Upgrade your M157 AMG or M278 with the UPD Billet Idler Kit - CNC-machined aluminum pulleys built to eliminate factory plastic idler failures and deliver lasting performance and reliability.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand new unit with no core charge. OEM Supplier!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms We Price Match - Give Us A Call or Chat!
Brand:
ES#:
4820416
Mfg#:
0009062100
In Stock at Vendor
$991.99
This product was last offered at the strikethrough price on 05-07-2026
Front Timing Cover To Block Seal
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
5457287
Mfg#:
2780150080
Ships in 1-2 days
$20.99
This product was last offered at the strikethrough price on 05-07-2026
Includes Pulley, Gaskets, and Plugs - Price includes a $61.10 refundable core charge.
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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 left and right side gaskets. Ensure a proper seal on your exhaust manifold
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Auxiliary Water Pump - Heating And Ventilation
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Not for cars with Magic Vision Control and Heated Windshield Washer System (Code 874).
Brand:
ES#:
1741407
Mfg#:
2048350364
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.
$246.00
This product was last offered at the strikethrough price on 07-10-2026
Lifetime Replacement
