One (1) Required Per Fuel Injector.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4438852
Mfg#:
2540720500
ON SALE!
SAVE 16%
$33.99
This product was last offered at the strikethrough price on 01-06-2026
$28.49 USD
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Lifetime Replacement
Air Intake Sensor
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
3610855
Mfg#:
0009055906
6% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$65.00
This product was last offered at the strikethrough price on 01-06-2026
$60.99 USD
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on orders $49 and up
Lifetime Replacement
Increase of +58 Horsepower, and +105 Torque! Eliminate top speed limiter, Increased throttle response. W.2 Tunes are designed for vehicles with performance exhausts & high-flow air filters!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms This software is only compatible with Windows PC / Laptop.
Brand:
ES#:
4708007
Mfg#:
05-256-00118-8KT
$2499.00 USD
Add to Cart
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on orders $49 and up
Partial Replacement
Increase of +43 Horsepower, and +90 Torque! Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms This software is only compatible with Windows PC / Laptop.
Brand:
ES#:
4708006
Mfg#:
05-256-00117-7KT
$2299.00 USD
Add to Cart
Free Shipping
on orders $49 and up
Partial Replacement
Monitors the oil level in your engine
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
3616162
Mfg#:
0919057101
7% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$104.00
This product was last offered at the strikethrough price on 01-06-2026
$96.99 USD
Add to Cart
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on orders $49 and up
Lifetime Replacement
Keep your engine cool
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
3692095
Mfg#:
0005003500
7% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$302.00
This product was last offered at the strikethrough price on 01-06-2026
$280.99 USD
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on orders $49 and up
Lifetime Replacement
Filters the air before it enters your engine
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
3474731
Mfg#:
6540940004
7% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$97.00
This product was last offered at the strikethrough price on 03-10-2026
$89.99 USD
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on orders $49 and up
Lifetime Replacement
Two (2) to Six (6) Required Per Vehicle based on engine
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4813373
Mfg#:
2761560790
$67.99 USD
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Lifetime Replacement
Unleash up to 1050 horsepower from your M256 AMG 53 with a direct fit full frame turbocharger upgrade.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
5446851
Mfg#:
SP-AMG-M256-FFTK
Starting at
$5999.00 USD
Free Shipping
Lifetime Replacement
Keep your engine cool
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
5424697
Mfg#:
0005003500
$183.99
This product was last offered at the strikethrough price on 05-07-2026
$178.99 USD
Add to Cart
Free Shipping
on orders $49 and up
Lifetime Replacement
Keep your engine cool
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
5424706
Mfg#:
0005003500
$104.99 USD
Add to Cart
Free Shipping
on orders $49 and up
Lifetime Replacement
Six (6) Required Per Engine
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
3566495
Mfg#:
2561410180
$4.99 USD
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Lifetime Replacement
For GLE 450 & GLS 450 With M256 V6 Engine
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
3637289
Mfg#:
2560101703
7% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$390.00
This product was last offered at the strikethrough price on 01-06-2026
$362.99 USD
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on orders $49 and up
Lifetime Replacement
Stop oil leaking from your oil level sensor with a new seal
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
2769576
Mfg#:
0019977241
$4.99 USD
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on orders $49 and up
Low Temperature
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4494890
Mfg#:
0005000801
7% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$270.00
This product was last offered at the strikethrough price on 01-06-2026
$250.99 USD
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Lifetime Replacement
Price includes a refundable $361.40 core charge
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4733627
Mfg#:
256090130080KT
$4866.43
This product was last offered at the strikethrough price on 01-06-2026
$4345.09 USD
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Lifetime 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.