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
$422.99
This product was last offered at the strikethrough price on 01-20-2026
Thermostat to Water Pump Seal Ring
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
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 Pulley, Gaskets, and Plugs - Price includes a $61.10 refundable core charge.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
5388740
Mfg#:
157200010764KT
Ships in 2 Business Days
$787.99
This product was last offered at the strikethrough price on 12-29-2025
Keep your AMG's turbochargers and heater core perfectly cooled. This Genuine Mercedes-Benz auxiliary water pump ensures optimal coolant circulation under high-load and low-speed conditions, protecting your M157 V8 from dangerous localized overheating.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
2559179
Mfg#:
0005002486
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.
$400.00
This product was last offered at the strikethrough price on 06-25-2026
Includes Pulley, Gaskets, and Plugs
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! We Price Match - Give Us A Call or Chat!
Brand:
ES#:
4344479
Mfg#:
1572000107
Special Order: No Guaranteed ETA
$296.99 USD
Lifetime Replacement
More About Water Pumps & Parts
If your engine is getting hot at idle or even driving around, your water pump could be on its way out. A sure sign of failure is coolant seepage around the water pump housing. Replace your faulty water pump with a genuine water pump or quality aftermarket water pump from these trusted suppliers.
Lifetime Replacement
