Larger diameter crank pulley & smaller supercharger pulley increases the speed at which the supercharger spins, increasing the boost pressure output
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms *NOTE: This kit must be used with appropriate "Stage 2" performance software.
Brand:
ES#:
4017693
Mfg#:
CTS-HW-433
$529.99 USD
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Lifetime Replacement
Connects the lower radiator hose t-fitting to the water pump
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
450261
Mfg#:
8K0121051C
8% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$115.00
This product was last offered at the strikethrough price on 06-19-2026
$105.99 USD
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Lifetime Replacement
With yellow paint marking
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
2609393
Mfg#:
06E105701RGLB
9% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$68.99
This product was last offered at the strikethrough price on 06-19-2026
$62.99 USD
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on orders $49 and up
Lifetime Replacement
Keep your engine fresh and leak free
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#:
4027463
Mfg#:
06L103085B
$15.99
This product was last offered at the strikethrough price on 06-11-2026
$10.99 USD
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on orders $49 and up
Lifetime Replacement
Install new hardware with your new parts. 6x20
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Secures the core support upper guard to the vehicle
Brand:
ES#:
10075
Mfg#:
4D0807300
$2.88 USD
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on orders $49 and up
Lifetime Replacement
Allows for clean installation of an external oil cooler
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
3470653
Mfg#:
462-635-0012
$175.00 USD
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on orders $49 and up
Lifetime Replacement
Keeps your belt tight.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
1922249
Mfg#:
079903133AM
7% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$562.99
This product was last offered at the strikethrough price on 06-19-2026
$524.99 USD
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Lifetime Replacement
With Yellow markings
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
2210971
Mfg#:
06H105591JGLB
20% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$81.65
This product was last offered at the strikethrough price on 05-26-2026
$65.32 USD
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on orders $49 and up
Lifetime Replacement
Reduce excessive engine vibrations
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with electronic engine mounts
Brand:
ES#:
2577383
Mfg#:
8R0199381Q
8% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$569.99
This product was last offered at the strikethrough price on 06-19-2026
$521.99 USD
Add to Cart
Free Shipping
Lifetime Replacement
Eliminate excessive engine vibrations
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
2541745
Mfg#:
8R0199381C
8% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$569.99
This product was last offered at the strikethrough price on 06-19-2026
$521.99 USD
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Lifetime Replacement
Eliminate excessive engine vibrations
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms From the 2013 model year
Brand:
ES#:
2541747
Mfg#:
8R0199381G
8% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$569.99
This product was last offered at the strikethrough price on 06-19-2026
$521.99 USD
Add to Cart
Free Shipping
Lifetime Replacement
Eliminate excessive engine vibrations
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
2993213
Mfg#:
8R0199381AG
8% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$570.00
This product was last offered at the strikethrough price on 06-19-2026
$521.99 USD
Add to Cart
Free Shipping
Lifetime Replacement
Eliminate excessive engine vibrations
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
2993214
Mfg#:
8R0199381AH
8% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$570.00
This product was last offered at the strikethrough price on 06-19-2026
$521.99 USD
Add to Cart
Free Shipping
Lifetime Replacement
Eliminate excessive engine vibrations
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms From the 2013 model year
Brand:
ES#:
2541742
Mfg#:
8R0199381AL
8% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$570.00
This product was last offered at the strikethrough price on 06-19-2026
$521.99 USD
Add to Cart
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Lifetime Replacement
Set of rings to seal one piston, four required per vehicle
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
278007
Mfg#:
059198151K
7% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$93.99
This product was last offered at the strikethrough price on 02-26-2026
$86.99 USD
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on orders $49 and up
Lifetime Replacement
Everything you need for your next engine oil service
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4608716
Mfg#:
G0521951QDSP1KT
ON SALE!
$104.27 USD
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Partial Replacement
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.