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Audi A4 Engine Cooling Parts

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Radiator Installation Kit

ES#2586570 - 8E0121251A1KT - Radiator Installation Kit - Includes everything you need to install a new radiator - Genuine Volkswagen Audi - Audi

Includes everything you need to install a new radiator

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2586570
Mfg#:
8E0121251A1KT
Ships in 2 Business Days
$389.99

This product was last offered at the strikethrough price on
05-04-2026

$388.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Thermostat Assembly

ES#2813056 - 06C121111C - Thermostat Assembly - Housing included - Hamburg Tech - Audi

Housing included We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813056
Mfg#:
06C121111C
Ships in 1 Business Day
$46.99 USD
Free Shipping
on orders $49 and up

Auxiliary Fan Assembly - 280mm

ES#2816314 - 8D0959455R - Auxiliary Fan Assembly - 280mm - 300W with round 2 pin connector - Hamburg Tech - Audi Volkswagen

300W with round 2 pin connector We Price Match - Give Us A Call or Chat!
Valeo style assembly, please check existing manufacturer for proper fitment

Brand:
Hamburg Tech - Corporate Logo
ES#:
2816314
Mfg#:
8D0959455R
Ships in 1 Business Day
$131.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Cooling Flange

ES#3520844 - 06B121132E - Cylinder Head Cooling Flange - Located at the rear of cylinder head, includes o-rings - Holstein - Audi

Located at the rear of cylinder head, includes o-rings

Brand:
Holstein - Corporate Logo
ES#:
3520844
Mfg#:
06B121132E
Ships in 1 Business Day
$15.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Radiator

ES#1306566 - 8D0121251M - Radiator - Fix leaks and keep your cooling system efficient - Nissens - Audi Volkswagen

Fix leaks and keep your cooling system efficient We Price Match - Give Us A Call or Chat!

Brand:
Nissens - Corporate Logo
ES#:
1306566
Mfg#:
8D0121251M
In Stock at Vendor
$223.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 87C

ES#4810572 - 078121113F - Thermostat - 87C - Prevent overheating and premature engine wear - Rein - Audi Volkswagen

Prevent overheating and premature engine wear 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4810572
Mfg#:
078121113F
Ships in 3 Business Days
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Coolant Pipe

ES#4809714 - 06E121045R - Cylinder Head Coolant Pipe - Coolant supply pipe for the cylinder heads - Rein - Audi

Coolant supply pipe for the cylinder heads 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4809714
Mfg#:
06E121045R
Ships in 3 Business Days
$167.99 USD
Free Shipping
on orders $49 and up

Cylinder Head Coolant Pipe

ES#4899522 - 06E121045J - Cylinder Head Coolant Pipe - Coolant supply pipe for the cylinder heads - Rein - Audi

Coolant supply pipe for the cylinder heads 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4899522
Mfg#:
06E121045J
Ships in 3 Business Days
$91.99 USD
Free Shipping
on orders $49 and up

Water Pump Module - Plastic

ES#5341456 - 06H121026DDP - Water Pump Module - Plastic - Includes the thermostat, temp sensor, and gasket - Rein - Audi Volkswagen

Includes the thermostat, temp sensor, and gasket 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Rein - Corporate Logo
ES#:
5341456
Mfg#:
06H121026DDP
Ships in 3 Business Days
$415.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ultimate Timing Belt Kit

ES#4152005 - RCW0002 - Ultimate Timing Belt Kit - Complete kit to service your timing belt, water pump, and thermostat - Rein - Audi

Complete kit to service your timing belt, water pump, and thermostat 2X Entries For Our 25th Anniversary Sweepstakes!
Engine codes AEB & ATW

Brand:
Rein - Corporate Logo
ES#:
4152005
Mfg#:
RCW0002
Ships in 3 Business Days
$479.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

THERMOSTAT ASSEMBLY 100C

ES#4151133 - 06B121111K - THERMOSTAT ASSEMBLY 100C - Rein - Audi

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

Brand:
Rein - Corporate Logo
ES#:
4151133
Mfg#:
06B121111K
Ships in 3 Business Days
$111.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant T Connector

ES#4899607 - N90692901 - Coolant T Connector - Connects to the lower radiator hose - Rein - Audi Volkswagen

Connects to the lower radiator hose 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Connects lower radiator hose to the coolant expansion tank hose and water pump hose

Brand:
Rein - Corporate Logo
ES#:
4899607
Mfg#:
N90692901
Ships in 3 Business Days
$9.99 USD
Free Shipping
on orders $49 and up

Thermostat - 80°C

ES#4220573 - 075121113D - Thermostat - 80C - Does not include sealing O-Ring - Rein - Audi Volkswagen

Does not include sealing O-Ring 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Lower temperature thermostat, stock is 87°C

Brand:
Rein - Corporate Logo
ES#:
4220573
Mfg#:
075121113D
Ships in 3 Business Days
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Core Hose - Return

ES#4810183 - 8K1819371AB - Heater Core Hose - Return - Connects the heater core to the hard water pipe - Rein - Audi

Connects the heater core to the hard water pipe 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Up to the 2012 model year

Brand:
Rein - Corporate Logo
ES#:
4810183
Mfg#:
8K1819371AB
Ships in 3 Business Days
$108.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor With O-Ring & Clip - 4 Pin

ES#2762348 - 059919501KT3 - Coolant Temperature Sensor With O-Ring & Clip - 4 Pin - Blue sensor with square connector. Please check existing sensor color - URO - Audi

<font color='blue'>Blue</font> sensor with square connector. Please check existing sensor color 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2762348
Mfg#:
059919501KT3
Ships in 1 Business Day
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Assembly

ES#4872242 - 06C121111E - Thermostat Assembly - Housing included - URO - Audi

Housing included 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4872242
Mfg#:
06C121111E
Ships in 1 Business Day
$28.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Cooling Parts

Optimize your engine cooling system performance and heater output with quality drive belts, coolant hoses, cooling system parts, and approved coolant fluids from ECS Tuning. Head off expensive repairs and untimely breakdowns with regularly scheduled cooling system inspection and maintenance.

Let us help you find the parts that fit your Audi

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Manufacturer names and/or part numbers are used only for identification purposes.

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