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Volkswagen Passat Engine Coolant Flanges & Parts

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Coolant Pipe Adapter O-Ring

ES#275799 - 03H121041 - Coolant Pipe Adapter O-Ring - Genuine Volkswagen Audi - Volkswagen

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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
275799
Mfg#:
03H121041
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.

$4.63

This product was last offered at the strikethrough price on
06-04-2026

$4.18 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Cooling Flange

ES#270655 - 027121133E - Cylinder Head Cooling Flange - Left side of engine, facing front of car - Genuine Volkswagen Audi - Volkswagen

Left side of engine, facing front of car affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
270655
Mfg#:
027121133E
Ships in 1 day
9% off MSRP

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

$31.99

This product was last offered at the strikethrough price on
02-26-2026

$28.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

ES#2834711 - 06B121119B - Thermostat O-Ring - Ensure a proper seal when installing your new thermostat. 50x3.5mm - Meistersatz - Audi Volkswagen

Ensure a proper seal when installing your new thermostat. 50x3.5mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Meistersatz - Corporate Logo
ES#:
2834711
Mfg#:
06B121119B
In Stock
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sealing O-Ring - Priced Each

ES#3550934 - 037121687 - Sealing O-Ring - Priced Each - Install a new o-ring for a proper seal. 36x3.15 - Elring - Audi Volkswagen

Install a new o-ring for a proper seal. 36x3.15 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
3550934
Mfg#:
037121687
In Stock
$1.01 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sealing Washer

ES#2800386 - 07K121149 - Sealing Washer - Used with coolant flange and thrust ring to create a leak free seal - Ajusa - Audi Volkswagen

Used with coolant flange and thrust ring to create a leak free seal affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Ajusa - Corporate Logo
ES#:
2800386
Mfg#:
07K121149
Back Ordered
$5.33 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Cooling Flange

ES#4742541 - 06J121132G - Cylinder Head Cooling Flange - Common area for coolant leaks - Located on cylinder head - Febi - Volkswagen

Common area for coolant leaks - Located on cylinder head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Fits vehicles with CCTA engine code only

Brand:
Febi - Corporate Logo
ES#:
4742541
Mfg#:
06J121132G
Ships on Jun 23, 2026
$14.99

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

$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange

ES#2497435 - 037121144H - Coolant Flange - Located on the left side of the cylinder head - URO - Volkswagen

Located on the left side of the cylinder head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For vehicles with manual transmission

Brand:
URO - Corporate Logo
ES#:
2497435
Mfg#:
037121144H
In Stock
Limited Qty Sale
$5.99

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

$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator flange Gasket

ES#270656 - 027121139A - Radiator flange Gasket - Replace worn out Radiator flange gasket - Genuine Volkswagen Audi - Volkswagen

Replace worn out Radiator flange gasket affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
270656
Mfg#:
027121139A
Ships in 2 Business Days
7% off MSRP

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

$13.99

This product was last offered at the strikethrough price on
02-26-2026

$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Cover

ES#2953983 - 07K121121B - Thermostat Cover - Found on the thermostat housing - Hamburg Tech - Volkswagen

Found on the thermostat housing 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#:
2953983
Mfg#:
07K121121B
Ships in 1 Business Day
$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant pipe gasket

ES#275801 - 03H121041B - Coolant pipe gasket - For the hose connection found on the back of the block - Genuine Volkswagen Audi - Volkswagen

For the hose connection found on the back of the block affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
275801
Mfg#:
03H121041B
In Stock
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#3190087 - 902-963 - Thermostat Housing - Common point of failure or leaking for the cooling system - Dorman - Volkswagen

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

Brand:
Dorman - Corporate Logo
ES#:
3190087
Mfg#:
902-963
Ships in 4 Business Days
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling Pipe Adaptor

ES#3190106 - 902-994 - Cooling Pipe Adaptor - Cooling pipe adaptor from crack pipe to thermostat housing - Dorman - Volkswagen

Cooling pipe adaptor from crack pipe to thermostat housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Dorman - Corporate Logo
ES#:
3190106
Mfg#:
902-994
Ships in 4 Business Days
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing Cover

ES#3190079 - 902-951 - Thermostat Housing Cover - Covers the thermostat, located on the coolant flange - Dorman - Volkswagen

Covers the thermostat, located on the coolant flange affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Dorman - Corporate Logo
ES#:
3190079
Mfg#:
902-951
Ships in 4 Business Days
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose

ES#2697623 - 06K121051G - Coolant Hose - Connects cylinder head breather adapter to expansion tank return pipe - Genuine Volkswagen Audi - Volkswagen

Connects cylinder head breather adapter to expansion tank return pipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2697623
Mfg#:
06K121051G
Ships in 1 day
11% off MSRP

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

$8.99

This product was last offered at the strikethrough price on
06-04-2026

$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sensor Retaining Clip - Priced Each

ES#2865558 - 025121142 - Sensor Retaining Clip - Priced Each - Secures the coolant temperature sensor in place - Febi - Audi Volkswagen

Secures the coolant temperature sensor in place 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#:
2865558
Mfg#:
025121142
Ships on Jul 21, 2026
Auto Notify
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O-Ring - Priced Each

ES#2801213 - N10139201 - O-Ring - Priced Each - O-ring for each side of the plastic bypass pipe under intake. 34.5x3.55 - Meistersatz - 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:
Meistersatz - Corporate Logo
ES#:
2801213
Mfg#:
N10139201
In Stock at Vendor
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Coolant Flanges & Parts

Replace a cracked or failed coolant flange with a brand new coolant flange to stop those leaks!

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