M157 / M278 Head Bolt - One Time Use. A full set to secure your cylinder head.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
5388725
Mfg#:
278016016964KT
$290.99
This product was last offered at the strikethrough price on 01-06-2026
$268.00 USD
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on orders $49 and up
Lifetime Replacement
Ensure a proper seal for the PCV or oil separator
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
2549191
Mfg#:
2780180280
$3.99 USD
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on orders $49 and up
Lifetime Replacement
Price includes a $61.75 refundable core charge
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
3647195
Mfg#:
278070110180KT
$566.99
This product was last offered at the strikethrough price on 01-06-2026
$535.99 USD
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on orders $49 and up
Lifetime Replacement
Designed to keep your engine cool and running at an optimal engine temp
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
2214728
Mfg#:
2781880401
7% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$282.00
This product was last offered at the strikethrough price on 01-06-2026
$262.99 USD
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on orders $49 and up
Lifetime Replacement
Used to check the oil level in the crankcase
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Not For Vehicles Equipped With 4Matic All Wheel Drive
Brand:
ES#:
2560750
Mfg#:
2780100172
10% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$138.00
This product was last offered at the strikethrough price on 05-05-2026
$123.99 USD
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Lifetime Replacement
Fits left cylinder head
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
2567873
Mfg#:
2780160125
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 06-21-2026
$96.99 USD
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Lifetime Replacement
Coolant Hose
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
2222762
Mfg#:
2782000551
7% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$42.00
This product was last offered at the strikethrough price on 01-06-2026
$39.00 USD
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on orders $49 and up
Lifetime Replacement
Fits right cylinder head
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
2226558
Mfg#:
2780160520
6% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$80.00
This product was last offered at the strikethrough price on 06-21-2026
$74.99 USD
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Lifetime Replacement
Price includes a $5746.00 refundable core charge
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Please verify fitment with VIN prior to ordering
Brand:
ES#:
4147076
Mfg#:
278010550480KT
$34542.99
This product was last offered at the strikethrough price on 05-05-2026
$34018.99 USD
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Partial Replacement
Harmonic Balancer - Vibration Damper
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
2567875
Mfg#:
2780300103
7% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$550.00
This product was last offered at the strikethrough price on 01-06-2026
$511.99 USD
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Free Shipping
on orders $49 and up
Lifetime Replacement
Designed to keep your engine cool and running at an optimal engine temp
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
2580004
Mfg#:
2781880201
7% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$240.00
This product was last offered at the strikethrough price on 01-06-2026
$223.99 USD
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on orders $49 and up
Lifetime Replacement
Replacement factory turbocharger - Price includes a refundable $296.40 core charge
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4423888
Mfg#:
278090388080KT
$4259.00
This product was last offered at the strikethrough price on 01-06-2026
$3856.99 USD
Add to Cart
Lifetime Replacement
Lower section
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
2648521
Mfg#:
2760106507
10% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$196.00
This product was last offered at the strikethrough price on 06-21-2026
$175.99 USD
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Free Shipping
Lifetime Replacement
Pulley Only - Power Steering Pump Sold Separately
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
2564996
Mfg#:
0004662615
7% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$430.00
This product was last offered at the strikethrough price on 01-06-2026
$399.99 USD
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on orders $49 and up
Lifetime Replacement
Left - Intake - Adjusts intake camshaft for valve timing
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4774130
Mfg#:
2780507100
7% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$1370.00
This product was last offered at the strikethrough price on 01-06-2026
$1273.99 USD
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Free Shipping
on orders $49 and up
Lifetime Replacement
Price includes a refundable $84.80 core charge
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
2817053
Mfg#:
0141540902KT
$1282.99
This product was last offered at the strikethrough price on 01-06-2026
$1133.99 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.