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BMW 335i Thermostat Kits

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Ultimate Water Pump And Thermostat Kit

ES#3604207 - 11517632426KT10 - Ultimate Water Pump And Thermostat Kit - Replace your water pump & add strength to your cooling system! - Assembled By ECS - BMW
ECS Tuning recommends this product.

Replace your water pump & add strength to your cooling system! 10X Entries For Our 25th Anniversary Sweepstakes!
Includes ECS billet and silicone hoses and Redline Water Wetter

Brand:
Assembled By ECS - Corporate Logo
ES#:
3604207
Mfg#:
11517632426KT10
In Stock
ON SALE! SAVE 24%
$800.53

This product was last offered at the strikethrough price on
05-02-2026

$607.72 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Water Pump And Thermostat Kit

ES#4056697 - 11518635090KT5 - Water Pump And Thermostat Kit - Includes everything you need to replace your water pump and thermostat. - Assembled By ECS - BMW

Includes everything you need to replace your water pump and thermostat. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4056697
Mfg#:
11518635090KT5
In Stock
ON SALE! SAVE 31%
$485.99

This product was last offered at the strikethrough price on
06-02-2026

$334.83 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Aluminum Upgrade Water Pump And Thermostat Kit

ES#4020057 - 11517632426KT11 - Aluminum Upgrade Water Pump And Thermostat Kit - Includes everything you need to replace your water pump and thermostat. Featuring Pierburg Full Aluminum water pump and thermostat. - Assembled By ECS - BMW
ECS Tuning recommends this product.

Includes everything you need to replace your water pump and thermostat. Featuring Pierburg Full Aluminum water pump and thermostat. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4020057
Mfg#:
11517632426KT11
In Stock
ON SALE! SAVE 14%
$743.99

This product was last offered at the strikethrough price on
04-01-2026

$640.47 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Performance Water Pump And Thermostat Kit

ES#2804281 - 11517632426KT5 - Performance Water Pump And Thermostat Kit - Includes a 74c race thermostat - Assembled By ECS - BMW

Includes a 74c race thermostat 10X Entries For Our 25th Anniversary Sweepstakes!
Reuses factory thermostat housing

Brand:
Assembled By ECS - Corporate Logo
ES#:
2804281
Mfg#:
11517632426KT5
In Stock
ON SALE! SAVE 20%
$514.99

This product was last offered at the strikethrough price on
05-02-2026

$410.38 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Thermostat Replacement Kit

ES#2713411 - 11537601158KT1 - Thermostat Replacement Kit - Includes coolant - Assembled By ECS - BMW

Includes coolant 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2713411
Mfg#:
11537601158KT1
In Stock
ON SALE! SAVE 24%
$106.99

This product was last offered at the strikethrough price on
05-02-2026

$81.44 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Thermostat Replacement Kit

ES#2582085 - N524TSTKT1 - Thermostat Replacement Kit - Includes mounting hardware and coolant - Wahler - BMW

Includes mounting hardware and coolant

Brand:
Wahler - Corporate Logo
ES#:
2582085
Mfg#:
N524TSTKT1
In Stock
ON SALE!
$112.99

This product was last offered at the strikethrough price on
03-26-2026

$106.43 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Thermostat Replacement Kit

ES#2582080 - N524TSTKT - Thermostat Replacement Kit - Includes mounting hardware and coolant - Genuine BMW - BMW

Includes mounting hardware and coolant

Brand:
Genuine BMW - Corporate Logo
ES#:
2582080
Mfg#:
N524TSTKT
In Stock
$298.99

This product was last offered at the strikethrough price on
06-03-2026

$296.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Water Pump And Thermostat Kit - N54

ES#2763074 - 11517632426KT4 - Water Pump And Thermostat Kit - N54 - Includes everything you need to replace your water pump and thermostat. Featuring OE water pump and thermostat. - Assembled By ECS - BMW

Includes everything you need to replace your water pump and thermostat. Featuring OE water pump and thermostat. 10X Entries For Our 25th Anniversary Sweepstakes!
Featuring all German-made components - water pump, Wahler thermostat, Genuine BMW coolant

Brand:
Assembled By ECS - Corporate Logo
ES#:
2763074
Mfg#:
11517632426KT4
In Stock
ON SALE!
$584.00

This product was last offered at the strikethrough price on
07-14-2026

$578.44 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Thermostat Replacement Kit

ES#2713410 - 11537601158KT - Thermostat Replacement Kit - Includes coolant - Genuine BMW - BMW

Includes coolant

Brand:
Genuine BMW - Corporate Logo
ES#:
2713410
Mfg#:
11537601158KT
In Stock
$324.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

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