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Volkswagen Passat Thermostat Housings

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Thermostat Housing

ES#1910791 - 03H121117B - Thermostat Housing - Common point of failure or leaking for the cooling system - Genuine Volkswagen Audi - Volkswagen

Common point of failure or leaking for the cooling system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1910791
Mfg#:
03H121117B
Ships in 1 day
7% off MSRP

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

$214.99

This product was last offered at the strikethrough price on
06-08-2026

$200.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing O-Ring

ES#2394 - 021121119A - Thermostat Housing O-Ring - O-Ring between thermostat housing and cylinder head - Victor Reinz - Audi Volkswagen

O-Ring between thermostat housing and cylinder head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Victor Reinz - Corporate Logo
ES#:
2394
Mfg#:
021121119A
In Stock at Vendor
$10.99

This product was last offered at the strikethrough price on
04-28-2026

$4.07 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

ES#1848432 - N90136802 - Thermostat O-Ring - Ensure a proper seal when installing your new thermostat - Genuine Volkswagen Audi - Audi Volkswagen

Ensure a proper seal when installing your new thermostat affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1848432
Mfg#:
N90136802
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.

$7.80

This product was last offered at the strikethrough price on
06-08-2026

$7.02 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Thermostat Housing

ES#4045693 - 03H121117APRM - Aluminum Thermostat Housing - Common point of failure or leaking for the cooling system. Features a superior aluminum construction over the factory plastic unit. - URO Premium - Audi Volkswagen

Common point of failure or leaking for the cooling system. Features a superior aluminum construction over the factory plastic unit. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

For vehicles with VIN from 3C-7-120 001 only, split is in the 2007 model year

Brand:
URO Premium - Corporate Logo
ES#:
4045693
Mfg#:
03H121117APRM
Ships on Jul 1, 2026
$111.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

ES#261234 - 038121119B - Thermostat O-Ring - Ensure a proper seal when installing your new thermostat. 50x4 - Genuine Volkswagen Audi - Audi Volkswagen

Ensure a proper seal when installing your new thermostat. 50x4 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
261234
Mfg#:
038121119B
In Stock
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O-Ring - Priced Each

ES#467487 - N10139201 - O-Ring - Priced Each - O-ring for each side of the plastic bypass pipe under intake. 34.5x3.55 - Genuine Volkswagen Audi - Audi Volkswagen

O-ring for each side of the plastic bypass pipe under intake. 34.5x3.55 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
467487
Mfg#:
N10139201
In Stock
41% off MSRP

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

$6.72

This product was last offered at the strikethrough price on
06-08-2026

$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cast Aluminum Thermostat Housing

ES#3553455 - 462-121-VR37A - Cast Aluminum Thermostat Housing - Replace your inferior plastic housing - iABED Industries - Volkswagen

Replace your inferior plastic housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
iABED Industries - Corporate Logo
ES#:
3553455
Mfg#:
462-121-VR37A
Back Ordered
Auto Notify
$139.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#2812860 - 021121117A - Thermostat Housing - Located on the drivers side of the engine. O-rings sold separately. - Hamburg Tech - Volkswagen

Located on the drivers side of the engine. O-rings sold separately. 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#:
2812860
Mfg#:
021121117A
In Stock
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Cover

ES#2812945 - 03H121121C - Thermostat Cover - Outlet for coolant from the thermostat - Hamburg Tech - Audi Volkswagen

Outlet for coolant from the thermostat 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#:
2812945
Mfg#:
03H121121C
In Stock
$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing O-Ring

ES#268978 - 021121119A - Thermostat Housing O-Ring - O-Ring between thermostat housing and cylinder head - Genuine Volkswagen Audi - Audi Volkswagen

O-Ring between thermostat housing and cylinder head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
268978
Mfg#:
021121119A
Ships in 1-3 days
35% off MSRP

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

$13.73

This product was last offered at the strikethrough price on
06-08-2026

$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Cover

ES#275812 - 03H121121C - Thermostat Cover - Outlet for coolant from the thermostat - Genuine Volkswagen Audi - Audi Volkswagen

Outlet for coolant from the thermostat affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
275812
Mfg#:
03H121121C
Ships in 1 day
7% off MSRP

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

$69.99

This product was last offered at the strikethrough price on
06-08-2026

$64.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Cover

ES#1910793 - 03H121121D - Thermostat Cover - Outlet for coolant from the thermostat - Genuine Volkswagen Audi - Volkswagen

Outlet for coolant from the thermostat affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1910793
Mfg#:
03H121121D
Ships in 1 day
7% off MSRP

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

$69.99

This product was last offered at the strikethrough price on
06-08-2026

$64.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Kit

ES#5341164 - WPL0059 - Water Pump Kit - Includes water pump, belt, union, and hardware - Rein - Volkswagen

Includes water pump, belt, union, and hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Rein - Corporate Logo
ES#:
5341164
Mfg#:
WPL0059
Back Ordered
$213.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring - Priced Each

ES#2865801 - 038121119B - Thermostat O-Ring - Priced Each - Recommended when changing the thermostat - Febi - Audi Volkswagen

Recommended when changing the thermostat affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2865801
Mfg#:
038121119B
In Stock
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#5339949 - 06K121111P - Thermostat Housing - Includes thermostat and housing gasket - Bremmen Parts - Volkswagen

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

Brand:
Bremmen Parts - Corporate Logo
ES#:
5339949
Mfg#:
06K121111P
In Stock
ON SALE! SAVE 11%
$115.99

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

$103.73 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#275811 - 03H121117A - Thermostat Housing - Common point of failure or leaking for the cooling system - Genuine Volkswagen Audi - Audi Volkswagen

Common point of failure or leaking for the cooling system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with VIN from 3C-7-120 001 only, split is in the 2007 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
275811
Mfg#:
03H121117A
Ships in 1 day
7% off MSRP

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

$209.99

This product was last offered at the strikethrough price on
06-08-2026

$195.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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