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Volkswagen Engine Coolant Flanges & Parts

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Sealing O-Ring

ES#2663663 - WHT005190 - Sealing O-Ring - Found on the thermostat housing assembly. 37.5x4x6 - Genuine Volkswagen Audi - Audi Volkswagen

Found on the thermostat housing assembly. 37.5x4x6 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2663663
Mfg#:
WHT005190
In Stock
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing Cover

ES#2710128 - 021121121C - Thermostat Housing Cover - Common source of coolant leaks around your thermostat - URO - Volkswagen

Common source of coolant leaks around your thermostat affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2710128
Mfg#:
021121121C
Ships in 1 Business Day
$13.99 USD
Free Shipping
on orders $49 and up
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
$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 Housing

ES#2865688 - 030121121B - Thermostat Housing - Located on the water pump assembly - Febi - Audi Volkswagen

Located on the water pump assembly affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with AEB or ATW engine codes only.

Brand:
Febi - Corporate Logo
ES#:
2865688
Mfg#:
030121121B
In Stock
$9.22 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

ES#11800 - N90136802 - Thermostat O-Ring - Ensure a proper seal when installing your new thermostat - Febi - Audi BMW Volkswagen

Ensure a proper seal when installing your new thermostat affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
11800
Mfg#:
N90136802
In Stock
$1.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sealing O-ring

ES#274530 - 037121688 - Sealing O-ring - For left cylinder head cooling flange (50x3.15) - Genuine Volkswagen Audi - Volkswagen

For left cylinder head cooling flange (50x3.15) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
274530
Mfg#:
037121688
In Stock
8% off MSRP

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

$12.99

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

$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose Flange

ES#275134 - 038121132D - Coolant Hose Flange - Common point of failure or leaking for the cooling system on your TDI. - Genuine Volkswagen Audi - Volkswagen

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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
275134
Mfg#:
038121132D
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.

$153.99

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

$142.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Bolt - Priced Each

ES#469946 - N90476201 - Bolt - Priced Each - Use new hardware with your new parts. M6x85 - Genuine Volkswagen Audi - Volkswagen

Use new hardware with your new parts. M6x85 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
469946
Mfg#:
N90476201
In Stock
ON SALE! SAVE 13%
$8.99

This product was last offered at the strikethrough price on
06-25-2026

$7.78 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
For AES engine codes

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

Coolant Glow Plug - Priced Each

ES#467877 - N10302102 - Coolant Glow Plug - Priced Each - 3 required - Genuine Volkswagen Audi - Volkswagen

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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
467877
Mfg#:
N10302102
Ships in 2 Business Days
6% off MSRP

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

$48.99

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

$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#4715255 - 06K121111P - Thermostat Housing - Includes thermostat and housing gasket - Hudson - Volkswagen

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

Brand:
Hudson - Corporate Logo
ES#:
4715255
Mfg#:
06K121111P
Ships in 1-2 days
$135.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange

ES#315452 - 1K0122291J - Coolant Flange - 90 degree fitting with quick coupling - Genuine Volkswagen Audi - Volkswagen

90 degree fitting with quick coupling affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
315452
Mfg#:
1K0122291J
Ships in 2 Business Days
11% off MSRP

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

$45.99

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

$40.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat

ES#277901 - 059121111R - Thermostat - Regulates coolant flow for managing temperature within the specified range - Genuine Volkswagen Audi - Audi Volkswagen

Regulates coolant flow for managing temperature within the specified range affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with CATA engine code only (2009-2012)

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
277901
Mfg#:
059121111R
In Stock
ON SALE!
$121.99

This product was last offered at the strikethrough price on
02-23-2026

$117.51 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange

ES#1039200 - 06A121132R - Coolant Flange - Located on the driver side of the cylinder head - Genuine Volkswagen Audi - Volkswagen

Located on the driver side of the cylinder head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with automatic transmission only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1039200
Mfg#:
06A121132R
Ships in 1-2 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.

$59.99

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

$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat

ES#4352633 - 059121111R - Thermostat - Regulates coolant flow for managing temperature within the specified range - Rein - Audi Volkswagen

Regulates coolant flow for managing temperature within the specified range affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with CATA engine code only (2009-2012)

Brand:
Rein - Corporate Logo
ES#:
4352633
Mfg#:
059121111R
Ships in 1 Business Day
ON SALE!
$38.99

This product was last offered at the strikethrough price on
06-29-2026

$37.04 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Cooling Flange

ES#4446147 - 03H121133 - Cylinder Head Cooling Flange - Located on the side of the engine attached to the thermostat housing - URO - Audi Volkswagen

Located on the side of the engine attached to the thermostat housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4446147
Mfg#:
03H121133
Ships on Jul 28, 2026
$36.99 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!

Other Volkswagen Engine Coolant Flanges & Parts

Let us help you find the parts that fit your Volkswagen

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