Engine Coolant Thermostat / Water Inlet Assembly
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply For cars with (Code M014); Not for cars with (Code 920)
Brand:
ES#:
4049225
Mfg#:
2742003400
Ships in 4 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.
$240.00
This product was last offered at the strikethrough price on 10-29-2026
Includes housing & seals
2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply We Price Match - Give Us A Call or Chat! Not for cars with (Code 920, or M014).
Includes a Genuine Mercedes-Benz Water Pump, Thermostat, and 1 gallon of pink G40 coolant concentrate.
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Not for cars with (Code 806, 807, 808, 809, 920 or M014).
Premium Metal Construction vs OEM Plastic; Includes Thermostat & Sensor with Hardware
2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
For cars with (Code M014); Not for cars with (Code 920)
Includes housing & seals
Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Not for cars with (Code 920, or M014).
Brand:
ES#:
4064832
Mfg#:
2742003100
Ships in 4 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.
$242.00
This product was last offered at the strikethrough price on 10-29-2026
Engine Coolant Thermostat / Water Inlet Assembly
2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply 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 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply Not for cars with (Code 806, 807, 808, 809, 920 or M014).
Brand:
ES#:
4906352
Mfg#:
2742000900KT1
Ships in 1 Business Day
ON SALE!
$555.99
This product was last offered at the strikethrough price on 10-28-2026
Includes housing & seals
2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply 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
