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Audi A4 Engine Cooling Parts

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Sealing O-Ring - Priced Each

ES#2801566 - WHT006407 - Sealing O-Ring - Priced Each - Install a new o-ring for a proper seal. 20x3 - Rein - Audi Volkswagen

Install a new o-ring for a proper seal. 20x3 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Seals the coolant return pipe for AWM engine code only

Brand:
Rein - Corporate Logo
ES#:
2801566
Mfg#:
WHT006407
In Stock at Vendor
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Lower

ES#2731898 - 4B0121055J - Radiator Hose - Lower - Connects the lower radiator port to the water pump and expansion tank - Rein - Audi Volkswagen

Connects the lower radiator port to the water pump and expansion tank 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2731898
Mfg#:
4B0121055J
Ships in 4 Business Days
$103.99 USD
Free Shipping
on orders $49 and up

Engine Oil Cooler

ES#2561352 - 06D117021C - Engine Oil Cooler - Lowers engine oil temperature - Vemo - Audi Volkswagen

Lowers engine oil temperature

Brand:
Vemo - Corporate Logo
ES#:
2561352
Mfg#:
06D117021C
Ships in 2 Business Days
$106.99

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

$103.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#2535060 - 078121006 - Water Pump - Featuring a metal impeller, includes O-Ring - URO - Audi Volkswagen

Featuring a metal impeller, includes O-Ring 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2535060
Mfg#:
078121006
Ships in 2 Business Days
$51.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Core Hose - Return

ES#4818195 - 8D0819373N - Heater Core Hose - Return - Connects the heater core to the hard water pipe - URO - Audi Volkswagen

Connects the heater core to the hard water pipe 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
From VIN 8D-V-143893, split is in the 1997 model year

Brand:
URO - Corporate Logo
ES#:
4818195
Mfg#:
8D0819373N
Ships in 2 Business Days
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Assembly - 280mm

ES#2539246 - 8D0959455C - Auxiliary Fan Assembly - 280mm - 300W with round 2 pin connector, Valeo style fans - VDO - Audi Volkswagen

300W with round 2 pin connector, Valeo style fans We Price Match - Give Us A Call or Chat!

Brand:
VDO - Corporate Logo
ES#:
2539246
Mfg#:
8D0959455C
Ships in 3 Business Days
$105.99

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

$102.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

PIPE

ES#3133127 - 06H121085L - PIPE - Genuine Volkswagen Audi - Audi

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3133127
Mfg#:
06H121085L
Ships in 3 Business Days
7% off MSRP

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

$110.99

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

$102.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor - 2 Pin

ES#2627557 - 025906041A - Coolant Temperature Sensor - 2 Pin - Blue sensor used by the ECU to control engine fueling - Rein - Audi Volkswagen

Blue sensor used by the ECU to control engine fueling 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
From VIN 8D-W-007800 up to VIN 8D-X-199999, splits are in the 1998/1999 model years

Brand:
Rein - Corporate Logo
ES#:
2627557
Mfg#:
025906041A
In Stock
$9.99

This product was last offered at the strikethrough price on
08-31-2026

$9.36 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Low Temp Thermostat - 80 Degree C

ES#4858161 - 034-102-7001 - Low Temp Thermostat - 80 Degree C - Get faster coolant circulation through the radiator for cooler running. - 034Motorsport - Audi Volkswagen

Get faster coolant circulation through the radiator for cooler running. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4858161
Mfg#:
034-102-7001
Back Ordered
$51.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#3658435 - 8K0121403AC - Coolant Expansion Tank - Plastic reservoir for the coolant system - Rein - Audi Porsche

Plastic reservoir for the coolant system 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3658435
Mfg#:
8K0121403AC
Ships in 4 Business Days
$58.99

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

$33.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Multipurpose Relay - Priced Each

ES#2801195 - 8E0951253 - Multipurpose Relay - Priced Each - Replacement 4 pin relay - Meistersatz - Audi Volkswagen

Replacement 4 pin relay Used for fan control

Brand:
Meistersatz - Corporate Logo
ES#:
2801195
Mfg#:
8E0951253
In Stock at Vendor
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Universal 14" Electric Fan - Black

ES#2764292 - MMFAN14 - Universal 14" Electric Fan - Black - 954 CFM - 5.6 amps at 12.3 volts - Mishimoto - Audi BMW Volkswagen MINI

954 CFM - 5.6 amps at 12.3 volts

Brand:
Mishimoto - Corporate Logo
ES#:
2764292
Mfg#:
MMFAN14
In Stock
$100.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Water Pump

ES#2894864 - 06C121601 - Auxiliary Water Pump - Additional electric water pump - Vemo - Audi

Additional electric water pump

Brand:
Vemo - Corporate Logo
ES#:
2894864
Mfg#:
06C121601
Ships in 2 Business Days
$303.99

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

$100.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#3149400 - 06C121004H - Water Pump - Featuring a metal impeller and includes a metal gasket - Rein - Audi

Featuring a metal impeller and includes a metal gasket 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3149400
Mfg#:
06C121004H
Back Ordered
$100.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler O-Ring

ES#2776 - 038117070A - Oil Cooler O-Ring - Seals the connection between the oil cooler and the filter adapter. 59x5 - Victor Reinz - Audi Volkswagen

Seals the connection between the oil cooler and the filter adapter. 59x5

Brand:
Victor Reinz - Corporate Logo
ES#:
2776
Mfg#:
038117070A
Ships in 4 Business Days
$3.05 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Pipe O-Ring - Priced Each

ES#3419348 - N90765301 - Coolant Pipe O-Ring - Priced Each - Provides seal from metal to plastic cooling line end fitting. 32X4 - Rein - Audi Volkswagen

Provides seal from metal to plastic cooling line end fitting. 32X4 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3419348
Mfg#:
N90765301
Ships in 2 Business Days
$1.01 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.

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