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Volkswagen Passat Engine Thermostat Parts

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ES#4699573 - 06L121111P - Thermostat/Water Pump Kit (Updated) - Advanced design with fewer moving parts and lower weight - without sacrificing cooling performance or warm-up temperature curve. Includes thermostat, water pump, union, and o-rings - Bremmen Parts - Audi Volkswagen Porsche
ECS Tuning recommends this product.

Advanced design with fewer moving parts and lower weight - without sacrificing cooling performance or warm-up temperature curve. Includes thermostat, water pump, union, and o-rings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4699573
Mfg#:
06L121111P
In Stock
ON SALE! SAVE 10%
$245.99

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

$221.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3624235 - 06L121111J - Thermostat/Water Pump Kit - Includes thermostat, water pump, gasket, and belt! - Ina - Audi Volkswagen Porsche
ECS Tuning recommends this product.

Includes thermostat, water pump, gasket, and belt! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Ina - Corporate Logo
ES#:
3624235
Mfg#:
06L121111J
In Stock
$323.99

This product was last offered at the strikethrough price on
04-07-2026

$305.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4782970 - 06H121026DD - Aluminum Water Pump Module (06H121026DD) - Complete water pump with thermostat, temp sensor, and gasket. Featuring a high quality INA bearing for high efficiency and long service life. - Bremmen Parts - Audi Volkswagen
ECS Tuning recommends this product.

Complete water pump with thermostat, temp sensor, and gasket. Featuring a high quality INA bearing for high efficiency and long service life. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4782970
Mfg#:
06H121026DD
In Stock
ON SALE! SAVE 15%
$210.99

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

$179.34 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4818763 - 06L121111P - Upgraded Heavy Duty Thermostat / Water Pump Belt Kit - Includes thermostat, water pump, belt, union, and O-rings. - Hamburg Tech - Audi Volkswagen Porsche

Includes thermostat, water pump, belt, union, and O-rings. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
4818763
Mfg#:
06L121111P
In Stock
$266.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3647064 - 06H121026DD -  Aluminum Water Pump Module (06H121026DD) - Complete water pump housing module, includes thermostat, temp sensor, and gasket - Featuring a full aluminum housing with metal impeller! - Metelli - Audi Volkswagen

Complete water pump housing module, includes thermostat, temp sensor, and gasket - Featuring a full aluminum housing with metal impeller! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Metelli - Corporate Logo
ES#:
3647064
Mfg#:
06H121026DD
In Stock
$265.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3996455 - 06l121111hKT3 - Thermostat / Water Pump Replacement Kit - Includes necessary parts to replace the thermostat - Genuine Volkswagen Audi - Audi Volkswagen

Includes necessary parts to replace the thermostat affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3996455
Mfg#:
06L121111HKT3
In Stock
$661.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5425238 - 06L121111J - Thermostat/Water Pump Kit - With Belt  - Advanced design with fewer moving parts and lower weight - without sacrificing cooling performance or warm-up temperature curve. Includes thermostat, water pump, union, and belt. - Bremmen Parts - Audi Volkswagen Porsche

Advanced design with fewer moving parts and lower weight - without sacrificing cooling performance or warm-up temperature curve. Includes thermostat, water pump, union, and belt. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5425238
Mfg#:
06L121111J
In Stock
ON SALE! SAVE 20%
$265.99

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

$212.15 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3464963 - 06l121111hKT - Thermostat / Water Pump Replacement Kit - Includes necessary parts to replace the thermostat - Genuine Volkswagen Audi - Audi Volkswagen

Includes necessary parts to replace the thermostat affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3464963
Mfg#:
06L121111HKT
In Stock
$722.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#4876883 - 06J121026BH - Water Pump Module - Includes the thermostat and gaskets. - Bremmen Parts - Audi Volkswagen

Includes the thermostat and gaskets. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4876883
Mfg#:
06J121026BH
In Stock
ON SALE! SAVE 10%
$254.99

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

$229.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3991461 - 06K121111P - Thermostat Housing With Water Pump - Includes thermostat - Geba - Volkswagen

Includes thermostat affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Geba - Corporate Logo
ES#:
3991461
Mfg#:
06K121111P
In Stock
$170.05

This product was last offered at the strikethrough price on
04-10-2026

$169.02 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4039367 - 06L121111H - Thermostat/Water Pump Kit - Includes thermostat, water pump, gasket, and belt. Made in Germany! - Vemo - Audi Volkswagen

Includes thermostat, water pump, gasket, and belt. Made in Germany! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Vemo - Corporate Logo
ES#:
4039367
Mfg#:
06L121111H
Ships on Sep 28, 2026
$376.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4507241 - 06H121026ED - Water Pump Module - Includes the thermostat, temp sensor, and gasket - Genuine Volkswagen Audi - Audi Volkswagen

Includes the thermostat, temp sensor, and gasket affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with TSI engines only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4507241
Mfg#:
06H121026ED
In Stock
14% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$507.49

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

$438.67 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3194789 - 06H121026DD - Water Pump Module - Includes the thermostat. Coolant temp sensor and gasket sold separately. - Pierburg - Audi Volkswagen

Includes the thermostat. Coolant temp sensor and gasket sold separately. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with TSI engines only

Brand:
Pierburg - Corporate Logo
ES#:
3194789
Mfg#:
06H121026DD
In Stock
$448.99

This product was last offered at the strikethrough price on
05-20-2026

$328.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3659371 - 078121121J - Thermostat Housing (Aluminum) - Aluminum design - Located on the front right of the engine block - URO - Audi Volkswagen

Aluminum design - Located on the front right of the engine block affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3659371
Mfg#:
078121121J
In Stock
$155.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4765652 - 06J121026NKT2 - Water Pump Kit with Coolant  - Includes a new water pump, belt, thermostat/housing, aluminum union piece & hardware, and G13 coolant - Assembled By ECS - Audi Volkswagen

Includes a new water pump, belt, thermostat/housing, aluminum union piece & hardware, and G13 coolant affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with TSI engines only

Brand:
Assembled By ECS - Corporate Logo
ES#:
4765652
Mfg#:
06J121026NKT2
In Stock
ON SALE! SAVE 23%
$327.80

This product was last offered at the strikethrough price on
01-03-2026

$251.85 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#4671694 - 06L121111N - Thermostat - Includes housing and gasket - Genuine Volkswagen Audi - Audi Volkswagen

Includes housing and gasket affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4671694
Mfg#:
06L121111N
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.

$536.87

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

$481.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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.

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