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Audi B5 A4 Quattro V6 30v

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Audi B5 A4 Quattro V6 30v Engine Cooling Parts

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Sealing O-Ring - Priced Each

Seal for most clip-in cooling sensors/senders. M19.6x3.6mm 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Elring - Corporate Logo
ES#:
5340675
Mfg#:
N90316802
Special Order: No Guaranteed ETA
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

Ensure a proper seal when installing your new thermostat 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Elring - Corporate Logo
ES#:
5340689
Mfg#:
N90136802
Special Order: No Guaranteed ETA
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 87C

Direct OE-quality replacement coolant thermostat to cure overheating issues, resolve engine under-temperature conditions, and restore precise thermal regulation to your V6 engine. We Price Match - Give Us A Call or Chat!
Up to VIN 8D-X-315000, split is in the 1999 model year

Brand:
Febi - Corporate Logo
ES#:
2873481
Mfg#:
078121113FS3
Special Order: No Guaranteed ETA
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor - 4 Pin

<font color='blue'>Blue</font> sensor with square connector. Please check existing sensor color - 078919501B Up to VIN 8D-X-500000, split is in the 1999 model year

Brand:
Refak - Corporate Logo
ES#:
3143185
Mfg#:
078919501B
Special Order: No Guaranteed ETA
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling System Refresh Kit

ES#2778204 - 078121113FKT9 - Cooling System Refresh Kit - Service your critical cooling system components with this complete kit. - Assembled By ECS - Audi

Service your critical cooling system components with this complete kit. 10X Entries Into Our F80 M3 Sweepstakes
From VIN 8D-X-315001 Up to VIN 8D-X-500000, split is in the 1999 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2778204
Mfg#:
078121113FKT9
Ships on Feb 11, 2027
ON SALE!
$112.99

This product was last offered at the strikethrough price on
06-18-2026

$110.78 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Radiator Hose - Upper

ES#2892096 - 8D0121101AF - Radiator Hose - Upper - Runs from radiator to reservoir and water pipe - Vaico - Audi Volkswagen

Runs from radiator to reservoir and water pipe We Price Match - Give Us A Call or Chat!
Fits from VIN 8D-T-236 145 - Split is in the 1996 model year

Brand:
Vaico - Corporate Logo
ES#:
2892096
Mfg#:
8D0121101AF
Special Order: No Guaranteed ETA
$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Replacement Kit

ES#2586882 - 8D0121403DKT - 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 Into Our F80 M3 Sweepstakes
Up to VIN 8D-W-007799, split is in the 1998 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2586882
Mfg#:
8D0121403DKT
Back Ordered
$59.99

This product was last offered at the strikethrough price on
09-03-2026

$57.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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

ES#3625382 - 251959481K - Auxiliary Fan Switch (87-93C) - 3 Pin - Located on the lower side of the radiator, comes with paper gasket - FAE - Audi Volkswagen

Located on the lower side of the radiator, comes with paper gasket

Brand:
FAE - Corporate Logo
ES#:
3625382
Mfg#:
251959481K
Back Ordered
$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Drain Plug

ES#250205 - 8D0121100 - Radiator Drain Plug - Used for quick removal of coolant - Original Equipment Supplier - Audi Volkswagen

Used for quick removal of coolant

Brand:
Original Equipment Supplier - Corporate Logo
ES#:
250205
Mfg#:
8D0121100
Back Ordered
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#2535174 - 8D0121403D - Coolant Expansion Tank - Includes integrated coolant level sensor - URO - Audi

Includes integrated coolant level sensor 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Up to VIN 8D-W-007799, split is in the 1998 model year

Brand:
URO - Corporate Logo
ES#:
2535174
Mfg#:
8D0121403D
Back Ordered
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 87C

Prevent overheating and premature engine wear 10X Entries Into Our F80 M3 Sweepstakes
Up to VIN 8D-X-315000, split is in the 1999 model year

Brand:
Bremmen Parts - Corporate Logo
ES#:
4940301
Mfg#:
078121113F
Special Order: No Guaranteed ETA
ON SALE! SAVE 18%
$16.99

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

$13.86 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Allen Bolt - Priced Each

Install new hardware with your new parts. M8x37 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4004624
Mfg#:
N90339605
Back Ordered
$4.99 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.

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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