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Volkswagen Engine Coolant Flanges & Parts

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Thermostat O-Ring

ES#4034832 - 038121119B - Thermostat O-Ring - Ensure a proper seal when installing your new thermostat. 50x4 - Elring - Audi Volkswagen

Ensure a proper seal when installing your new thermostat. 50x4 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For vehicles with BRM engine code only

Brand:
Elring - Corporate Logo
ES#:
4034832
Mfg#:
038121119B
Ships in 1 Business Day
$3.99

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

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange

ES#2535192 - 026121144E - Coolant Flange - Located on the driver side of the cylinder head - URO - Audi Volkswagen

Located on the driver side of the cylinder head 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2535192
Mfg#:
026121144E
Ships in 1 Business Day
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange

ES#3970404 - 028121132A - Coolant Flange - Located on the left side of the cylinder head, includes O-Ring - Meyle - Volkswagen

Located on the left side of the cylinder head, includes O-Ring 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
AHU & 1Z Engine codes only

Brand:
Meyle - Corporate Logo
ES#:
3970404
Mfg#:
028121132A
Ships in 1 Business Day
$8.85

This product was last offered at the strikethrough price on
08-26-2026

$8.20 USD
Free Shipping
on orders $49 and up

Coolant Flange

ES#2984807 - 037121132B - Coolant Flange - Located on the front side of the cylinder head - Meyle - Volkswagen

Located on the front side of the cylinder head 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For model years 1984 - 1993 only

Brand:
Meyle - Corporate Logo
ES#:
2984807
Mfg#:
037121132B
Ships in 1 Business Day
$9.04

This product was last offered at the strikethrough price on
08-26-2026

$8.15 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#259316 - 06A121121C - Thermostat Housing - Common point of failure for the cooling system. O-ring included. - Meyle - Audi Volkswagen

Common point of failure for the cooling system. O-ring included. 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
259316
Mfg#:
06A121121C
Back Ordered
$8.15 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange

ES#2878291 - 044121144B - Coolant Flange - Attaches to flange on the cylinder head - Vaico - Volkswagen

Attaches to flange on the cylinder head We Price Match - Give Us A Call or Chat!
For vehicles with BEW engine code and automatic transmission only

Brand:
Vaico - Corporate Logo
ES#:
2878291
Mfg#:
044121144B
Ships in 1 Business Day
$9.99

This product was last offered at the strikethrough price on
04-19-2026

$7.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Cooling Flange

Common area for coolant leaks - Located on cylinder head 2X Entries Into Our F80 M3 Sweepstakes
Fits vehicles with CCTA engine code only

Brand:
Rein - Corporate Logo
ES#:
5470765
Mfg#:
06J121132G
Ships in 3 Business Days
$7.99 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

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
10-06-2026

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

Thermostat Housing

ES#8692 - 074121121B - Thermostat Housing - Located behind water pump housing - MTC - Audi Volkswagen

Located behind water pump housing

Brand:
MTC - Corporate Logo
ES#:
8692
Mfg#:
074121121B
Ships in 9 Business Days
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#4872201 - 038121121 - Thermostat Housing - Common point of failure or leaking for the cooling system on your TDI. - URO - Volkswagen

Common point of failure or leaking for the cooling system on your TDI. 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For vehicles with ALH engine code only

Brand:
URO - Corporate Logo
ES#:
4872201
Mfg#:
038121121
Ships in 1 Business Day
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange

ES#3970372 - 068121132 - Coolant Flange - Common point of failure in MKII models - Meyle - Volkswagen

Common point of failure in MKII models 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
3970372
Mfg#:
068121132
Ships on Oct 22, 2026
$7.53 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

ES#3659191 - 07K121119A - Thermostat O-Ring - Recommended to be replaced when replacing a thermostat. 63x3mm - Mahle - Volkswagen

Recommended to be replaced when replacing a thermostat. 63x3mm

Brand:
Mahle - Corporate Logo
ES#:
3659191
Mfg#:
07K121119A
Ships in 1 day
$7.13 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#2207846 - 030121121B - Thermostat Housing - Located on the water pump assembly - URO - Audi Volkswagen

Located on the water pump assembly 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For vehicles with AEB or ATW engine codes only.

Brand:
URO - Corporate Logo
ES#:
2207846
Mfg#:
030121121B
Ships in 1 day
$7.13 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose Flange

ES#2561370 - 074121132 - Coolant Hose Flange - Commonly broken plastic piece. - Meyle - Volkswagen

Commonly broken plastic piece. 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
2561370
Mfg#:
074121132
Ships on Oct 22, 2026
$7.11 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange

ES#2724577 - 06A121133AH - Coolant Flange - Located on the side of the cylinder head - OE Aftermarket - Audi Volkswagen

Located on the side of the cylinder head For vehicles with automatic transmissions

Brand:
OE Aftermarket - Corporate Logo
ES#:
2724577
Mfg#:
06A121133AH
Ships in 1 day
ON SALE! SAVE 30%
$9.99

This product was last offered at the strikethrough price on
10-05-2026

$7.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#2708530 - 074121121B - Thermostat Housing - Located behind water pump housing - URO - Audi Volkswagen

Located behind water pump housing 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2708530
Mfg#:
074121121B
Ships in 1 Business Day
$6.99 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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