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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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Fan Switch - 2-Pin (84°C-95°C)

ES#296593 - 191959481 - Fan Switch - 2-Pin (84C-95C) - Mounts on radiator to determine coolant temperature for fan operation - Genuine Volkswagen Audi - Audi Volkswagen

Mounts on radiator to determine coolant temperature for fan operation affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
296593
Mfg#:
191959481
Ships in 6 Business Days
7% off MSRP

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

$73.99

This product was last offered at the strikethrough price on
07-08-2026

$68.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#3149402 - 06A121012G - Water Pump - Featuring a metal impeller - Rein - Audi Volkswagen

Featuring a metal impeller affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3149402
Mfg#:
06A121012G
Back Ordered
$67.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Multipurpose Relay - Priced Each

ES#2801195 - 8E0951253 - Multipurpose Relay - Priced Each - Replacement 4 pin relay - Meistersatz - Audi Volkswagen

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

Brand:
Meistersatz - Corporate Logo
ES#:
2801195
Mfg#:
8E0951253
Ships in 3 Business Days
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Switch - 4 Pin

ES#1873 - 8D0959481B - Auxiliary Fan Switch - 4 Pin - Located on the lower radiator hose connection - Meyle - Audi Volkswagen

Located on the lower radiator hose connection affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
1873
Mfg#:
8D0959481B
Ships on Oct 29, 2026
Auto Notify
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Titan 4-Piece Air Blow Gun Set

ES#4352819 - TIT19391 - Titan 4-Piece Air Blow Gun Set - Seals and blows out clogged lines/pipes - Titan - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Seals and blows out clogged lines/pipes affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Titan - Corporate Logo
ES#:
4352819
Mfg#:
TIT19391
Ships in 6 Business Days
$66.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbo Coolant Hose - Return

ES#277618 - 058121471B - Turbo Coolant Hose - Return - Connects the turbocharger to the hard water pipe - Genuine Volkswagen Audi - Audi Volkswagen

Connects the turbocharger to the hard water pipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
277618
Mfg#:
058121471B
Ships in 2 Business Days
7% off MSRP

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

$71.99

This product was last offered at the strikethrough price on
07-08-2026

$66.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#2804447 - 06B121121L - Thermostat Housing - Located on the left side of the engine block - Bremmen Parts - Audi Volkswagen

Located on the left side of the engine block affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
2804447
Mfg#:
06B121121L
In Stock
ON SALE! SAVE 27%
$9.99

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

$7.34 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Oil Cooler

ES#2873160 - 028117021L - Engine Oil Cooler - Common source of leaks, mounted between your oil filter and engine block - Febi - Audi Volkswagen

Common source of leaks, mounted between your oil filter and engine block affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2873160
Mfg#:
028117021L
In Stock at Vendor
$76.99

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

$65.99 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

Heat Deflector Wrap

ES#274870 - 037971461 - Heat Deflector Wrap - Protects rubber from heat from turbocharger - Genuine Volkswagen Audi - Audi Volkswagen

Protects rubber from heat from turbocharger affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
274870
Mfg#:
037971461
Ships on Jul 27, 2026
11% off MSRP

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

$36.99

This product was last offered at the strikethrough price on
07-08-2026

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

Auxiliary Fan Assembly - 280mm

ES#3098864 - 8D0959455 - Auxiliary Fan Assembly - 280mm - 300W with round 2 pin connector - URO - Audi Volkswagen

300W with round 2 pin connector affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Valeo style assembly, please check existing manufacturer for proper fitment

Brand:
URO - Corporate Logo
ES#:
3098864
Mfg#:
8D0959455
Back Ordered
$64.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Freeze Plug - Priced Each

ES#274313 - 036103113A - Freeze Plug - Priced Each - Keep your engine block sealed. 36.6mm - Genuine Volkswagen Audi - Audi Volkswagen

Keep your engine block sealed. 36.6mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Engine codes AEB & ATW

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
274313
Mfg#:
036103113A
In Stock
ON SALE!
$4.99

This product was last offered at the strikethrough price on
06-25-2026

$4.55 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler

Common source of undiscoverable coolant leaks We Price Match - Give Us A Call or Chat! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From VIN 8D-X-300001, split is in the 1999 model year

Brand:
Nissens - Corporate Logo
ES#:
3988406
Mfg#:
028117021K
Back Ordered
$64.99

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

$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler

ES#4939952 - 068117021B - Oil Cooler - Common source of undiscoverable coolant leaks - Bremmen Parts - Audi Volkswagen

Common source of undiscoverable coolant leaks affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Up to VIN 8D-X-300000, split is in the 1999 model year

Brand:
Bremmen Parts - Corporate Logo
ES#:
4939952
Mfg#:
068117021B
In Stock
Limited Qty Sale
$26.99

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

$20.99 USD

Hex Bolt - Priced Each

ES#470104 - N90529302 - Hex Bolt - Priced Each - Install new hardware with your new parts. M6x10 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x10 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Secures the water supply pipe to the cylinder head coolant flange

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
470104
Mfg#:
N90529302
In Stock
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Upper

ES#3235887 - 8D0121101K - Radiator Hose - Upper - Connects the upper radiator port to the hard water pipe - Gates - Audi Volkswagen

Connects the upper radiator port to the hard water pipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Gates - Corporate Logo
ES#:
3235887
Mfg#:
8D0121101K
Ships on Jul 28, 2026
$62.78 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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