OEM replacement thermostat with housing and gasket for B46 and B48.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with the earlier Gen1 B48/B46 only - not compatible with the later Gen2 B48 (TU) engines
Brand:
ES#:
3198177
Mfg#:
11537644811
In Stock
10% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$602.99
This product was last offered at the strikethrough price on 06-07-2026
Includes a Water Pump & Bolts, Thermostat Assembly, Thermostat Hose w/ Aluminum Flange, Water Pump Hose, Lower Radiator Hose, and Water Pump to Thermostat Hose
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Serious engine oil cooling for the most demanding engines
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For custom applications only. Not a direct bolt on.
Includes everything you need to bolt on a brand new expansion tank
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
2581926
Mfg#:
N524ECSTNKKT
In Stock
ON SALE!
SAVE 36%
$166.99
This product was last offered at the strikethrough price on 04-03-2026
One time use! Don't forget to pick up a set for your water pump replacement! Made in Germany.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms We Price Match - Give Us A Call or Chat!
Optimize your engine cooling system performance and heater output with quality drive belts, coolant hoses, cooling system parts, and approved coolant fluids from ECS Tuning. Head off expensive repairs and untimely breakdowns with regularly scheduled cooling system inspection and maintenance.
Lifetime Replacement
