TIME-SERT 42121 Washer Seat Spark Plug Insert M12x1.25 9mm Long

TIME-SERT 42121 Washer Seat Spark Plug Insert 9mm Long M12x1.25. Use with installation kit part number 4212 or 4212E. 

Notice our bulk discount prices on TIME-SERT replacement inserts for thread repair kits. Need more information on TIME-SERT thread repair kits? Visit our auto repair blog section on thread repair kits for tips, advice and all your thread repair questions answered. Just comment and we will be quick to respond.

See the  TIME-SERT products pdf for more information on thread repair kits and inserts. Some are listed for certain applications on cars, trucks and motorcycles. The pdf is a partial application list so feel free to email or call if we can assist with your particular need. We also accept inquiries regarding our daily TIME-SERT specials. Remember TIME-SERT is recommended by leading car manufacturers like the General Motors Corporation. In fact TIME-SERT is GM's only authorized repair for head bolt threads.