Includes a Genuine Mercedes-Benz Water Pump, Thermostat, and 1 gallon of pink G40 coolant concentrate.
Not for cars with (Code 806, 807, 808, 809, 920 or M014).
Includes necessary parts to replace the thermostat and water pump. Price includes a $32.50 refundable core charge.
Check part on vehicle before ordering to confirm the original pump is belt driven.
Includes necessary parts to replace the thermostat and water pump.
10X Entries Into Our F80 M3 Sweepstakes Check part on vehicle before ordering to confirm the original pump is belt driven.
Brand:
ES#:
5394245
Mfg#:
2742001507KT2
Ships in 8 Business Days
$444.99
This product was last offered at the strikethrough price on 07-15-2026
Engine Coolant Thermostat / Water Inlet Assembly
2X Entries Into Our F80 M3 Sweepstakes We Price Match - Give Us A Call or Chat! For cars with (Code M014); Not for cars with (Code 920)
Includes an OEM supplier Water Pump, Thermostat, and 1 gallon of pink G40 coolant premixed 50/50.
10X Entries Into Our F80 M3 Sweepstakes Not for cars with (Code 806, 807, 808, 809, 920 or M014).
Brand:
ES#:
4906352
Mfg#:
2742000900KT1
In Stock
$545.99
This product was last offered at the strikethrough price on 07-15-2026
Includes housing & seals
2X Entries Into Our F80 M3 Sweepstakes We Price Match - Give Us A Call or Chat! Not for cars with (Code 920, or M014).
Brand:
ES#:
4875841
Mfg#:
2742000115
Back Ordered
$180.99 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
More About Engine Thermostat Parts
Your thermostat helps regulate engine temperatures by allowing the coolant to circulate through the radiator once it opens. If it fails, this might mean it never closes, but worst case, it could mean your coolant doesn't get to the radiator. Stay ahead of cooling issues by replacing your thermostat regularly with an OEM thermostat or quality aftermarket thermostat from our selection.
Lifetime Replacement
