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Volkswagen Golf Engine Coolant Flanges & Parts

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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)

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
08-19-2026

$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4465367 - 021121050E - Coolant Pipe "Crack Pipe" - Pipe from back of water pump to thermostat housing, goes under intake manifold - Dorman - Volkswagen

Pipe from back of water pump to thermostat housing, goes under intake manifold

Brand:
Dorman - Corporate Logo
ES#:
4465367
Mfg#:
021121050E
In Stock at Vendor
$61.99

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

$58.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Electrical connection to coolant glow plugs Coolant Glow Plug Harness - 3 required

Brand:
Vemo - Corporate Logo
ES#:
4817866
Mfg#:
028971782A
Ships on Dec 15, 2026
$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#285908 - 07K109163A - Thrust Ring - Found between the coolant flange seal and the cylinder head - Genuine Volkswagen Audi - Audi Volkswagen

Found between the coolant flange seal and the cylinder head

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
285908
Mfg#:
07K109163A
Ships in 1-2 days
10% 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
08-19-2026

$53.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4376409 - 022121121E - Thermostat Housing Cover - Common source of coolant leaks around your thermostat - URO - Audi Volkswagen

Common source of coolant leaks around your thermostat 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4376409
Mfg#:
022121121E
Ships in 2 Business Days
$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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 For vehicles with DSG transmission only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2738002
Mfg#:
5Q0122291AB
Ships in 1-2 days
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4348597 - Aut-16v-cf3 - Autoworx Mk2 16v Side coolant flange - Solid Billet 16v Coolant Flange for the side of the head. Single outlet setup. Oring included. - Autobahn Autoworx - Volkswagen

Solid Billet 16v Coolant Flange for the side of the head. Single outlet setup. Oring included.

Brand:
Autobahn Autoworx - Corporate Logo
ES#:
4348597
Mfg#:
AUT-16V-CF3
Special Order: No Guaranteed ETA
$102.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4348596 - Aut-16v-cf1 - Autoworx Mk1 Mk2 16v early side coolant flange - Early style two port 16v coolant flange located on drivers side of the head. - Autobahn Autoworx - Volkswagen

Early style two port 16v coolant flange located on drivers side of the head.

Brand:
Autobahn Autoworx - Corporate Logo
ES#:
4348596
Mfg#:
AUT-16V-CF1
Special Order: No Guaranteed ETA
$102.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4418460 - Autmk1cf1 - Autobahn Autoworx Billet Front Coolant Flange - Solid billet Front coolant flange - Autobahn Autoworx - Volkswagen

Solid billet Front coolant flange

Brand:
Autobahn Autoworx - Corporate Logo
ES#:
4418460
Mfg#:
AUTMK1CF1
Special Order: No Guaranteed ETA
$102.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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 Sep 14, 2026
$99.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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 For Our 25th Anniversary 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
ES#2677915 - 021121117A - Thermostat Housing - Located on the drivers side of the engine. O-rings sold separately. - Vaico - Volkswagen

Located on the drivers side of the engine. O-rings sold separately. We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2677915
Mfg#:
021121117A
In Stock
$48.99

This product was last offered at the strikethrough price on
08-19-2026

$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3536826 - 03L121132Q - Coolant Flange - Flange contains the coolant temperature sensor - URO - Audi Volkswagen

Flange contains the coolant temperature sensor 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3536826
Mfg#:
03L121132Q
Ships in 2 Business Days
$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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
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 For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2738867
Mfg#:
021121050C
Ships in 4 Business Days
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4842641 - 03L121111AC - Thermostat  - This also includes the thermostat housing - URO - Audi Volkswagen

This also includes the thermostat housing 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4842641
Mfg#:
03L121111AC
Ships in 2 Business Days
$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!

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