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Audi Engine Coolant Flanges & Parts

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Coolant Shut Off Valve

ES#5469770 - 06M121678H - Coolant Shut Off Valve - Controls the circulation of coolant within the engine via vacuum - Hamburg Tech - Audi

Controls the circulation of coolant within the engine via vacuum Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Hamburg Tech - Corporate Logo
ES#:
5469770
Mfg#:
06M121678H
Ships in 2 Business Days
$109.99 USD
Free Shipping
on orders $49 and up

Thermostat Housing Cover

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 Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
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

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 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Seals the thermostat housing to the water pump

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2663663
Mfg#:
WHT005190
Ships in 1-2 days
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Assembly

ES#4899146 - 079121115BL - Thermostat Assembly - Includes sealing gasket and housing - Vemo - Audi

Includes sealing gasket and housing Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Vemo - Corporate Logo
ES#:
4899146
Mfg#:
079121115BL
Ships on Dec 22, 2026
$104.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Water Pipe Gasket - Priced Each

ES#284790 - 079121091D - Cylinder Head Water Pipe Gasket - Priced Each - Gasket for the cylinder head flange/water pipe - Two required - Genuine Volkswagen Audi - Audi

Gasket for the cylinder head flange/water pipe - Two required Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
284790
Mfg#:
079121091D
In Stock
33% off MSRP

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

$11.85

This product was last offered at the strikethrough price on
10-28-2026

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

Coolant Flange

ES#2712774 - 06A121132AP - Coolant Flange - Located on the driver side of the cylinder head, this pipe contains the coolant temperature sensor - Vaico - Audi Volkswagen

Located on the driver side of the cylinder head, this pipe contains the coolant temperature sensor Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!
For engine codes ATC & AWP - with manual transmission

Brand:
Vaico - Corporate Logo
ES#:
2712774
Mfg#:
06A121132AP
Ships in 2 Business Days
$11.20 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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. Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Black Forest Industries - Corporate Logo
ES#:
3021908
Mfg#:
EBFI24VCP
Ships on Nov 20, 2026
$99.99 USD
Free Shipping
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 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Engine codes AEB & ATW. Secures the thermostat housing to the water pump

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
469440
Mfg#:
N90280904
Ships in 3 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 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Hamburg Tech - Corporate Logo
ES#:
5425901
Mfg#:
03H121117A
Ships in 2 Business Days
$98.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upper Coolant Flange Union

ES#3627515 - 06M121137AD - Upper Coolant Flange Union - Includes o-ring seal - Genuine Volkswagen Audi - Audi

Includes o-ring seal Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3627515
Mfg#:
06M121137AD
Ships in 3 Business Days
13% off MSRP

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

$113.99

This product was last offered at the strikethrough price on
08-31-2026

$98.99 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 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

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

Audi B7 2.0T Cast Coolant Flange Replacement Kit - With Coolant

ES#4659388 - 06D121132CKT6 - Audi B7 2.0T Cast Coolant Flange Replacement Kit - With Coolant - Cure the common coolant leak coming from the back of your engine compartment once and for all! - Assembled By ECS - Audi

Cure the common coolant leak coming from the back of your engine compartment once and for all! 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Assembled By ECS - Corporate Logo
ES#:
4659388
Mfg#:
06D121132CKT6
Ships in 2 Business Days
ON SALE! SAVE 38%
$153.99

This product was last offered at the strikethrough price on
10-08-2026

$94.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Cooling Flange Replacement Kit

ES#2804122 - 058121132KT1 - Cooling Flange Replacement Kit - Cure the common coolant leak coming from the back of your engine compartment - Assembled By ECS - Audi

Cure the common coolant leak coming from the back of your engine compartment 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
For vehicles with AEB & ATW engine codes with D-shaped coolant temp sensor

Brand:
Assembled By ECS - Corporate Logo
ES#:
2804122
Mfg#:
058121132KT1
Ships in 3 Business Days
ON SALE! SAVE 16%
$54.99

This product was last offered at the strikethrough price on
05-02-2026

$46.46 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 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

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

Oil Pump O-ring

ES#472846 - WHT003731 - Oil Pump O-ring - Keep your oil from oil pump where it's meant! - Genuine Volkswagen Audi - Audi

Keep your oil from oil pump where it's meant! Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
472846
Mfg#:
WHT003731
Ships in 1-2 days
15% off MSRP

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

$52.99

This product was last offered at the strikethrough price on
08-31-2026

$44.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sensor Retaining Clip - Priced Each

ES#4940095 - 032121142 - Sensor Retaining Clip - Priced Each - Used for ECS 2.0T boost taps - Bremmen Parts - Audi Volkswagen

Used for ECS 2.0T boost taps 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Bremmen Parts - Corporate Logo
ES#:
4940095
Mfg#:
032121142
In Stock
ON SALE! SAVE 50%
$1.99

This product was last offered at the strikethrough price on
05-02-2026

$0.99 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 Audi Engine Coolant Flanges & Parts

Let us help you find the parts that fit your Audi

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