Briggs Stratton Spark Plug Size

oldiron63

New User
Briggs & Stratton
Model 14

It has a Autolite A7 now
The Top of plug screws off for the spark plug wire to go on with the top piece screwed back on to hold wire connector.
What plugs are inter changeable I can"t find a autolite A7. I don"t know if it is the right size either.
Thank You for any help
oldiron63
 
If that's a 18MM threaded plug, Champion D14.

If a 14MM threaded plug, Champion CJ8, RCJ8, J19LM, and RJ19LM should interchange... you'd have to check on which ones have the removable nut.
 
If you can't find any plugs with screw off caps,check napa or autozone they usually carry replacement snap on terminals for plug & straight/right angle plug boots,I had to replace ring terminal on my mod 19 yrs ago & got terminal/boot at local auto parts store.
 
Per the B&S Repairman's Handbook a Champion J8C is the alternate plug and is readily available most anywhere.
GB in MN
 

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