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Audi Engine Coolant Flanges & Parts

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Round Seal - Priced Each

ES#4685659 - 06E121119K - Round Seal - Priced Each - Install a new o-ring for a proper seal. 31.9x3.3x5.3 - Victor Reinz - Audi

Install a new o-ring for a proper seal. 31.9x3.3x5.3

Brand:
Victor Reinz - Corporate Logo
ES#:
4685659
Mfg#:
06E121119K
In Stock
$6.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Coolant Hose Adapter

ES#2861260 - 5Q0122291DA - Thermostat Coolant Hose Adapter - Used between the water pump and main coolant distribution hoses. - Genuine Volkswagen Audi - Audi Volkswagen

Used between the water pump and main coolant distribution hoses.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2861260
Mfg#:
5Q0122291DA
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.

$58.99

This product was last offered at the strikethrough price on
07-25-2026

$52.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Cooling Flange

ES#3514664 - 06F121132H - Cylinder Head Cooling Flange - Common area for coolant leaks - Located on cylinder head - URO - Audi Volkswagen

Common area for coolant leaks - Located on cylinder head 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with FSI engines only

Brand:
URO - Corporate Logo
ES#:
3514664
Mfg#:
06F121132H
In Stock
$39.09 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 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

Sealing O-Ring - Priced Each

ES#3683 - N90365302 - Sealing O-Ring - Priced Each - Install a new o-ring for a proper seal. 20X3 - Corteco - Audi Volkswagen

Install a new o-ring for a proper seal. 20X3 O-Ring for the faulty coolant "J-Plug" that is located next to the thermostat.

Brand:
Corteco - Corporate Logo
ES#:
3683
Mfg#:
N90365302
In Stock
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Assembly

ES#5396343 - 079121115BL - Thermostat Assembly - Includes sealing gasket and housing - URO - Audi

Includes sealing gasket and housing 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
URO - Corporate Logo
ES#:
5396343
Mfg#:
079121115BL
In Stock
ON SALE!
$172.49

This product was last offered at the strikethrough price on
06-25-2026

$163.87 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Coolant Pipe O-Ring Kit

ES#2804551 - N90560701KT - Cylinder Head Coolant Pipe O-Ring Kit - Includes all O-rings for the cylinder head coolant pipe - Assembled By ECS - Audi

Includes all O-rings for the cylinder head coolant pipe 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2804551
Mfg#:
N90560701KT
In Stock
ON SALE! SAVE 26%
$28.99

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

$21.37 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat OE# 06F121111F

ES#3173594 - 06F121111F - Thermostat OE# 06F121111F - Complete assembly including housing - Bremmen Parts - Audi Volkswagen

Complete assembly including housing 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
3173594
Mfg#:
06F121111F
In Stock
ON SALE! SAVE 20%
$40.99

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

$32.63 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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
284780
Mfg#:
079121071AA
Ships in 7 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
07-25-2026

$919.99 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 For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4759987
Mfg#:
03L121111AC
In Stock
ON SALE! SAVE 21%
$63.99

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

$50.58 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Coolant Hose Flange Kit

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. 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Rein - Corporate Logo
ES#:
5341095
Mfg#:
06D121132CKT9
Ships in 1 Business Day
$197.99 USD
Free Shipping
on orders $49 and up

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 For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818458
Mfg#:
06E121045J
In Stock
ON SALE! SAVE 21%
$107.99

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

$85.67 USD
Free Shipping
on orders $49 and up

Cooling System Bypass Line Adapter

ES#4759384 - 059121737AM - Cooling System Bypass Line Adapter - Bolts to the oil cooler - URO - Audi Volkswagen

Bolts to the oil cooler 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4759384
Mfg#:
059121737AM
In Stock
$63.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat/Water Pump Kit

ES#5481085 - 06l121111jKT - Thermostat/Water Pump Kit - Everything you need to replace your thermostat/water pump - Ina - Audi Volkswagen Porsche

Everything you need to replace your thermostat/water pump

Brand:
Ina - Corporate Logo
ES#:
5481085
Mfg#:
06L121111JKT
In Stock
$399.99

This product was last offered at the strikethrough price on
06-18-2026

$382.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Thermostat

ES#2539277 - 06F121111F - Thermostat - Complete assembly including housing - Mahle-Behr - Audi Volkswagen

Complete assembly including housing

Brand:
Mahle-Behr - Corporate Logo
ES#:
2539277
Mfg#:
06F121111F
Ships in 1-2 days
$70.68 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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