For M157 and M278 engines, the coolant lines can become brittle and fail over time. Replacing them during water pump service is a smart preventative measure to avoid future leaks or damage.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Includes necessary parts to replace the thermostat and water pump.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms from engine # 60 060809 from 08/09/14
Brand:
ES#:
5388745
Mfg#:
1572000107KT
Ships in 2 Business Days
$1837.99
This product was last offered at the strikethrough price on 01-20-2026
Includes Pulley, Gaskets, and Plugs - Price includes a $61.10 refundable core charge.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms from engine # 60 060809 from 08/09/14
Includes left and right side gaskets. Ensure a proper seal on your exhaust manifold
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Located behind the catalytic converter
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Fits Left Or Right Side - Two (2) Required Per Vehicle
Brand:
ES#:
2145450
Mfg#:
0065422018
Ships in 3 Business Days
7% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$218.00
This product was last offered at the strikethrough price on 07-13-2026
Price includes a refundable $102.82 core charge. Turns your engine over to get it started
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
2812832
Mfg#:
2789060700KT
Ships in 3 Business Days
$675.99
This product was last offered at the strikethrough price on 05-05-2026
Reseal your leaking M157 or M278 valve covers the right way with genuine liquid sealant, new aluminum hardware, and high pressure fuel pump seals.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Includes Genuine Mercedes-Benz Sealant, all new hardware, camshaft adjuster seals for a perfect reseal.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
5456410
Mfg#:
M157M278RSKT
Ships in 6 Business Days
$800.99
This product was last offered at the strikethrough price on 04-14-2026
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.
Partial Replacement
