Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank replacement kit.
10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
3672037
Mfg#:
5Q0121321KT
Ships on Nov 25, 2026
ON SALE!
SAVE 10%
$80.99
This product was last offered at the strikethrough price on 03-23-2026
Exceeds the performance of factory RS3 coils and provides much higher spark output
2X Entries For Our 25th Anniversary Sweepstakes! Your factory ignition coil rubber boot must be swapped over to the VTT ignition coil. Vehicles equipped with "04C" coils must also purchase "04E" coils to obtain compatible boots.
Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.
