For International / Farmall tractor models Hydro 70, Hydro 86, 460, 560, 606, 656, 660, 666, 686, 706, 756, 766, 806, 826, 856, 2606, 2656, 2706, 2756, 2806, 2826, 2856, Compatible with International Engine (s) C221 (6 cylinder), C263 (6 cylinder), C291 (6 cylinder), C301 (6 cylinder), Includes crankshaft seals, (Item #: 186637) $154.00

Gasket set, full - For gas C221, C263, C291 and C301 6 cylinder engines. Complete gasket set with crankshaft seals (where required). 1 used per engine. (Item #: GK7799S) $155.94

Head Gasket Set - For C291 or C301 CID gas 6 cylinder engines in tractors: 666, 686, 706, 756, 766, 2706, 2756, Hydro 70 and 86. For 2606, 2656, 2706, 2756, 2806, 2826, 2856, 460, 560, 606, 656, 660, 666, 686, 706, 756, 766, 806, 826, 856, HYDRO 70, HYDRO 86. (upper gasket set with head gasket). (Item #: 106689, Ref: VGK7799S) $99.00

No
Picture
Head Gasket Set - For 666, 686 with D312 Diesel Engine (Item #: 106692, Ref: HS3873) $154.00

Oil Pan Gasket - Oil Pan Gasket. For C291 CID gas 6 cylinder engine in tractors 666, 686, 706, 756, 766, 2706, 2756, Hydro 70 and 86. For 2606, 2656, 2706, 2756, 2806, 2826, 2856, 460, 560, 606, 656, 660, 666, 686, 706, 756, 766, 806, 826, 856, HYDRO 70, HYDRO 86. (Item #: 106706, Ref: 369984R1) $10.30

Oil Pan Gasket - For International / Farmall tractor models Hydro 70, Hydro 86, 666, 686, 766, 826, 886, Compatible with International Engine (s) D312, D360, Replaces International OEM number 671825C2, Oil Pan Gasket Only, (Item #: 106708) $22.50

No
Picture
Overhaul Gasket Set with Crankshaft Seals - For International / Farmall tractor models Hydro 70, Hydro 86, 666, 686, 766, 886, Compatible with International Engine (s) D312, D360, D360 (Turbocharged), Set includes: head gasket set, conversion gasket set, oil pan gasket, and crankshaft seals with sleeves, (Item #: 191077) $401.00

Push Rod Cover Gasket - For International / Farmall tractor models Hydro 70, Hydro 86, 460, 560, 606, 656, 660, 666, 686, 706, 756, 766, 806, 826, 856, 2606, 2656, 2706, 2756, 2806, 2826, 2856, 3616, Compatible with International Construction and industrial models 3600A, 3800, 3850, Compatible with International Engine (s) C221, C263, C291, C301, D236, D282, Replaces International OEM number 369982R1, Additional Handling and Oversize Fees Apply To This Item, (Item #: 128736) $15.10

Rear Crankshaft Seal Kit - Fits: (Hydro 70, Hydro 86, 2544, 2756, 2806, 2826, 2856, 454, 464, 544, 574, 666, 674, 686, 756, 806, 826, 856 all gas, LP), (2504, 340, 504 all diesel (no German diesels), (2606, 2656, 2706, 460, 560, 606, 656, 660, 706 all gas, LP, diesel (no German diesels), Constructall, Industrial: 2500 (diesel (no German diesels), (Industrial: 100C, 2400, 2400A, 2400B, 2405B, 2410B, 2412B, 2500A, 2500B, 2505B, 2510B, 2514B, 3400A, 3500A, 3600A, 4500A, 4500B, 8000, T6-62 all gas, LP), (150, H25B, H50A, H50B, H50C, TD6-62, TD9B all diesel (no German diesels), (3514, 3616, 3800, 3850, H30B all gas, LP, diesel (no German diesels). Fits following engines/power units: C-157, C-175, C-200, C-221, C-263, C-282, C-291, C-301, D-188, D-236, D-282, D-301. 4.568 inch outside diameter, 4.000 inch inside diameter, 0.375 inch wide, set includes: 1 piece lip seal, rear seal housing gasket, and 2 plugs. Replaces: 308406R1, 368568R1, 374006R91, 393180R91, 403066R91, 538983R1. (Item #: 106656, Ref: IHS2411) $21.30

