Monitors coolant temperature for fan control & gauge readings
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Help your engine breathe and regain gas mileage
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Protects your diesel engine and restores engine performance. For use when ambient temperatures are above 40°F.
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Used in various locations
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with CJAA engine code only. Attaches to EGR regulating flap.
Brand:
ES#:
403797
Mfg#:
6N0973805
In Stock
ON SALE!
$12.99
This product was last offered at the strikethrough price on 06-15-2026
Seals the expansion tank cap to the reservoir. 28.5x3.8
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Stabilizes the radiator/intercooler within the engine bay
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Brand:
ES#:
4045306
Mfg#:
1K0121367F
In Stock
ON SALE!
$3.99
This product was last offered at the strikethrough price on 06-25-2026
Includes crush washer. M14x1.5
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! We Price Match - Give Us A Call or Chat!
Brand:
ES#:
4027477
Mfg#:
N90813201
Back Ordered
ON SALE!
SAVE 30%
$3.99
This product was last offered at the strikethrough price on 05-07-2026
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.
Lifetime Replacement
