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Audi A4 Engine Coolant Flanges & Parts

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ES#5341095 - 06D121132CKT9 - Engine Coolant Hose Flange 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

Brand:
Rein - Corporate Logo
ES#:
5341095
Mfg#:
06D121132CKT9
Ships in 1 Business Day
$197.99 USD
Free Shipping
on orders $49 and up
ES#2602886 - 06B121132EKT - Cooling Flange Replacement Kit - With Coolant - 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#:
2602886
Mfg#:
06B121132EKT
In Stock
ON SALE! SAVE 11%
$103.99

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

$92.19 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#1041661 - 06E121045R - Cylinder Head Coolant Pipe - Coolant supply pipe for the cylinder heads - Genuine Volkswagen Audi - Audi

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#:
1041661
Mfg#:
06E121045R
In Stock at Vendor
35% off MSRP

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

$276.99

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

$179.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4415626 - 06H121132H - Cylinder Head Cooling Flange  - Located at the rear of cylinder head, includes o-rings - URO - Audi

Located at the rear of cylinder head, includes o-rings 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#:
4415626
Mfg#:
06H121132H
In Stock
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#261234 - 038121119B - Thermostat O-Ring - Ensure a proper seal when installing your new thermostat. 50x4 - Genuine Volkswagen Audi - Audi Volkswagen

Ensure a proper seal when installing your new thermostat. 50x4 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
261234
Mfg#:
038121119B
In Stock
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1876863 - 06D121111G - Thermostat Assembly - Includes sealing o-ring - Mahle-Behr - Audi

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

Brand:
Mahle-Behr - Corporate Logo
ES#:
1876863
Mfg#:
06D121111G
Ships in 1 Business Day
$68.06

This product was last offered at the strikethrough price on
01-22-2026

$59.27 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#280425 - 06D121071R - Hard Coolant Pipe - Located between the coolant flange and upper radiator hose - Genuine Volkswagen Audi - Audi

Located between the coolant flange and upper radiator hose affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280425
Mfg#:
06D121071R
Ships in 1 day
8% off MSRP

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

$154.99

This product was last offered at the strikethrough price on
06-07-2026

$141.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#274529 - 037121687 - Coolant Flange Sealing O-Ring - Priced Each - Install a new o-ring for a proper seal. 36x3.15 - Genuine Volkswagen Audi - Audi Volkswagen

Install a new o-ring for a proper seal. 36x3.15 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Seals the coolant flange to the cylinder head

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
274529
Mfg#:
037121687
In Stock
30% off MSRP

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

$7.08

This product was last offered at the strikethrough price on
06-07-2026

$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#261821 - N0902619 - Hex Bolt - Priced Each - Install new hardware with your new parts. M6x20 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x20 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
261821
Mfg#:
N0902619
In Stock
17% off MSRP

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

$3.38

This product was last offered at the strikethrough price on
06-07-2026

$2.82 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2804114 - 058121132CKT - 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!
For vehicles with AWM engine code only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2804114
Mfg#:
058121132CKT
Ships in 6 Business Days
ON SALE! SAVE 10%
$54.99

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

$49.55 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#261790 - N90687201 - Spring Band Clamp - Priced Each - Ensure a leak free installation. 40x12 - Genuine Volkswagen Audi - Audi Volkswagen

Ensure a leak free installation. 40x12 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
40x12 spring clamp used in many places on your European vehicles cooling system

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
261790
Mfg#:
N90687201
Ships in 2 Business Days
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2804448 - 06B121132E - Cylinder Head Cooling Flange - Located at the rear of cylinder head, includes o-rings - Bremmen Parts - Audi

Located at the rear of cylinder head, includes o-rings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
2804448
Mfg#:
06B121132E
In Stock
ON SALE! SAVE 23%
$17.99

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

$13.86 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2712765 - 058121132C - Cylinder Head Coolant Flange - Located on the back of the cylinder head - Vaico - Audi Volkswagen

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

Brand:
Vaico - Corporate Logo
ES#:
2712765
Mfg#:
058121132C
In Stock at Vendor
$18.99

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

$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#280019 - 06B121119B - Thermostat O-Ring - Ensure a proper seal when installing your new thermostat. 50x3.5mm - Genuine Volkswagen Audi - Audi Volkswagen

Ensure a proper seal when installing your new thermostat. 50x3.5mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280019
Mfg#:
06B121119B
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.

$5.76

This product was last offered at the strikethrough price on
06-07-2026

$5.60 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2801336 - N90687201 - Spring Band Clamp - Priced Each - Ensure a leak free installation. 40x12 - Rein - Audi Volkswagen

Ensure a leak free installation. 40x12 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
40x12 spring clamp used in many places on your European vehicles cooling system

Brand:
Rein - Corporate Logo
ES#:
2801336
Mfg#:
N90687201
In Stock at Vendor
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2865801 - 038121119B - Thermostat O-Ring - Priced Each - Recommended when changing the thermostat - Febi - Audi Volkswagen

Recommended when changing the thermostat affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2865801
Mfg#:
038121119B
In Stock
$5.99 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

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