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Audi Engine Coolant Flanges & Parts

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Cylinder Head Coolant Pipe

ES#4039279 - 06E121045E - Cylinder Head Coolant Pipe - Coolant supply pipe for the cylinder heads - Vaico - Audi

Coolant supply pipe for the cylinder heads 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:
Vaico - Corporate Logo
ES#:
4039279
Mfg#:
06E121045E
Ships in 1 Business Day
$149.99

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

$145.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Return Line

ES#2644216 - 059121731D - Coolant Return Line - A coolant hose that feeds coolant back to the overflow or recovery bottle in a closed loop cooling system. - Genuine Volkswagen Audi - Audi Volkswagen

A coolant hose that feeds coolant back to the overflow or recovery bottle in a closed loop 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
For vehicles with CNRB engine code only (2013+)

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2644216
Mfg#:
059121731D
Ships in 1 day
13% off MSRP

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

$29.99

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

$25.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat

ES#4759987 - 03L121111AC - Thermostat - This also includes the thermostat housing - Bremmen Parts - Audi Volkswagen

This also includes the thermostat housing 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#:
4759987
Mfg#:
03L121111AC
In Stock
ON SALE! SAVE 30%
$63.99

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

$45.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange Kit

ES#4056900 - 06e121161bbKT - Coolant Flange Kit - Located on the front of the engine block. Includes gasket and hardware for a leak free fix! - Genuine Volkswagen Audi - Audi

Located on the front of the engine block. Includes gasket and hardware for a leak free fix! 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#:
4056900
Mfg#:
06E121161BBKT
Ships in 1 day
$173.99

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

$170.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bolt - Priced Each

ES#471890 - N91099101 - Bolt - Priced Each - Install new hardware with your new parts. M6x20 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x20 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
M6x20 bolt used to secure the cooling flange to the cylinder head

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
471890
Mfg#:
N91099101
In Stock
3% off MSRP

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

$5.24

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

$5.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi B7 2.0T Cast Cooling Flange Replacement Kit

ES#4659383 - 06D121132CKT5 - Audi B7 2.0T Cast Cooling Flange Replacement Kit - 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#:
4659383
Mfg#:
06D121132CKT5
In Stock at Vendor
ON SALE! SAVE 50%
$105.99

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

$53.51 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Cylinder Head Coolant Pipe

ES#4818458 - 06E121045J - Cylinder Head Coolant Pipe - Coolant supply pipe for the cylinder heads - Bremmen Parts - Audi

Coolant supply pipe for the cylinder heads 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#:
4818458
Mfg#:
06E121045J
In Stock
ON SALE! SAVE 23%
$107.99

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

$82.99 USD
Free Shipping
on orders $49 and up

Thermostat Assembly

ES#280429 - 06D121111G - Thermostat Assembly - Includes sealing o-ring - Genuine Volkswagen Audi - Audi

Includes sealing o-ring 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#:
280429
Mfg#:
06D121111G
In Stock
$129.22 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cast Aluminum Thermostat Housing Cover

ES#3553459 - 462-121-VR41E - Cast Aluminum Thermostat Housing Cover - Replace your inferior plastic housing cover - iABED Industries - Audi Volkswagen

Replace your inferior plastic housing cover 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:
iABED Industries - Corporate Logo
ES#:
3553459
Mfg#:
462-121-VR41E
Back Ordered
$39.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Supply Pipe - With Bracket

ES#5424554 - 06E121045BB - Coolant Supply Pipe - With Bracket - Main supply pipe that connects to the upper radiator hose and the engine - Hamburg Tech - Audi

Main supply pipe that connects to the upper radiator hose and the engine 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#:
5424554
Mfg#:
06E121045BB
In Stock
$88.99 USD
Free Shipping
on orders $49 and up

Spring Band Clamp - Priced Each

ES#470518 - N90686701 - Spring Band Clamp - Priced Each - Ensure a leak free installation. 14x12mm - Genuine Volkswagen Audi - Audi Volkswagen

Ensure a leak free installation. 14x12mm 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
14x12 spring clamp used in many places on your European vehicles cooling system

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
470518
Mfg#:
N90686701
In Stock
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Coolant Pipe

ES#4818459 - 06E121045T - Cylinder Head Coolant Pipe - Coolant supply pipe for the cylinder heads - Bremmen Parts - Audi

Coolant supply pipe for the cylinder heads 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#:
4818459
Mfg#:
06E121045T
Ships on Apr 21, 2027
ON SALE! SAVE 10%
$131.99

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

$118.79 USD
Free Shipping
on orders $49 and up

Cylinder Head Cooling Flange

ES#4674777 - 06H121132H - Cylinder Head Cooling Flange - Located at the rear of cylinder head, includes o-rings - Febi - Audi

Located at the rear of cylinder head, includes o-rings 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#:
4674777
Mfg#:
06H121132H
In Stock
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Hose O-ring

ES#3132777 - 06E121119H - Thermostat Hose O-ring - Seals the coolant pipe to the thermostat housing. 23x28.4x4.5 - Genuine Volkswagen Audi - Audi

Seals the coolant pipe to the thermostat housing. 23x28.4x4.5 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#:
3132777
Mfg#:
06E121119H
In Stock
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Cooling Flange

ES#2079312 - 06H121132H - Cylinder Head Cooling Flange - Located at the rear of cylinder head, includes o-rings - Genuine Volkswagen Audi - Audi

Located at the rear of cylinder head, includes o-rings 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#:
2079312
Mfg#:
06H121132H
In Stock
9% off MSRP

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

$63.34

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

$57.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Cooling Flange

ES#262894 - 06B121132E - Cylinder Head Cooling Flange - Located at the rear of cylinder head, includes o-rings - Genuine Volkswagen Audi - Audi

Located at the rear of cylinder head, includes o-rings 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#:
262894
Mfg#:
06B121132E
In Stock
10% off MSRP

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

$51.99

This product was last offered at the strikethrough price on
08-11-2026

$46.99 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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