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Audi B5 Engine Cooling Parts

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Accessory Belt

ES#3234900 - 078903137BL - Accessory Belt - Replace your cracked or worn belt - Gates - Audi

Replace your cracked or worn belt

Brand:
Gates - Corporate Logo
ES#:
3234900
Mfg#:
078903137BL
Ships on Aug 10, 2026
$33.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor

ES#2800809 - 059919501A - Coolant Temperature Sensor - Revised green 4 pin sensor, located in the cooling flange located on the side of the cylinder head - Meistersatz - Audi Volkswagen

Revised green 4 pin sensor, located in the cooling flange located on the side of the cylinder head

Brand:
Meistersatz - Corporate Logo
ES#:
2800809
Mfg#:
059919501A
Ships in 4 Business Days
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler Hose

ES#4055320 - 078121058AN - Oil Cooler Hose - Connects the oil cooler to the upper coolant pipe - Vaico - Audi Volkswagen

Connects the oil cooler to the upper coolant pipe We Price Match - Give Us A Call or Chat!
From the 2000 model year

Brand:
Vaico - Corporate Logo
ES#:
4055320
Mfg#:
078121058AN
Ships on Nov 12, 2026
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Replacement Kit

ES#2586883 - 8D0121403DUROKT - Expansion Tank Replacement Kit - Install a brand new expansion tank with a new cap and hardware - Assembled By ECS - Audi

Install a brand new expansion tank with a new cap and hardware 10X Entries For Our 25th Anniversary Sweepstakes!
Up to VIN 8D-W-007799, split is in the 1998 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2586883
Mfg#:
8D0121403DUROKT
Back Ordered
ON SALE!
$34.99

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

$33.45 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

oil cooler

ES#2866456 - 078117021A - 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 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Up to VIN 8D-Y-022960, split is in the 2000 model year

Brand:
Febi - Corporate Logo
ES#:
2866456
Mfg#:
078117021A
Back Ordered
$33.23 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cylinder Head Coolant Flange

ES#2535197 - 058121133B - Cylinder Head Coolant Flange - Located on the back of the cylinder head - URO - Audi Volkswagen

Located on the back of the cylinder head 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2535197
Mfg#:
058121133B
In Stock at Vendor
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Freeze Plug - Priced Each

ES#466002 - N01190710 - Freeze Plug - Priced Each - Keep your engine block sealed. 14mm - Genuine Volkswagen Audi - Audi Volkswagen

Keep your engine block sealed. 14mm Engine codes AEB, ATW & AWM

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
466002
Mfg#:
N01190710
Ships in 1 Business Day
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2581870 - 050121113ckt-4 - Thermostat Replacement Kit - Maintain proper operating temperature with a new thermostat, housing and hardware - Assembled By ECS - Audi

Maintain proper operating temperature with a new thermostat, housing and hardware 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2581870
Mfg#:
050121113CKT-4
In Stock
ON SALE! SAVE 24%
$41.99

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

$31.82 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Hose - (NO LONGER AVAILABLE)

ES#3235890 - 8D0121109N - Expansion Tank Hose - (NO LONGER AVAILABLE) - Runs from the bottom of the expansion tank to the water pipe - Gates - Audi Volkswagen

Runs from the bottom of the expansion tank to the water pipe

Brand:
Gates - Corporate Logo
ES#:
3235890
Mfg#:
8D0121109N
Ships on Aug 10, 2026
$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#1689 - 8D0121403D - Coolant Expansion Tank - Includes integrated coolant level sensor - Meyle - Audi

Includes integrated coolant level sensor 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Up to VIN 8D-W-007799, split is in the 1998 model year

Brand:
Meyle - Corporate Logo
ES#:
1689
Mfg#:
8D0121403D
Ships on Nov 30, 2026
$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Upper

ES#3698966 - 8D0121101AF - Radiator Hose - Upper - Runs from radiator to reservoir and water pipe - Burgaflex - Audi Volkswagen

Runs from radiator to reservoir and water pipe Fits from VIN 8D-T-236 145 - Split is in the 1996 model year

Brand:
Burgaflex - Corporate Logo
ES#:
3698966
Mfg#:
8D0121101AF
Ships in 9 Business Days
$29.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Heater Core

ES#2816319 - 8D1819030B - Heater Core - Stop coolant loss and cure a fogged windshield - Hamburg Tech - Audi Volkswagen

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

Brand:
Hamburg Tech - Corporate Logo
ES#:
2816319
Mfg#:
8D1819030B
Ships in 2 Business Days
$29.99 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

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

$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Upper

ES#3463359 - 8D0121101AF - Radiator Hose - Upper - Runs from radiator to reservoir and water pipe - Hudson - Audi Volkswagen

Runs from radiator to reservoir and water pipe Fits from VIN 8D-T-236 145 - Split is in the 1996 model year

Brand:
Hudson - Corporate Logo
ES#:
3463359
Mfg#:
8D0121101AF
Ships in 1-2 days
$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange Sealing O-Ring - Priced Each

ES#2865748 - 037121687 - Coolant Flange Sealing O-Ring - Priced Each - Install a new o-ring for a proper seal. 36x3.15 - Febi - Audi Volkswagen

Install a new o-ring for a proper seal. 36x3.15 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Seals the coolant flange to the cylinder head

Brand:
Febi - Corporate Logo
ES#:
2865748
Mfg#:
037121687
Ships on Oct 16, 2026
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler

ES#4939990 - 078117021A - Oil Cooler - Common source of leaks, mounted between your oil filter and engine block - Bremmen Parts - Audi Volkswagen

Common source of leaks, mounted between your oil filter and engine block 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4939990
Mfg#:
078117021A
In Stock
ON SALE! SAVE 22%
$36.99

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

$28.99 USD
Free Shipping
on orders $49 and up

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.

Let us help you find the parts that fit your Audi

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

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