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Audi B5 Engine Cooling Parts

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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 2 Business Days
$119.99

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

$113.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#2594857 - 8D0121403L - Coolant Expansion Tank - Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank - Febi - Audi Volkswagen

Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank We Price Match - Give Us A Call or Chat!
From VIN 8D-W-007800, split is in the 1998 model year

Brand:
Febi - Corporate Logo
ES#:
2594857
Mfg#:
8D0121403L
Ships in 1 Business Day
$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Tester

ES#2696212 - V99-1005 - Coolant Tester - Make sure your coolant is safe from freezing! - Vaico - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Make sure your coolant is safe from freezing! We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2696212
Mfg#:
V99-1005
Back Ordered
$51.99

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

$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Hardware Kit

ES#3141671 - n0902612kt - Water Pump Hardware Kit - Complete hardware kit for replacing the water pump - Assembled By ECS - Audi

Complete hardware kit for replacing the water pump 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3141671
Mfg#:
N0902612KT
Ships on Nov 2, 2026
ON SALE! SAVE 17%
$33.99

This product was last offered at the strikethrough price on
08-28-2026

$28.34 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

Turbo Coolant Hose - Supply

ES#3448652 - 058121497B - Turbo Coolant Hose - Supply - Connects the turbocharger to the connection flange - Rein - Audi Volkswagen

Connects the turbocharger to the connection flange 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3448652
Mfg#:
058121497B
Ships in 3 Business Days
$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Water Pump

ES#3183399 - 078121601B - Auxiliary Water Pump - Used as an after run pump on the V6 engine - Rein - Audi Volkswagen

Used as an after run pump on the V6 engine 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Replacement water pump for auxiliary water pump relocation

Brand:
Rein - Corporate Logo
ES#:
3183399
Mfg#:
078121601B
Ships in 3 Business Days
$118.99

This product was last offered at the strikethrough price on
10-22-2026

$54.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Hose Clamp - Priced Each

ES#263953 - N10258101 - Hose Clamp - Priced Each - Install new clamps to stay leak free. 23-35x9x.5 - Genuine Volkswagen Audi - Audi Volkswagen

Install new clamps to stay leak free. 23-35x9x.5 Secures both hoses to the auxiliary water pump.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
263953
Mfg#:
N10258101
In Stock
Limited Qty Sale
$6.99

This product was last offered at the strikethrough price on
07-15-2026

$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Assembly - 280mm

ES#3189421 - 620-800 - Auxiliary Fan Assembly - 280mm - 300W with round 2 pin connector, Valeo style fans - Dorman - Audi Volkswagen

300W with round 2 pin connector, Valeo style fans

Brand:
Dorman - Corporate Logo
ES#:
3189421
Mfg#:
620-800
Ships in 4 Business Days
$106.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Assembly

ES#3980451 - 4Z7959455 - Auxiliary Fan Assembly - Larger diameter fan on the left side - Nissens - Audi

Larger diameter fan on the left side We Price Match - Give Us A Call or Chat!

Brand:
Nissens - Corporate Logo
ES#:
3980451
Mfg#:
4Z7959455
Ships in 1 Business Day
$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 2X Entries Into Our F80 M3 Sweepstakes
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

Radiator Hose - Upper

ES#2627320 - 8D0121101K - Radiator Hose - Upper - Connects the upper radiator port to the hard water pipe - Rein - Audi Volkswagen

Connects the upper radiator port 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#:
2627320
Mfg#:
8D0121101K
In Stock at Vendor
$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Upper

ES#429387 - 8D0121101K - Radiator Hose - Upper - Connects the upper radiator port to the hard water pipe - Genuine Volkswagen Audi - Audi Volkswagen

Connects the upper radiator port to the hard water pipe

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
429387
Mfg#:
8D0121101K
Ships in 6 Business Days
13% off MSRP

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

$119.99

This product was last offered at the strikethrough price on
08-31-2026

$104.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Assembly - 280mm

ES#2539246 - 8D0959455C - Auxiliary Fan Assembly - 280mm - 300W with round 2 pin connector, Valeo style fans - VDO - Audi Volkswagen

300W with round 2 pin connector, Valeo style fans We Price Match - Give Us A Call or Chat!

Brand:
VDO - Corporate Logo
ES#:
2539246
Mfg#:
8D0959455C
Ships in 1 Business Day
$105.99

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

$102.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling System Refresh Kit - Level 1

ES#2581800 - 8d0959481bkt-2 - Cooling System Refresh Kit - Level 1 - Replace your thermostat and temp sensors with one kit! - Assembled By ECS - Audi

Replace your thermostat and temp sensors with one kit! 10X Entries Into Our F80 M3 Sweepstakes
Engine codes AEB & ATW from VIN 8D-X-500001, split is in the 1999 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2581800
Mfg#:
8D0959481BKT-2
In Stock
ON SALE!
$102.99

This product was last offered at the strikethrough price on
10-29-2026

$102.04 USD
Free Shipping
This product is lifetime replacement eligible Partial 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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