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Audi C5 S6 Quattro 4.2

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Audi C5 S6 Quattro 4.2 Engine Cooling Parts

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Expansion Tank Cap

ES#2561872 - 1J0121321B - Expansion Tank Cap - Keep proper pressure on your coolant - Meyle - Audi

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

Brand:
Meyle - Corporate Logo
ES#:
2561872
Mfg#:
1J0121321B
Ships on Sep 23, 2026
$7.54 USD
Free Shipping
on orders $49 and up

Expansion Tank

ES#2814304 - 1J0121321B - Expansion Tank - Keep proper pressure in your coolant system - Hamburg Tech - Audi Volkswagen

Keep proper pressure in your coolant system We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2814304
Mfg#:
1J0121321B
Ships in 1 Business Day
ON SALE! SAVE 25%
$4.99

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

$3.76 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#2815697 - 3B0121321 - Expansion Tank Cap - Keep proper pressure in your coolant system - Hamburg Tech - Audi Volkswagen

Keep proper pressure in your coolant system We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2815697
Mfg#:
3B0121321
Ships in 1 Business Day
ON SALE! SAVE 10%
$7.99

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

$7.16 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

HOLDING CLIP

2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2801984
Mfg#:
32121142
Ships in 3 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

Cooling Hose Retaining Clip - Priced Each

ES#4941347 - 1J0121142 - Cooling Hose Retaining Clip - Priced Each - Secures the radiator hose flange in place. 32mm - Bremmen Parts - Audi Volkswagen

Secures the radiator hose flange in place. 32mm 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4941347
Mfg#:
1J0121142
Back Ordered
Auto Notify
ON SALE! SAVE 57%
$1.99

This product was last offered at the strikethrough price on
05-02-2026

$0.86 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CSF Universal Large Single-Pass Cooler

ES#5470103 - 8371 - CSF Universal Large Single-Pass Cooler - Universal cooler used for: engine oil, transmission oil, power-steering, differential oil, and as a water/coolant heat exchanger. - CSF - Audi BMW Volkswagen Mercedes Benz MINI

Universal cooler used for: engine oil, transmission oil, power-steering, differential oil, and as a water/coolant heat exchanger. 2X Entries Into Our F80 M3 Sweepstakes
Universal fitment design - modifications may be necessary to run this cooler

Brand:
CSF - Corporate Logo
ES#:
5470103
Mfg#:
8371
Ships in 3 Business Days
$499.00 USD
Free Shipping

Auxiliary Fan Assembly - 280mm

ES#3189426 - 620-831 - Auxiliary Fan Assembly - 280mm - 300W with round 2 pin connector - Dorman - Audi Volkswagen

300W with round 2 pin connector

Brand:
Dorman - Corporate Logo
ES#:
3189426
Mfg#:
620-831
Ships in 4 Business Days
$134.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#2686 - 077121004M - Water Pump - Keep your cooling system operating properly - Graf - Audi

Keep your cooling system operating properly

Brand:
Graf - Corporate Logo
ES#:
2686
Mfg#:
077121004M
Ships in 1 Business Day
$69.06 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2816314
Mfg#:
8D0959455R
Ships in 1 Business Day
ON SALE! SAVE 10%
$131.99

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

$118.21 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat

Prevent overheating and premature engine wear

Brand:
Wahler - Corporate Logo
ES#:
2738308
Mfg#:
077121113D
Ships in 1-2 days
$45.99

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

$44.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Clutch

ES#2090904 - 077121350D - Radiator Fan Clutch - A common source of overheating - MTC - Audi

A common source of overheating

Brand:
MTC - Corporate Logo
ES#:
2090904
Mfg#:
077121350D
Ships in 10 Business Days
$58.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Assembly - 280mm

ES#3970617 - 8D0959455R - Auxiliary Fan Assembly - 280mm - 300W with round 2 pin connector - Meyle - Audi Volkswagen

300W with round 2 pin connector 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
3970617
Mfg#:
8D0959455R
Ships on Sep 23, 2026
$92.99 USD
Free Shipping
on orders $49 and up

Water Pump

ES#250283 - 077121004P - Water Pump - Featuring a metal impeller - Meyle - Audi Volkswagen

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

Brand:
Meyle - Corporate Logo
ES#:
250283
Mfg#:
077121004P
Ships on Sep 23, 2026
$81.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Control Unit

ES#3979047 - 8D0959501D - Auxiliary Fan Control Unit - Controls the actuation of the radiator fan - Meyle - Audi

Controls the actuation of the radiator fan 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
3979047
Mfg#:
8D0959501D
Ships on Sep 23, 2026
$452.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

Keep your coolant flowing to prevent overheating

Brand:
Gates - Corporate Logo
ES#:
3234862
Mfg#:
077121004M
Ships on Sep 25, 2026
$91.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling Fan Assembly

We Price Match - Give Us A Call or Chat!

Brand:
VDO - Corporate Logo
ES#:
4415149
Mfg#:
8D0959455R
Special Order: No Guaranteed ETA
$104.99 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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Manufacturer names and/or part numbers are used only for identification purposes.

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