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Volkswagen Engine Coolant Flanges & Parts

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BFI Billet Water Pipe

ES#3021908 - EBFI24VCP - BFI Billet Water Pipe - Bypass pipe located underneath intake manifold. Designed to be the last water pipe you'll need to replace. - Black Forest Industries - Audi Volkswagen

Bypass pipe located underneath intake manifold. Designed to be the last water pipe you'll need to replace.

Brand:
Black Forest Industries - Corporate Logo
ES#:
3021908
Mfg#:
EBFI24VCP
Ships on Oct 29, 2026
$99.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#3448788 - 022121111G - Thermostat Housing - Includes thermostat, gasket, and temperature sender - Hamburg Tech - Volkswagen

Includes thermostat, gasket, and temperature sender We Price Match - Give Us A Call or Chat!
For vehicles with 3.2L engine only

Brand:
Hamburg Tech - Corporate Logo
ES#:
3448788
Mfg#:
022121111G
Ships in 1 Business Day
$99.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt - Priced Each

ES#469440 - N90280904 - Hex Bolt - Priced Each - Install new hardware with your new parts. M6x22 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x22 Engine codes AEB & ATW. Secures the coolant flange to the cylinder head.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
469440
Mfg#:
N90280904
Ships in 2 Business Days
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#5425901 - 03H121117A - Thermostat Housing - Common point of failure or leaking for the cooling system - Hamburg Tech - Audi Volkswagen

Common point of failure or leaking for the cooling system

Brand:
Hamburg Tech - Corporate Logo
ES#:
5425901
Mfg#:
03H121117A
Ships in 1 Business Day
$98.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange

ES#2737984 - 06K121132 - Coolant Flange - Connects to hose from water pipe - Genuine Volkswagen Audi - Volkswagen

Connects to hose from water pipe

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2737984
Mfg#:
06K121132
Ships in 1 day
14% off MSRP

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

$36.99

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

$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange

ES#3536826 - 03L121132Q - Coolant Flange - Flange contains the coolant temperature sensor - URO - Audi Volkswagen

Flange contains the coolant temperature sensor 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For vehicles with CBEA or CJAA engine codes only

Brand:
URO - Corporate Logo
ES#:
3536826
Mfg#:
03L121132Q
Ships in 1 Business Day
$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Quick Disconnect Coolant Flange

ES#2738002 - 5Q0122291AB - Quick Disconnect Coolant Flange - A y shaped quick disconnect that attached directly to the water pump housing - Genuine Volkswagen Audi - Audi Volkswagen

A y shaped quick disconnect that attached directly to the water pump housing

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2738002
Mfg#:
5Q0122291AB
Ships in 1 day
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt - Priced Each

ES#1834041 - N10644403 - Hex Bolt - Priced Each - Install new hardware with your new parts. M6x22 - Genuine Volkswagen Audi - Volkswagen

Install new hardware with your new parts. M6x22

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1834041
Mfg#:
N10644403
Ships in 2 Business Days
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Coolant Pipe

ES#5446936 - 03H121145A-AL - Aluminum Coolant Pipe - Hose connection found on the back of the block - Hamburg Tech - Volkswagen

Hose connection found on the back of the block

Brand:
Hamburg Tech - Corporate Logo
ES#:
5446936
Mfg#:
03H121145A-AL
Ships in 1 Business Day
$30.99 USD

Thermostat Housing

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

Located on the water pump assembly 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

Autobahn Autoworx Billet Side Coolant Flange

ES#4348604 - Aut-mk1-cf2 - Autobahn Autoworx Billet Side Coolant Flange - Has two sensor ports. Plugs included. - Autobahn Autoworx - Volkswagen

Has two sensor ports. Plugs included.

Brand:
Autobahn Autoworx - Corporate Logo
ES#:
4348604
Mfg#:
AUT-MK1-CF2
Special Order: No Guaranteed ETA
$86.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing Cover

ES#2708826 - 021121121A - Thermostat Housing Cover - Covers the thermostat, located on the coolant flange - URO - Volkswagen

Covers the thermostat, located on the coolant flange 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2708826
Mfg#:
021121121A
In Stock
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Pipe

ES#2738867 - 021121050C - Coolant Pipe - Bypass pipe located underneath intake manifold. Also known as the crack pipe. - URO - Volkswagen

Bypass pipe located underneath intake manifold. Also known as the crack pipe. 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2738867
Mfg#:
021121050C
Ships on Oct 30, 2026
$16.99

This product was last offered at the strikethrough price on
10-06-2026

$9.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling Pipe Adaptor

ES#2709095 - 021121133D - Cooling Pipe Adaptor - Cooling pipe adaptor from crack pipe to thermostat housing - URO - Volkswagen

Cooling pipe adaptor from crack pipe to thermostat housing 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2709095
Mfg#:
021121133D
In Stock
$4.99

This product was last offered at the strikethrough price on
07-14-2026

$3.85 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat

ES#4842641 - 03L121111AC - Thermostat - This also includes the thermostat housing - URO - Audi Volkswagen

This also includes the thermostat housing 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4842641
Mfg#:
03L121111AC
Ships in 1 Business Day
$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#248561 - 022121117C - Thermostat Housing - Common point of failure or leaking for the cooling system - OE Aftermarket - Audi Volkswagen

Common point of failure or leaking for the cooling system

Brand:
OE Aftermarket - Corporate Logo
ES#:
248561
Mfg#:
022121117C
Ships in 3 Business Days
34% off MSRP

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

$60.50

This product was last offered at the strikethrough price on
10-07-2026

$39.99 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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