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Volkswagen Passat Engine Thermostat Parts

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ES#2801137 - 021121119A - Thermostat Housing O-Ring - O-Ring between thermostat housing and cylinder head - Meistersatz - Audi Volkswagen

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

Brand:
Meistersatz - Corporate Logo
ES#:
2801137
Mfg#:
021121119A
Ships in 3 Business Days
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2878144 - 037121121A - Adapter - Thermostat to Water Pump Housing - Vaico - Audi Volkswagen

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

Brand:
Vaico - Corporate Logo
ES#:
2878144
Mfg#:
037121121A
In Stock at Vendor
$5.99

This product was last offered at the strikethrough price on
05-07-2026

$4.99 USD
ES#4877348 - 06H121026DD - Aluminum Water Pump Module (06H121026DD) *Scratch And Dent* - Complete water pump housing module, includes thermostat, temp sensor, and gasket - Featuring a full aluminum housing with metal impeller! - Scratch & Dent - Audi Volkswagen

Complete water pump housing module, includes thermostat, temp sensor, and gasket - Featuring a full aluminum housing with metal impeller! ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Scratch & Dent - Corporate Logo
ES#:
4877348
Mfg#:
06H121026DD
In Stock
ON SALE! SAVE 25%
$485.99

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

$365.99 USD
Free Shipping
on orders $49 and up
ES#5373591 - 021121119A - Thermostat Housing O-Ring - O-Ring between thermostat housing and cylinder head - Ajusa - Audi Volkswagen

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

Brand:
Ajusa - Corporate Logo
ES#:
5373591
Mfg#:
021121119A
Ships in 3 Business Days
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2966333 - N901368021KT - Thermostat Replacement Kit - Includes a thermostat and O-ring - Assembled By ECS - Volkswagen

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

Brand:
Assembled By ECS - Corporate Logo
ES#:
2966333
Mfg#:
N901368021KT
In Stock at Vendor
ON SALE! SAVE 23%
$25.99

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

$20.06 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2813131 - 078121121K - Thermostat Housing - Located on the front right of the engine block - Hamburg Tech - Audi Volkswagen

Located on the front right of the engine block affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For vehicles with VIN from 3B-1-050 001 only, split is in the 2001 model year

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813131
Mfg#:
078121121K
Ships in 2 Business Days
$69.95 USD
Free Shipping
on orders $49 and up
ES#5435715 - 03H121113A - Thermostat  - Used to regulate coolant temperature - Hamburg Tech - Volkswagen Porsche

Used to regulate coolant temperature affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hamburg Tech - Corporate Logo
ES#:
5435715
Mfg#:
03H121113A
Ships in 2 Business Days
$20.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#2800962 - 056121113D - Thermostat - 87C - Keep your car running at the proper temperature. Does not include o-ring - Meistersatz - Audi Volkswagen

Keep your car running at the proper temperature. Does not include o-ring affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Meistersatz - Corporate Logo
ES#:
2800962
Mfg#:
056121113D
Ships in 3 Business Days
$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4810572 - 078121113F - Thermostat - 87C - Prevent overheating and premature engine wear - Rein - Audi Volkswagen

Prevent overheating and premature engine wear 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:
Rein - Corporate Logo
ES#:
4810572
Mfg#:
078121113F
Ships in 3 Business Days
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4220573 - 075121113D -  Thermostat - 80C - Does not include sealing O-Ring - Rein - Audi Volkswagen

Does not include sealing O-Ring 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:
Rein - Corporate Logo
ES#:
4220573
Mfg#:
075121113D
Ships in 3 Business Days
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2894962 - 078121113G - Thermostat (92 deg. C) - Includes sealing O-Ring - Vemo - Audi Volkswagen

Includes sealing O-Ring affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with a vin from 3B-X-500 001

Brand:
Vemo - Corporate Logo
ES#:
2894962
Mfg#:
078121113G
In Stock at Vendor
$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2710667 - 06F121111F - Thermostat - Complete assembly including housing - Vemo - Audi Volkswagen

Complete assembly including housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with FSI engines only

Brand:
Vemo - Corporate Logo
ES#:
2710667
Mfg#:
06F121111F
In Stock at Vendor
$92.99

This product was last offered at the strikethrough price on
05-07-2026

$90.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Connects radiator to lower portion of thermostat housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits vehicles with BPY engine code only

Brand:
Burgaflex - Corporate Logo
ES#:
3698950
Mfg#:
3C0122051BD
Ships in 9 Business Days
$118.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Keep your car running at the proper temperature. Does not include o-ring 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#:
2812955
Mfg#:
056121113D
Ships in 2 Business Days
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ensure a proper seal when installing your new thermostat affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with TSI engines only

Brand:
Meistersatz - Corporate Logo
ES#:
5374203
Mfg#:
06H121119E
Ships in 3 Business Days
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Does not include sealing O-Ring affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Meistersatz - Corporate Logo
ES#:
2800945
Mfg#:
075121113D
Ships in 3 Business Days
$12.99 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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