No
Picture
Rear Crankshaft Seal and Sleeve - For International / Farmall tractor models Hydro 70, Hydro 86, Hydro 100, Hydro 186, 666, 686, 766, 806, 856, 886, 966, 986, 1026, 1066, 1086, 1206, 1256, 1456, 1466, 1486, 1566, 1586, 2856, 3388, 3488, 3588, 3688, 3788, 4100, 4156, 4166, 4186, 4366, 4386, 5088, 5288, 5488, 6388, 6588, 6788, 7288, 7388, 7488, 21026, 21206, 21256, 21456, Compatible with International Combine (s) 815 (s/n 8000-earlier), 915 (s/n 2349-earlier), 1440, 1460, 1480 (s/n 24000-earlier), Compatible with International Construction and industrial models TD15B, 175, Neoprene style, (Item #: 176971) $141.00

No
Picture
Rear Main Seal - For 666, 686 with D312 Diesel Engine (Item #: 106660, Ref: SS47866) $31.20

Valve Cover Gasket - For International / Farmall tractor models Hydro 70, Hydro 86, 460, 560, 606, 656, 660, 666, 686, 706, 756, 766, 806, 826, 856, 2606, 2656, 2706, 2756, 2806, 2826, 2856, 3616, Compatible with International Construction and industrial models 3600A, 3800, 3850, Compatible with International Engine (s) C221, C263, C291, C301 (Gas), Replaces International OEM number 369983R2, Additional Handling and Oversize Fees Apply To This Item, (Item #: 128683) $9.80

Valve Cover Gasket - For International / Farmall tractor models Hydro 70, Hydro 86, 666, 686, 766, 826, 886, Compatible with International Engine (s) D312, Replaces International OEM number 675389C1, (Item #: 158262) $16.40

Universal Parts and Accessories
Category: Engine Gaskets

Gasket Material, Cork Rubber - 1/16 inch thick x 12 inches wide x 24 inches long. For making general purpose gaskets. (Item #: 184511, Ref: GSKCR116) $16.50

Gasket Material, Exhaust Manifold - 1/16 inch thick x 12 inches wide x 28-1/2 inches long. Perforated steel core to make manifold gaskets. (Item #: 184499, Ref: GSKEM1228) $21.10

Gasket Paper, .0275 - .0275 inch thick x 18 inches wide x 98 inches long. This gasket paper is for general purpose gasket making and NOT for high temperature applications. (Item #: 185040, Ref: GSKP1898) $53.00

Silicone Black RTV - Permatex black RTV silicone adhesive sealant. Provides a waterproof seal around metal, glass, rubber. Designed for indoor or outdoor use, 3 oz. tube. (Item #: 183827, Ref: PRM16BR) $6.60

Silicone Blue RTV - Permatex ultra blue, no leak RTV silicone gasket, oil resistant, use on valve covers, oil pans, timing covers, water pumps. Temperature range -75 degree F to +500 degree F, 3.35 ounce tube. (Item #: 178141, Ref: PRM77BR) $10.90

Silicone Copper RTV - Permatex ultra copper, hi-temp RTV silicone gasket. Three times more oil resistant than conventional silicone. Use on exhaust manifolds, valve covers, oil pans, water pumps. Temperature range -75° F to +700° F, 3 oz. tube. (Item #: 178143, Ref: PRM101BR) $10.40

Call 800-853-2651 to Order
Or Click the "Add to Cart" Button

Category: Engine Gaskets

[Categories] [All 666 Parts] [All Farmall Models]

Order Toll Free
(800) 853-2651
Mon-Fri 7am-7pm CT

Order online
anytime!

YESTERDAY's TRACTORS has been a leading tractor parts supplier on the internet since 1995. Join thousands of happy customers who have purchased parts and more for their antique tractor from us!

TRADEMARK DISCLAIMER: Tradenames and Trademarks referred to within Yesterday's Tractor Co. products and within the Yesterday's Tractor Co. websites are the property of their respective trademark holders. None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them. John Deere and its logos are the registered trademarks of the John Deere Corporation. Agco, Agco Allis, White, Massey Ferguson and their logos are the registered trademarks of AGCO Corporation. Case, Case-IH, Farmall, International Harvester, New Holland and their logos are registered trademarks of CNH Global N.V.

Website Accessibility Policy

Privacy Policy