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Audi C5 A6 Quattro 2.7T

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Audi C5 A6 Quattro 2.7T Engine Cooling Parts

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Expansion Tank Cap

ES#2709072 - 8E0121321 - Expansion Tank Cap - Plastic pressure cap for expansion tank - URO - Audi

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

Brand:
URO - Corporate Logo
ES#:
2709072
Mfg#:
8E0121321
Ships in 2 Business Days
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Attachment Bolt - Priced Each

ES#10968 - 8D0121200 - Radiator Attachment Bolt - Priced Each - Secures the radiator to the core support - Genuine Volkswagen Audi - Audi

Secures the radiator to the core support

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
10968
Mfg#:
8D0121200
Ships in 3 Business Days
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Gasket

ES#280250 - 06C121043 - Water Pump Gasket - Ensure a proper seal when installing a new water pump - Genuine Volkswagen Audi - Audi

Ensure a proper seal when installing a new water pump From VIN 4B-2-105001, split is in the 2002 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280250
Mfg#:
06C121043
Ships in 3 Business Days
14% off MSRP

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

$20.99

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

$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermal Switch - 2 Pin

ES#2608211 - 357919369F - Thermal Switch - 2 Pin - Located in the coolant pipe that connects to the cylinder head - Febi - Audi Volkswagen

Located in the coolant pipe that connects to the cylinder head We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2608211
Mfg#:
357919369F
Back Ordered
Auto Notify
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Multipurpose Relay - Priced Each

ES#2576222 - 4H0951253 - Multipurpose Relay - Priced Each - Replacement 4 pin relay - Vemo - Audi Volkswagen

Replacement 4 pin relay Used for fan control

Brand:
Vemo - Corporate Logo
ES#:
2576222
Mfg#:
4H0951253
Ships in 1-2 days
$17.99

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

$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Allen Bolt - Priced Each

ES#260059 - N0147455 - Allen Bolt - Priced Each - Install new hardware with your new parts. M6x14 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x14 Secures the fan blade to the clutch

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
260059
Mfg#:
N0147455
Ships on Sep 22, 2026
33% off MSRP

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

$4.90

This product was last offered at the strikethrough price on
09-03-2026

$3.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Lower

Connects the lower radiator port to the thermostat housing

Brand:
Burgaflex - Corporate Logo
ES#:
4349554
Mfg#:
8D0121055T
Ships in 9 Business Days
$15.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap Seal

ES#2598146 - 1H0121687A - Expansion Tank Cap Seal - Seals the expansion tank cap to the reservoir. 28.5x3.8 - Vaico - Audi Volkswagen

Seals the expansion tank cap to the reservoir. 28.5x3.8 We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2598146
Mfg#:
1H0121687A
Ships in 2 Business Days
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sensor Retaining Clip - Priced Each

ES#2865558 - 025121142 - Sensor Retaining Clip - Priced Each - Secures the coolant temperature sensor in place - Febi - Audi Volkswagen

Secures the coolant temperature sensor in place We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2865558
Mfg#:
025121142
Ships in 2 Business Days
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap - Black

ES#3970169 - 5Q0121321 - Expansion Tank Cap - Black - Keep proper pressure in your coolant system - Meyle - Audi Volkswagen Porsche

Keep proper pressure in your coolant system 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
3970169
Mfg#:
5Q0121321
Ships on Sep 23, 2026
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Gasket

ES#3479 - 078121043A - Water Pump Gasket - Ensure a proper seal when installing a new water pump - Victor Reinz - Audi Volkswagen

Ensure a proper seal when installing a new water pump Up to VIN 4B-2-105000, split is in the 2002 model year

Brand:
Victor Reinz - Corporate Logo
ES#:
3479
Mfg#:
078121043A
Ships in 1-2 days
$8.99

This product was last offered at the strikethrough price on
08-13-2026

$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sensor Retaining Clip - Priced Each

ES#2586934 - 032121142 - Sensor Retaining Clip - Priced Each - Secures the coolant temperature sensor in place - Rein - Audi Volkswagen

Secures the coolant temperature sensor in place 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2586934
Mfg#:
032121142
Ships in 4 Business Days
ON SALE! SAVE 22%
$4.99

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

$3.87 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#2802007 - 1J0121321B - Expansion Tank Cap - Keep proper pressure on your coolant - Rein - Audi Volkswagen Porsche

Keep proper pressure on your coolant 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2802007
Mfg#:
1J0121321B
Ships on Sep 23, 2026
ON SALE!
$10.99

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

$10.44 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Multipurpose Relay - Priced Each

ES#2815889 - 4H0951253A - Multipurpose Relay - Priced Each - Replacement 4-pin/40 amp relay - Hamburg Tech - Audi Volkswagen

Replacement 4-pin/40 amp relay We Price Match - Give Us A Call or Chat!
Used for fan control

Brand:
Hamburg Tech - Corporate Logo
ES#:
2815889
Mfg#:
4H0951253A
Ships in 2 Business Days
ON SALE! SAVE 19%
$5.99

This product was last offered at the strikethrough price on
09-03-2026

$4.83 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Switch - 4 Pin

ES#2816315 - 8D0959481B - Auxiliary Fan Switch - 4 Pin - Located on the lower radiator hose connection - Hamburg Tech - Audi Volkswagen

Located on the lower radiator hose connection We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2816315
Mfg#:
8D0959481B
Ships in 2 Business Days
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Multipurpose Relay - Priced Each

ES#4333710 - 7M0951253A - Multipurpose Relay - Priced Each - Meyle - Audi Volkswagen

5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
4333710
Mfg#:
7M0951253A
Ships on Sep 23, 2026
$9.99 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.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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