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Volkswagen Passat Engine Coolant Flanges & Parts

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Cylinder Head Cooling Flange

ES#2709207 - 027121133E - Cylinder Head Cooling Flange - Located on the front of the block below the intake manifold, does not include gasket - URO - Volkswagen

Located on the front of the block below the intake manifold, does not include gasket 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2709207
Mfg#:
027121133E
Ships in 1 Business Day
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange

ES#2535193 - 028121132A - Coolant Flange - Located on the left side of the cylinder head, includes O-Ring - URO - Volkswagen

Located on the left side of the cylinder head, includes O-Ring 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
AHU & 1Z Engine codes only

Brand:
URO - Corporate Logo
ES#:
2535193
Mfg#:
028121132A
Ships in 1 Business Day
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#2709988 - 06B121121l - Thermostat Housing - Located on the left side of the engine block - URO - Audi Volkswagen

Located on the left side of the engine block 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For vehicles with AUG or AWM engine codes only.

Brand:
URO - Corporate Logo
ES#:
2709988
Mfg#:
06B121121L
Ships in 1 Business Day
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange O-Ring

ES#469529 - N90295401 - Coolant Flange O-Ring - Seals the breather assembly to the engine block (29.2x3) - Genuine Volkswagen Audi - Volkswagen

Seals the breather assembly to the engine block (29.2x3)

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
469529
Mfg#:
N90295401
Ships in 1-2 days
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Quick Disconnect Coolant Flange

ES#4830958 - 5Q0122291AB - Quick Disconnect Coolant Flange - A y shaped quick disconnect that attached directly to the water pump housing - Vaico - Audi Volkswagen

A y shaped quick disconnect that attached directly to the water pump housing We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4830958
Mfg#:
5Q0122291AB
Special Order: No Guaranteed ETA
$9.16 USD
Free Shipping
on orders $49 and up

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!

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#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

$8.33 USD
Free Shipping
on orders $49 and up

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 1-2 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.

$8.99

This product was last offered at the strikethrough price on
10-22-2026

$7.99 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 1-2 days
$7.13 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#2912 - 030121121B - Thermostat Housing - Located on the water pump assembly - Meyle - Audi Volkswagen

Located on the water pump assembly 5X 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:
Meyle - Corporate Logo
ES#:
2912
Mfg#:
030121121B
In Stock at Vendor
$6.11 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing O-Ring

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

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

Coolant Flange O-Ring

ES#2872958 - N90295401 - Coolant Flange O-Ring - Seals the breather assembly to the engine block (29.2x3) - Febi - Volkswagen

Seals the breather assembly to the engine block (29.2x3) We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2872958
Mfg#:
N90295401
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

Thermostat Housing Cover

ES#2535115 - 055121121F - Thermostat Housing Cover - O-ring not included - URO - Audi Volkswagen

O-ring not included 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2535115
Mfg#:
055121121F
Back Ordered
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sensor Retaining Clip - Priced Each

ES#2586934 - 032121142 - Sensor Retaining Clip - Priced Each - Secures the coolant temperature sensor in place - Rein - Audi Volkswagen

Secures the coolant temperature sensor in place 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2586934
Mfg#:
032121142
Ships in 3 Business Days
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Adapter - Thermostat to Water Pump Housing

ES#2878144 - 037121121A - Adapter - Thermostat to Water Pump Housing - Vaico - Audi Volkswagen

We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2878144
Mfg#:
037121121A
Ships in 1 Business Day
$5.99

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

$4.99 USD

More About Engine Coolant Flanges & Parts

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

Let us help you find the parts that fit your Volkswagen

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