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Audi A4 Engine Cooling Parts

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ES#5388801 - 8D0121403L - Coolant Expansion Tank - Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank - Bremmen Parts - Audi Volkswagen

Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank 10X Entries Into Our F80 M3 Sweepstakes
From VIN 8D-W-007800, split is in the 1998 model year

Brand:
Bremmen Parts - Corporate Logo
ES#:
5388801
Mfg#:
8D0121403L
In Stock
ON SALE! SAVE 15%
$23.99

This product was last offered at the strikethrough price on
09-16-2026

$20.39 USD
Free Shipping
on orders $49 and up
ES#6802 - N90560701 - O-Ring - Priced Each - 30x5 - Ensure a proper seal with a new o-ring - Victor Reinz - Audi

30x5 - Ensure a proper seal with a new o-ring

Brand:
Victor Reinz - Corporate Logo
ES#:
6802
Mfg#:
N90560701
In Stock
$2.03 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#467337 - N10063205 - Hex Bolt - Priced Each - Install new hardware with your new parts. M8x20 - Genuine Volkswagen Audi - Audi

Install new hardware with your new parts. M8x20 Securing bolt for the coolant "J" plug that is on the block.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
467337
Mfg#:
N10063205
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.

$4.86

This product was last offered at the strikethrough price on
06-26-2026

$4.72 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

200Watt 350mm fan that sits behind the radiator We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
3438630
Mfg#:
8K0959455M
Ships in 1 Business Day
$79.99 USD
Free Shipping
ES#1731 - 8D0121275 - Lower Radiator Mount - Priced Each - Stabilizes the radiator within the core support - Genuine Volkswagen Audi - Audi Volkswagen

Stabilizes the radiator within the core support

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1731
Mfg#:
8D0121275
Ships in 1 day
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#471910 - N91106101 - Spring Band Clamp - Priced Each (30x12) - Spring band clamp used in various areas on your European vehicle - Genuine Volkswagen Audi - Audi

Spring band clamp used in various areas on your European vehicle Secures rubber thermostat coolant hose to coolant hard pipe

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
471910
Mfg#:
N91106101
Ships in 1 day
9% off MSRP

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

$10.99

This product was last offered at the strikethrough price on
11-01-2026

$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3190037 - 902-718 - Thermostat - Includes housing and gasket. - Dorman - Audi

Includes housing and gasket.

Brand:
Dorman - Corporate Logo
ES#:
3190037
Mfg#:
902-718
Ships in 4 Business Days
$78.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4326735 - 058121058B - Oil Cooler Hose - Return - Connects the oil cooler to the hard water tube - Meyle - Audi Volkswagen

Connects the oil cooler to the hard water tube 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4326735
Mfg#:
058121058B
In Stock
$9.99

This product was last offered at the strikethrough price on
08-17-2026

$9.85 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2485 - 025906041AKT - Coolant Temperature Sensor With O-Ring - 2 Pin - Blue sensor used by the ECU to control engine fueling - Assembled By ECS - Audi Volkswagen

Blue sensor used by the ECU to control engine fueling 10X Entries Into Our F80 M3 Sweepstakes
From VIN 8D-W-007800 up to VIN 8D-X-199999, splits are in the 1998/1999 model years

Brand:
Assembled By ECS - Corporate Logo
ES#:
2485
Mfg#:
025906041AKT
Ships in 1-3 days
ON SALE!
$11.17 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2581864 - 050121113ckt-2 - Thermostat Replacement Kit - Maintain proper operating temperature with a new thermostat, housing and hardware - Genuine Volkswagen Audi - Audi

Maintain proper operating temperature with a new thermostat, housing and hardware

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2581864
Mfg#:
050121113CKT-2
Ships in 2 Business Days
$83.99

This product was last offered at the strikethrough price on
10-01-2026

$77.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4505138 - 06H121113B - Thermostat - Keep your cooling system efficient - URO - Audi Volkswagen

Keep your cooling system efficient 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For vehicles up to production date 6/3/2012

Brand:
URO - Corporate Logo
ES#:
4505138
Mfg#:
06H121113B
In Stock
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2828552 - 7M0951253A - Multipurpose Relay - Priced Each - Replacement 4 pin relay - URO - Audi Volkswagen Porsche

Replacement 4 pin relay 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Used for fan control

Brand:
URO - Corporate Logo
ES#:
2828552
Mfg#:
7M0951253A
Ships in 1-2 days
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4057465 - N90316802 - Sealing O-Ring - Priced Each - Seal for most clip-in cooling sensors/senders. M19.6x3.6mm - Victor Reinz - Audi Volkswagen

Seal for most clip-in cooling sensors/senders. M19.6x3.6mm

Brand:
Victor Reinz - Corporate Logo
ES#:
4057465
Mfg#:
N90316802
Ships in 2 Business Days
$3.99

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

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4993 - 06C121004H - Water Pump - With gasket and metal impellar - Graf - Audi

With gasket and metal impellar

Brand:
Graf - Corporate Logo
ES#:
4993
Mfg#:
06C121004H
In Stock at Vendor
$83.06

This product was last offered at the strikethrough price on
07-15-2026

$77.07 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4736834 - 06E121139E - Coolant Flange Gasket - Seals the coolant flange to the engine block - Elring - Audi

Seals the coolant flange to the engine block 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
4736834
Mfg#:
06E121139E
In Stock
$11.99

This product was last offered at the strikethrough price on
06-19-2026

$10.99 USD
Free Shipping
on orders $49 and up
ES#4220586 - 8E0121321 - Expansion Tank Cap - Plastic pressure cap for expansion tank - Rein - Audi

Plastic pressure cap for expansion tank 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4220586
Mfg#:
8E0121321
In Stock at Vendor
$18.99 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.

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