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Audi S4 Engine Cooling Fans & Parts

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Auxiliary Fan Assembly

ES#3980450 - 4Z7959455 - Auxiliary Fan Assembly - Larger diameter fan on the left side - Magneti Marelli - Audi

Larger diameter fan on the left side affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Magneti Marelli - Corporate Logo
ES#:
3980450
Mfg#:
4Z7959455
Ships in 1 Business Day
$105.65 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Switch (87-93°C) - 3 Pin

ES#1695 - 251959481K - Auxiliary Fan Switch (87-93C) - 3 Pin - Located on the lower side of the radiator, comes with paper gasket - Wahler - Audi Volkswagen

Located on the lower side of the radiator, comes with paper gasket affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Wahler - Corporate Logo
ES#:
1695
Mfg#:
251959481K
In Stock at Vendor
$39.99

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

$38.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sealing O-Ring - Priced Each

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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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

Cooling Fan Assembly

ES#4415012 - 4B3959457 - Cooling Fan Assembly - VDO - Audi

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
VDO - Corporate Logo
ES#:
4415012
Mfg#:
4B3959457
Special Order: No Guaranteed ETA
$178.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Assembly

ES#2816311 - 8D0959455D - Auxiliary Fan Assembly - Larger diameter fan on the left side - Hamburg Tech - Audi

Larger diameter fan on the left side affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2816311
Mfg#:
8D0959455D
Ships in 1 Business Day
$167.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Assembly

ES#2815897 - 4Z7959455 - Auxiliary Fan Assembly - Larger diameter fan on the left side - Hamburg Tech - Audi

Larger diameter fan on the left side affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2815897
Mfg#:
4Z7959455
Ships in 1 Business Day
$167.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Assembly

ES#3981182 - 4Z7959455 - Auxiliary Fan Assembly - Larger diameter fan on the left side - NRF B.V. - Audi

Larger diameter fan on the left side affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
NRF B.V. - Corporate Logo
ES#:
3981182
Mfg#:
4Z7959455
Ships in 1-2 days
$155.99

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

$150.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Control Unit

ES#4908550 - 8D0959501D - Auxiliary Fan Control Unit - Controls the actuation of the radiator fan - Bremmen Parts - Audi

Controls the actuation of the radiator fan affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4908550
Mfg#:
8D0959501D
Ships on Jul 9, 2026
Auto Notify
$136.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spal 185 Degree Thermo-Switch

ES#4753440 - SPL185TS - Spal 185 Degree Thermo-Switch - Replacement thermo-switch for Spal electric fan conversion kits. - Spal - Audi BMW MINI

Replacement thermo-switch for Spal electric fan conversion kits. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Spal - Corporate Logo
ES#:
4753440
Mfg#:
SPL185TS
In Stock at Vendor
$44.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Multipurpose Relay - Priced Each

ES#2901202 - 7M0951253A - Multipurpose Relay - Priced Each - Replacement 4 pin relay - Vemo - Audi Volkswagen Porsche

Replacement 4 pin relay affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Used for fan control

Brand:
Vemo - Corporate Logo
ES#:
2901202
Mfg#:
7M0951253A
In Stock at Vendor
$22.99

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

$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Control Unit

ES#2709521 - 8D0959501D - Auxiliary Fan Control Unit - Controls the actuation of the radiator fan - URO - Audi

Controls the actuation of the radiator fan affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2709521
Mfg#:
8D0959501D
Back Ordered
$124.26 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Assembly

Larger diameter fan on the left side We Price Match - Give Us A Call or Chat! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Nissens - Corporate Logo
ES#:
3980451
Mfg#:
4Z7959455
In Stock at Vendor
$108.99

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

$105.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fan Control Unit

ES#2708715 - 8D0959501C - Fan Control Unit - With heavy duty cooling, 2 connectors on each unit - URO - Audi Volkswagen

With heavy duty cooling, 2 connectors on each unit affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2708715
Mfg#:
8D0959501C
Back Ordered
$105.99 USD
Free Shipping
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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 Fan Switch - 4 Pin

Located on the lower radiator hose connection affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Facet - Corporate Logo
ES#:
4045813
Mfg#:
8D0959481B
In Stock at Vendor
$33.99

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

$32.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Switch (91-102°C) - 3 Pin

ES#1694 - 191959481C - Auxiliary Fan Switch (91-102C) - 3 Pin - Located on the lower side of the radiator - Wahler - Audi Volkswagen

Located on the lower side of the radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Wahler - Corporate Logo
ES#:
1694
Mfg#:
191959481C
Ships on Jun 30, 2026
$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Cooling Fans & Parts

If you're overheating in traffic or while idling, you may need to check your radiator fan. Replace a worn-out fan clutch, faulty electric fan, or upgrade to a slimmer electric radiator fan with our catalog of cooling fan options.

Let us help you find the parts that fit your Audi

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