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Audi RS6 4.2T Engine Cooling Parts

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ES#4818658 - 5Q0121321 - Expansion Tank Cap - Black - Keep proper pressure in your coolant system - Bremmen Parts - Audi Volkswagen Porsche

Keep proper pressure in your coolant system 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818658
Mfg#:
5Q0121321
In Stock
ON SALE! SAVE 20%
$15.99

This product was last offered at the strikethrough price on
11-07-2026

$12.79 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2535421 - 8D0959481B - Auxiliary Fan Switch - 4 Pin - Located on the lower radiator hose connection - URO - Audi Volkswagen

Located on the lower radiator hose connection 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2535421
Mfg#:
8D0959481B
In Stock
$11.83 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3191391 - 4B1819031C - Heater Core - Stop coolant loss and cure a fogged windshield - Nissens - Audi

Stop coolant loss and cure a fogged windshield We Price Match - Give Us A Call or Chat!

Brand:
Nissens - Corporate Logo
ES#:
3191391
Mfg#:
4B1819031C
Ships in 1 day
$163.61 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#261828 - 8D0121403L - Coolant Expansion Tank - Includes integrated coolant level sensor - Meyle - Audi Volkswagen

Includes integrated coolant level sensor 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
261828
Mfg#:
8D0121403L
Ships on Dec 1, 2026
$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2649585 - 077121113D - Thermostat - Prevent overheating and premature engine wear - Mahle-Behr - Audi Volkswagen

Prevent overheating and premature engine wear

Brand:
Mahle-Behr - Corporate Logo
ES#:
2649585
Mfg#:
077121113D
In Stock
$31.99

This product was last offered at the strikethrough price on
10-14-2026

$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4147336 - 30130013 - Fan mounting pin - priced each  - Wire pin used to mount electric fan directly to radiator. - Spal - Audi BMW MINI

Wire pin used to mount electric fan directly to radiator.

Brand:
Spal - Corporate Logo
ES#:
4147336
Mfg#:
30130013
In Stock
13% off MSRP

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

$7.99

This product was last offered at the strikethrough price on
11-08-2026

$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2972929 - 059919501AKT2 -  Coolant Temperature Sensor - Revised green 4 pin sensor, located in the cooling flange located on the side of the cylinder head - Hamburg Tech - Audi Volkswagen

Revised green 4 pin sensor, located in the cooling flange located on the side of the cylinder head We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2972929
Mfg#:
059919501AKT2
In Stock
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2712942 - 078121043A -  Water Pump Gasket - Priced Each - Ensure a proper seal when installing a new water pump - Elring - Audi Volkswagen

Ensure a proper seal when installing a new water pump 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2712942
Mfg#:
078121043A
In Stock
$8.06

This product was last offered at the strikethrough price on
08-28-2026

$6.11 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3419389 - N90316802 - Sealing O-Ring - Priced Each - Seal for most clip-in cooling sensors/senders. M19.6x3.6mm - Rein - Audi Volkswagen

Seal for most clip-in cooling sensors/senders. M19.6x3.6mm 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3419389
Mfg#:
N90316802
In Stock
$2.12 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#11800 - N90136802 - Thermostat O-Ring - Ensure a proper seal when installing your new thermostat - Febi - Audi BMW Volkswagen

Ensure a proper seal when installing your new thermostat We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
11800
Mfg#:
N90136802
Ships in 1-2 days
$1.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2891455 - 811807577C - Expanding Nut - Priced Each - Install new hardware with your new parts. - Vaico - Audi Volkswagen

Install new hardware with your new parts. We Price Match - Give Us A Call or Chat!
Used in securing the coolant expansion tank

Brand:
Vaico - Corporate Logo
ES#:
2891455
Mfg#:
811807577C
In Stock
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2826385 - 077117021Q - Oil Cooler  - Keeps your oil at an optimal temperature - Nissens - Audi

Keeps your oil at an optimal temperature We Price Match - Give Us A Call or Chat!

Brand:
Nissens - Corporate Logo
ES#:
2826385
Mfg#:
077117021Q
Ships in 1 Business Day
$126.99

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

$123.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#1906430 - 032121142 - Sensor Retaining Clip - Priced Each - Secures the coolant temperature sensor in place. - MTC - Audi Volkswagen

Secures the coolant temperature sensor in place.

Brand:
MTC - Corporate Logo
ES#:
1906430
Mfg#:
032121142
In Stock
$2.03 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2594857 - 8D0121403L - Coolant Expansion Tank - Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank - Febi - Audi Volkswagen

Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2594857
Mfg#:
8D0121403L
Ships in 1 Business Day
$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2696212 - V99-1005 - Coolant Tester - Make sure your coolant is safe from freezing! - Vaico - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Make sure your coolant is safe from freezing! We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2696212
Mfg#:
V99-1005
Back Ordered
$50.99

This product was last offered at the strikethrough price on
06-09-2026

$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4940095 - 032121142 - Sensor Retaining Clip - Priced Each - Used for ECS 2.0T boost taps - Bremmen Parts - Audi Volkswagen

Used for ECS 2.0T boost taps 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4940095
Mfg#:
032121142
In Stock
ON SALE! SAVE 40%
$1.99

This product was last offered at the strikethrough price on
11-07-2026

$1.20 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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