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
Brand:
ES#:
5388746
Mfg#:
2782001300KT
Ships in 2 Business Days
$447.99
This product was last offered at the strikethrough price on 12-12-2025
Auxiliary Water Pump - Heating And Ventilation. OEM Supplier!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms We Price Match - Give Us A Call or Chat! Not for cars with Magic Vision Control and Heated Windshield Washer System (Code 874).
Brand:
ES#:
4736354
Mfg#:
2048350364
In Stock at Vendor
$131.99
This product was last offered at the strikethrough price on 05-07-2026
14mm - Does not include new sealing washer
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Includes all o-rings needed for installation. For M133, M152, M157, M176, M177, M178 & M278 Engine applications.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
2808825
Mfg#:
2781800009
In Stock at Vendor
$21.99
This product was last offered at the strikethrough price on 05-07-2026
Cure the notorious M157, M278, and M276 oil leak, save your alternator, and do the job right with 100% Genuine Mercedes Benz hardware and sealant in one click.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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.
Lifetime Replacement
