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Audi C5 A6 Quattro V6 2.8L

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Audi C5 A6 Quattro V6 2.8L Engine Cooling Parts

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Coolant Temperature Sensor

ES#3624900 - 059919501A - Coolant Temperature Sensor - Revised green 4 pin sensor, located in the cooling flange located on the side of the cylinder head - FAE - Audi Volkswagen

Revised green 4 pin sensor, located in the cooling flange located on the side of the cylinder head From VIN 4B-Y-000001, split is in the 2000 model year.

Brand:
FAE - Corporate Logo
ES#:
3624900
Mfg#:
059919501A
Ships on Sep 1, 2026
$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

ES#3449329 - N90136802 - Thermostat O-Ring - Ensure a proper seal when installing your new thermostat - Victor Reinz - Audi BMW Volkswagen

Ensure a proper seal when installing your new thermostat

Brand:
Victor Reinz - Corporate Logo
ES#:
3449329
Mfg#:
N90136802
In Stock
$3.99

This product was last offered at the strikethrough price on
03-15-2026

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Wrench

ES#2210254 - VAG1590 - Water Pump Wrench - Used for removing 2-piece pulley on V-belt systems - Genuine Volkswagen Audi - Audi Volkswagen

Used for removing 2-piece pulley on V-belt systems

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2210254
Mfg#:
VAG1590
In Stock
$47.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor With O-Ring & Clip - 4 Pin

ES#2832 - 078919501BKT - Coolant Temperature Sensor With O-Ring & Clip - 4 Pin - Blue sensor with square connector. Please check existing sensor color - Vemo - Audi Volkswagen

<font color='blue'>Blue</font> sensor with square connector. Please check existing sensor color Up to VIN 4B-X-200000, split is in 1999 model year

Brand:
Vemo - Corporate Logo
ES#:
2832
Mfg#:
078919501BKT
Ships on Dec 9, 2026
$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Blade

ES#2866459 - 078121301E - Auxiliary Fan Blade - For the belt driven auxiliary fan - Febi - Audi Volkswagen

For the belt driven auxiliary fan 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2866459
Mfg#:
078121301E
Ships in 5 Business Days
$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange Plug Kit - Priced Each

ES#11965 - 357121140 - Coolant Flange Plug Kit - Priced Each - Includes the plug, o-ring and securing clip - MTC - Audi Volkswagen

Includes the plug, o-ring and securing clip

Brand:
MTC - Corporate Logo
ES#:
11965
Mfg#:
357121140
In Stock
$3.05 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank - With Cap

ES#3189300 - 603-703 - Coolant Expansion Tank - With Cap - Includes integrated coolant level sensor - Dorman - Audi Volkswagen

Includes integrated coolant level sensor

Brand:
Dorman - Corporate Logo
ES#:
3189300
Mfg#:
603-703
Ships in 4 Business Days
$44.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler

ES#2813125 - 078117021A - Oil Cooler - Common source of leaks, mounted between your oil filter and engine block - Hamburg Tech - Audi Volkswagen

Common source of leaks, mounted between your oil filter and engine block We Price Match - Give Us A Call or Chat!
Up to the 1999 model year

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813125
Mfg#:
078117021A
Ships in 1 Business Day
$44.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Spal 185 Degree Thermo-Switch

Replacement thermo-switch for Spal electric fan conversion kits.

Brand:
Spal - Corporate Logo
ES#:
4753440
Mfg#:
SPL185TS
Back Ordered
Auto Notify
$44.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler

ES#3214625 - 078117021A - Oil Cooler - Common source of leaks, mounted between your oil filter and engine block - URO - 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 the 1999 model year

Brand:
URO - Corporate Logo
ES#:
3214625
Mfg#:
078117021A
Ships in 1 Business Day
$38.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sensor Retaining Clip - Priced Each

ES#4940095 - 032121142 - Sensor Retaining Clip - Priced Each - Used for ECS 2.0T boost taps - Bremmen Parts - Audi Volkswagen

Used for ECS 2.0T boost taps 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4940095
Mfg#:
032121142
In Stock
ON SALE! SAVE 59%
$1.99

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

$0.81 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 From VIN 4B-Y-000001, split is in the 2000 model year.

Brand:
Meistersatz - Corporate Logo
ES#:
2800809
Mfg#:
059919501A
Ships in 3 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 VIN 4B-X-131001 up to 4B-1-120000, split is in the 1999 & 2001 model years

Brand:
Vaico - Corporate Logo
ES#:
4055320
Mfg#:
078121058AN
Ships on Dec 9, 2026
$16.99 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 the 1999 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

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 Sep 3, 2026
$30.99 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
Ships in 2 Business Days
$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

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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