Replace your thermostat, temp sensor and expansion tank with one kit!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
2586303
Mfg#:
06B121111K1KT
In Stock
ON SALE!
SAVE 54%
$607.99
This product was last offered at the strikethrough price on 02-07-2026
Includes ECS' upgraded J-plug, replace critical cooling system components & perform a proper coolant system flush
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
2795706
Mfg#:
06B121132EKT4
In Stock at Vendor
ON SALE!
SAVE 17%
$330.99
This product was last offered at the strikethrough price on 05-02-2026
Includes ECS' upgraded J-plug & replace your thermostat, temp sensors, coolant flange, & expansion tank with one kit!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
2795704
Mfg#:
06B121111KT3
In Stock at Vendor
ON SALE!
SAVE 17%
$317.99
This product was last offered at the strikethrough price on 05-02-2026
Replace critical cooling system components and perform a proper coolant system flush
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
2608083
Mfg#:
06B121132EKT2
In Stock at Vendor
ON SALE!
SAVE 11%
$284.99
This product was last offered at the strikethrough price on 05-02-2026
Replace your thermostat, temp sensors, coolant flange, and expansion tank with one kit!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
2608082
Mfg#:
06B121111KKT2
In Stock at Vendor
ON SALE!
SAVE 11%
$271.99
This product was last offered at the strikethrough price on 05-02-2026
Includes ECS' upgraded J-plug & replace your thermostat, temp sensor & expansion tank with one kit!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
2795701
Mfg#:
06B121111KT2
In Stock at Vendor
ON SALE!
SAVE 17%
$274.99
This product was last offered at the strikethrough price on 01-03-2026
Replace your thermostat, temp sensor and expansion tank with one kit!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
2586289
Mfg#:
06B121111K2KT
In Stock at Vendor
ON SALE!
SAVE 11%
$227.99
This product was last offered at the strikethrough price on 05-02-2026
Si-OAT technology specifically engineered for modern BMW, VW, Audi, and Porsche vehicles.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
5435259
Mfg#:
904683
Back Ordered
$25.99
This product was last offered at the strikethrough price on 05-07-2026
More About Cooling System Service & Maintenance Parts
From individual cooling system parts to full cooling system refresh kits and cooling system upgrades, we have it all right here so you can keep your engine temperature in check or improve cooling system performance to meet the demands you place on your car.
Partial Replacement
