Keep your charging system operating at full potential
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For models with Bosch alternators and production date up to 2/24/2020
Brand:
ES#:
4057807
Mfg#:
06K903023K
Ships in 1 day
6% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$615.99
This product was last offered at the strikethrough price on 02-26-2026
100% Synthetic engine oil specially designed around the demands of direct fuel injection engines.
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Brand:
ES#:
261461
Mfg#:
841611
In Stock
10% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$19.53
This product was last offered at the strikethrough price on 06-21-2026
Upgrade your ignition setup with a smarter ground solution that protects your wiring, improves signal stability, and disappears seamlessly into your factory harness!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! For vehicles with ignition coil connector part number starting in "8K0" or "4D0". See notes in description
Includes necessary parts to replace the thermostat. Includes upgraded Hamburg Technic water pump/thermostat.
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Brand:
ES#:
5386432
Mfg#:
06L121111HPKT2
In Stock
ON SALE!
$312.99
This product was last offered at the strikethrough price on 05-02-2026
Common source of leaks on the cylinder head
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Mounts in cylinder head for coolant hose connection. Upgrade from the factory brittle plastic!
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Similar design in spirit to the higher end full covers that cover both the engine and manifold as found on the Audi S3 and TTS models
Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4685481
Mfg#:
MS100254
Ships in 5 Business Days
11% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$633.99
This product was last offered at the strikethrough price on 06-21-2026
Delivers greater energy output, ensuring a stronger and more consistent spark. A simple plug-and-play upgrade over the OE factory coils.
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Exceeds the performance of factory RS3 coils and provides much higher spark output
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Cleans the air to protect your engine from damage
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! We Price Match - Give Us A Call or Chat! Hengst is our preferred OEM filtration supplier!
Ensure proper amount of oil is allowed for camshaft timing
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Includes crush washer. M14x1.5
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Requires everything to service spark plugs or coil packs.
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Brand:
ES#:
4370100
Mfg#:
019535SCH01AKT
In Stock
ON SALE!
SAVE 23%
$110.99
This product was last offered at the strikethrough price on 05-02-2026
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
