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Audi B7 Engine Coolant Flanges & Parts

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Coolant Flange Replacement Kit

ES#4023737 - CHS0648 - Coolant Flange Replacement Kit - A comprehensive kit designed to service the commonly failing cooling system components in a single repair. - Rein - Audi

A comprehensive kit designed to service the commonly failing cooling system components in a single repair. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4023737
Mfg#:
CHS0648
In Stock
$165.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Cast Aluminum Coolant Flange Upgrade Kit

ES#4753366 - 06d121132C-KT - ECS Cast Aluminum Coolant Flange Upgrade Kit - A comprehensive kit designed to service the commonly failing cooling system components in a single repair. Includes our heavy duty cast aluminum coolant flange. - ECS - Audi

A comprehensive kit designed to service the commonly failing cooling system components in a single repair. Includes our heavy duty cast aluminum coolant flange. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4753366
Mfg#:
06D121132C-KT
Ships on Jul 9, 2026
Auto Notify
ON SALE! SAVE 21%
$223.99

This product was last offered at the strikethrough price on
01-03-2026

$177.36 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi B7 2.0T - Cast Aluminum Coolant Flange With O-Ring (06D121132C)

ES#4389096 - 012312LA01 - Audi B7 2.0T - Cast Aluminum Coolant Flange With O-Ring (06D121132C) - Cast aluminum housing replaces factory plastic component that is likely to crack - ECS - Audi

Cast aluminum housing replaces factory plastic component that is likely to crack affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4389096
Mfg#:
012312LA01
Ships on Jul 9, 2026
Auto Notify
ON SALE! SAVE 15%
$80.99

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

$68.84 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upgraded Aluminum Coolant Hose Flange

ES#4907691 - 06D121132C - Upgraded Aluminum Coolant Hose Flange - Located rear engine, this flange houses the temp sensor - Rein - Audi

Located rear engine, this flange houses the temp sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Rein - Corporate Logo
ES#:
4907691
Mfg#:
06D121132C
In Stock
$42.99 USD
Free Shipping
on orders $49 and up

Integrated Thermostat Housing Assembly

ES#4900436 - 946-189 - Integrated Thermostat Housing Assembly - Includes thermostat and housing. - MotoRad - Audi

Includes thermostat and housing. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
MotoRad
ES#:
4900436
Mfg#:
946-189
In Stock at Vendor
$504.63

This product was last offered at the strikethrough price on
02-16-2026

$484.02 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Bolt - Priced Each

ES#261191 - N90735604 - Bolt - Priced Each - Install new hardware with your new parts. M7x28 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M7x28 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Secures thermostat housing to engine block - 2 needed total

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
261191
Mfg#:
N90735604
In Stock
2% off MSRP

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

$4.18

This product was last offered at the strikethrough price on
06-04-2026

$4.09 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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4659383
Mfg#:
06D121132CKT5
Ships on Jul 9, 2026
Auto Notify
ON SALE! SAVE 15%
$105.99

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

$90.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Assembly

ES#2804445 - 06D121111G - Thermostat Assembly - Includes sealing o-ring - Bremmen Parts - Audi

Includes sealing o-ring affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
2804445
Mfg#:
06D121111G
In Stock
ON SALE! SAVE 20%
$47.99

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

$38.34 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Assembly

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

Includes sealing o-ring affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280429
Mfg#:
06D121111G
Ships in 1 day
$128.64 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Hexagon Socket Head Bolt - Priced Each

ES#467456 - N10124306 - Hexagon Socket Head Bolt - Priced Each - M6x20 bolt used in various areas on your European vehicle - Genuine Volkswagen Audi - Audi Volkswagen

M6x20 bolt used in various areas on your European vehicle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Secures cooling flange/water pipe to cylinder heads

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
467456
Mfg#:
N10124306
In Stock
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Aluminum Coolant Flange

ES#4723178 - 06E121168- AL - Aluminum Coolant Flange - Located on the engine block - Hamburg Tech - Audi

Located on the engine block affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
4723178
Mfg#:
06E121168- AL
In Stock
$49.99 USD
Free Shipping
on orders $49 and up

Cooling Flange Replacement Kit

ES#2770995 - 06D121132CKT2 - 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2770995
Mfg#:
06D121132CKT2
In Stock
ON SALE! SAVE 26%
$48.99

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

$36.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange Replacement Kit

ES#4789435 - 06d121132ckt8KT - Coolant Flange Replacement Kit - A comprehensive kit designed to service the commonly failing cooling system components in a single repair. - Assembled By ECS - Audi

A comprehensive kit designed to service the commonly failing cooling system components in a single repair. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4789435
Mfg#:
06D121132CKT8KT
In Stock
ON SALE! SAVE 12%
$142.99

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

$125.66 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Coolant Pipe

ES#284780 - 079121071AA - Cylinder Head Coolant Pipe - This hard pipe is the coolant supply pipe for the cylinder heads - Genuine Volkswagen Audi - Audi

This hard pipe is the coolant supply pipe for the cylinder heads affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
284780
Mfg#:
079121071AA
Ships in 5 Business Days
5% off MSRP

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

$969.99

This product was last offered at the strikethrough price on
02-26-2026

$919.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose Flange

ES#2216587 - 06D121132C - Coolant Hose Flange - Located rear engine, this flange houses the temp sensor - Genuine Volkswagen Audi - Audi

Located rear engine, this flange houses the temp sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2216587
Mfg#:
06D121132C
In Stock at Vendor
5% off MSRP

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

$63.99

This product was last offered at the strikethrough price on
06-04-2026

$60.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange

ES#4506137 - 06E121168B - Coolant Flange - Located on the engine block - URO - Audi

Located on the engine block affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4506137
Mfg#:
06E121168B
In Stock
$50.99 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!

Let us help you find the parts that fit your Audi

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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