Upgrade from your all-in-one plastic thermostat assembly to a stout and reliable billet mechanical thermostat setup!
10X Entries Into Our F80 M3 Sweepstakes
Includes a Water Pump & Bolts, Thermostat Assembly, Thermostat Hose w/ Aluminum Flange, Water Pump Hose, Lower Radiator Hose, and Water Pump to Thermostat Hose
2X Entries Into Our F80 M3 Sweepstakes
Includes a 74c race thermostat, Pierburg water pump, and ECS silicone hoses
10X Entries Into Our F80 M3 Sweepstakes For vehicles with plastic thermostat housing
Brand:
ES#:
4172080
Mfg#:
11517586925KT15
In Stock
ON SALE!
SAVE 16%
$892.99
This product was last offered at the strikethrough price on 09-09-2026
Over time, heat cycles degrade the plastic components, internal electronics fail, and you're left stranded with a yellow (or worse, red) coolant warning light on your dash.
10X Entries Into Our F80 M3 Sweepstakes
Brand:
ES#:
5481358
Mfg#:
11517604027KT2
In Stock
ON SALE!
$494.99
This product was last offered at the strikethrough price on 09-10-2026
Includes a 74c race thermostat, water pump, and ECS silicone hoses
10X Entries Into Our F80 M3 Sweepstakes For vehicles with plastic thermostat housing
Brand:
ES#:
4172081
Mfg#:
11517586925KT16
Ships in 1-2 days
ON SALE!
$1128.99
This product was last offered at the strikethrough price on 10-05-2026
Free up some extra horsepower by replacing your fan with a Mishimoto e-fan
10X Entries Into Our F80 M3 Sweepstakes For vehicles with production date up to 09/1995
Brand:
ES#:
2855348
Mfg#:
E36FNDKT6KT7
In Stock
$329.99
This product was last offered at the strikethrough price on 09-27-2026
Partial Replacement
