Marked with 428 usually located in the engine bay
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
252831
Mfg#:
1J0906381B
7% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$54.99
This product was last offered at the strikethrough price on 02-26-2026
$51.28 USD
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Lifetime Replacement
More power and aggressive intake sound
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Brand:
ES#:
2972440
Mfg#:
69-9506TTK
ON SALE!
SAVE 12%
$434.99
This product was last offered at the strikethrough price on 05-15-2026
$384.47 USD
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Clean up your engine bay or replace your cracked unit with a new coolant expansion tank replacement kit.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
2575924
Mfg#:
1J01000-1
ON SALE!
SAVE 12%
$29.99
This product was last offered at the strikethrough price on 05-02-2026
$26.51 USD
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Lifetime Replacement
Keep your engine fresh and leak free
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
2143499
Mfg#:
06L103085B
24% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$32.78
This product was last offered at the strikethrough price on 06-17-2026
$24.78 USD
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Lifetime Replacement
Includes gasket and hardware
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Brand:
ES#:
3476631
Mfg#:
06K121011C
$95.99 USD
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Lifetime Replacement
Found between the turbo outlet pipe and intercooler hose. 57.85mm
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Brand:
ES#:
3435238
Mfg#:
3C0145117F
$11.99 USD
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Lifetime Replacement
Offers max gains of 16 hp and 9 ft-lbs of torque at the wheels!
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Brand:
ES#:
4883206
Mfg#:
2660-15240
$765.00 USD
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Lifetime Replacement
Looking to bring it down a notch?
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Brand:
ES#:
4043988
Mfg#:
3815-11034
$765.00 USD
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Lifetime Replacement
Stainless steel downpipe to unlock engine potential
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Brand:
ES#:
3177553
Mfg#:
251236KT
$765.00 USD
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Lifetime Replacement
T-304 stainless steel downpipe with high-flow catalytic converter
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Brand:
ES#:
3177550
Mfg#:
251235LKT
$765.00 USD
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Lifetime Replacement
Replacement intercooler for your TDI
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Brand:
ES#:
315555
Mfg#:
1K0145803AE
7% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$820.99
This product was last offered at the strikethrough price on 02-26-2026
$765.00 USD
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Choose the stage that meets your power goals!
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Brand:
ES#:
4381803
Mfg#:
20TDIMQB-UC
Starting at
$764.99 USD
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Lifetime Replacement
Price includes $125 refundable core charge
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Brand:
ES#:
3559434
Mfg#:
03L903023LXKT
$842.99
This product was last offered at the strikethrough price on 02-26-2026
$763.99 USD
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Lifetime Replacement
The perfect solution for a high horsepower set ups
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Brand:
ES#:
5448029
Mfg#:
53032801AC
$200.99
This product was last offered at the strikethrough price on 05-07-2026
$190.99 USD
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Lifetime Replacement
Seals the valve stem in the cylinder head. 6mm
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Brand:
ES#:
2626345
Mfg#:
036109675A
$3.05 USD
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Lifetime Replacement
Cover for lower section of timing chain - Includes front crank seal
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with CNSA or CNSB engine code only
Brand:
ES#:
2737581
Mfg#:
06K109210AF
7% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$408.99
This product was last offered at the strikethrough price on 06-17-2026
$380.99 USD
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More About Engine Parts & Accessories
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.