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Audi B5 A4 Quattro 1.8T

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Audi B5 A4 Quattro 1.8T Engine Cooling Parts

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Expanding Nut - Priced Each

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

Oil Cooler Hose - Supply

ES#2627305 - 06B121058S - Oil Cooler Hose - Supply - Connects the oil cooler to the hard water pipe - Rein - Audi Volkswagen

Connects the oil cooler to the hard water pipe 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2627305
Mfg#:
06B121058S
In Stock
$6.66 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 2X Entries Into Our F80 M3 Sweepstakes
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

Sensor Retaining Clip - Priced Each

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

Expansion Tank Cap

ES#2535170 - 1J0121321B - Expansion Tank Cap - Keep proper pressure in your coolant system - URO - Audi Volkswagen

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

Brand:
URO - Corporate Logo
ES#:
2535170
Mfg#:
1J0121321B
In Stock
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Multipurpose Relay - Priced Each

ES#3437882 - 7M0951253A - Multipurpose Relay - Priced Each - Replacement 4 pin relay - Bosch - Audi Volkswagen

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

Brand:
Bosch - Corporate Logo
ES#:
3437882
Mfg#:
7M0951253A
Ships in 2 Business Days
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Assembly - 280mm

300W with round 2 pin connector Valeo style assembly, please check existing manufacturer for proper fitment

Brand:
ACM - Corporate Logo
ES#:
3448152
Mfg#:
8D0959455R
Ships in 2 Business Days
$128.99

This product was last offered at the strikethrough price on
08-19-2026

$116.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Assembly - 280mm

300W with round 2 pin connector Valeo style assembly, please check existing manufacturer for proper fitment

Brand:
Mahle-Behr - Corporate Logo
ES#:
4355144
Mfg#:
8D0959455R
Ships in 2 Business Days
$134.99

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

$116.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Oil Cooler

ES#2717921 - 028117021L - Engine Oil Cooler - Common source of leaks, mounted between your oil filter and engine block - Vemo - Audi Volkswagen

Common source of leaks, mounted between your oil filter and engine block From VIN 8D-X-300001, split is in the 1999 model year

Brand:
Vemo - Corporate Logo
ES#:
2717921
Mfg#:
028117021L
Ships in 2 Business Days
$118.99

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

$115.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2581850 - 050121113ckt-1 - 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#:
2581850
Mfg#:
050121113CKT-1
Ships in 3 Business Days
$119.99

This product was last offered at the strikethrough price on
07-26-2026

$114.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Anti-Freeze Tester

ES#3536250 - EZRSP102 - Anti-Freeze Tester - Don't let your engine freeze, be sure with this easy to use tester - E-Z Red Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Don't let your engine freeze, be sure with this easy to use tester

Brand:
E-Z Red Tools - Corporate Logo
ES#:
3536250
Mfg#:
EZRSP102
Ships in 2 Business Days
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spring Clamp - Priced Each

ES#470730 - N90770201 - Spring Clamp - Priced Each - Ensure a proper seal on hose connections. 17x12 - Genuine Volkswagen Audi - Audi Volkswagen

Ensure a proper seal on hose connections. 17x12 Secures the expansion tank hose on both sides.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
470730
Mfg#:
N90770201
In Stock
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

3 Pin Connector - Priced Each

ES#251883 - 1J0973723 - 3 Pin Connector - Priced Each - Replace a broken connector to restore function - Genuine Volkswagen Audi - Audi

Replace a broken connector to restore function For the expansion tank level sensor from VIN 8D-W-007800, split is in the 1998 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
251883
Mfg#:
1J0973723
Ships in 1-2 days
5% off MSRP

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

$19.99

This product was last offered at the strikethrough price on
10-08-2026

$18.99 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 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bremmen Parts - Corporate Logo
ES#:
4908550
Mfg#:
8D0959501D
Special Order: No Guaranteed ETA
ON SALE! SAVE 18%
$136.99

This product was last offered at the strikethrough price on
10-08-2026

$112.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Allen Bolt - Priced Each

ES#8712 - N90339605 - Allen Bolt - Priced Each - Install new hardware with your new parts. M8x37 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M8x37 Engine codes AEB & ATW. Secures the oil filter adapter to the engine

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
8712
Mfg#:
N90339605
Ships in 1-2 days
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt - Priced Each

ES#469440 - N90280904 - Hex Bolt - Priced Each - Install new hardware with your new parts. M6x22 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x22 Engine codes AEB & ATW. Secures the thermostat housing to the water pump

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
469440
Mfg#:
N90280904
In Stock
$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.

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Manufacturer names and/or part numbers are used only for identification purposes.

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