Includes housing and sealing o-ring
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! Low-temp thermostat reduces stresses on engine components and improves performance
Brand:
ES#:
4158502
Mfg#:
11537586885
In Stock
ON SALE!
SAVE 20%
$93.99
This product was last offered at the strikethrough price on 05-02-2026
Includes housing and sealing o-ring
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms We Price Match - Give Us A Call or Chat! Low-temp thermostat reduces stresses on engine components and improves performance
Brand:
ES#:
2807159
Mfg#:
11537586885-90C
In Stock
$117.99
This product was last offered at the strikethrough price on 12-11-2025
Featuring a Genuine BMW water pump and upgraded HT 90*C thermostat!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Low-temp thermostat reduces stresses on engine components and improves performance
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
2966600
Mfg#:
11537586885KT
In Stock
ON SALE!
$146.99
This product was last offered at the strikethrough price on 05-02-2026
Includes housing and sealing o-ring
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4669232
Mfg#:
11537502779
Ships on Jun 29, 2026
ON SALE!
$46.99
This product was last offered at the strikethrough price on 05-02-2026
Calibrated for exact opening and closing temperatures, ensuring the engine reaches operating temperature quickly to reduce emissions and wear.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
5456667
Mfg#:
3282280016
Special Order: No Guaranteed ETA
$47.99 USD
Free Shipping
on orders $49 and up
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
