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Audi C4 A6 Quattro 2.8

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Audi C4 A6 Quattro 2.8 Engine Cooling Parts

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radiator drain plug

ES#361667 - 4A0121140 - radiator drain plug - Allows you to empty your radiator of coolant with ease - Genuine Volkswagen Audi - Audi

Allows you to empty your radiator of coolant with ease

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
361667
Mfg#:
4A0121140
Ships in 3 Business Days
12% off MSRP

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

$42.99

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

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

Coolant Hose - Priced Each

ES#2515738 - 4A0121101C - Coolant Hose - Priced Each - Upper radiator hose to water tube and coolant reservoir - MTC - Audi

Upper radiator hose to water tube and coolant reservoir AAH, AFC Engine Codes Only

Brand:
MTC - Corporate Logo
ES#:
2515738
Mfg#:
4A0121101C
Ships in 9 Business Days
$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#3412038 - 4A0121403 - Coolant Expansion Tank - Replace cracked tanks. - Hudson - Audi

Replace cracked tanks.

Brand:
Hudson - Corporate Logo
ES#:
3412038
Mfg#:
4A0121403
Ships in 1-2 days
$36.00 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

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!
From VIN 4A-S-026714, split is in the 1995 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

Coolant Expansion Tank

ES#264109 - 4A0121403 - Coolant Expansion Tank - Replace cracked tanks. - Meyle - Audi

Replace cracked tanks. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
264109
Mfg#:
4A0121403
Ships on Dec 17, 2026
$32.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Cooling Fan

ES#2899092 - 4A0121301 - Radiator Cooling Fan - Attached to fan clutch and driven by the engine - Vemo - Audi

Attached to fan clutch and driven by the engine

Brand:
Vemo - Corporate Logo
ES#:
2899092
Mfg#:
4A0121301
Special Order: No Guaranteed ETA
$31.99 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!
From VIN 4A-S-026714, split is in the 1995 model year

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

Sandwich Plate Fitting - priced each

ES#2764124 - MMSPF10ANBK - Sandwich Plate Fitting - priced each - M20 X 1.5 /10AN - Mishimoto - Audi BMW Volkswagen MINI

M20 X 1.5 /10AN

Brand:
Mishimoto - Corporate Logo
ES#:
2764124
Mfg#:
MMSPF10ANBK
In Stock at Vendor
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 87C

ES#1500 - 078121113F - Thermostat - 87C - Includes sealing O-Ring - Wahler - Audi Volkswagen

Includes sealing O-Ring

Brand:
Wahler - Corporate Logo
ES#:
1500
Mfg#:
078121113F
Ships on Sep 1, 2026
$27.09 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Gasket

ES#3479 - 078121043A - Water Pump Gasket - Ensure a proper seal when installing a new water pump - Victor Reinz - Audi Volkswagen

Ensure a proper seal when installing a new water pump

Brand:
Victor Reinz - Corporate Logo
ES#:
3479
Mfg#:
078121043A
In Stock at Vendor
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank Coolant Expansion Tank

ES#2815776 - 4A0121403 - Coolant Expansion Tank Coolant Expansion Tank - Replace cracked tanks. - Hamburg Tech - Audi

Replace cracked tanks. We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2815776
Mfg#:
4A0121403
Ships in 1 Business Day
$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 92�C

ES#5270 - 078121113G - Thermostat - 92C - Includes sealing O-Ring - Mahle-Behr - Audi Volkswagen

Includes sealing O-Ring

Brand:
Mahle-Behr - Corporate Logo
ES#:
5270
Mfg#:
078121113G
In Stock at Vendor
$22.99 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#2628655 - 059919501KT - Coolant Temperature Sensor With O-Ring & Clip - 4 Pin - Updated Green sensor with square connector. Please check existing sensor color - Febi - Audi

Updated <font color='green'>Green</font> sensor with square connector. Please check existing sensor color 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2628655
Mfg#:
059919501KT
In Stock at Vendor
$19.99

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

$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Switch (91-102°C) - 3 Pin

ES#3478132 - 191959481A - Auxiliary Fan Switch (91-102C) - 3 Pin - Located on the lower side of the radiator - Meyle - Audi Volkswagen

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

Brand:
Meyle - Corporate Logo
ES#:
3478132
Mfg#:
191959481A
Ships in 1-2 days
$18.85 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt - Priced Each

ES#251155 - N01953310 - Hex Bolt - Priced Each - Install new hardware with your new parts. M8x20 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M8x20

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
251155
Mfg#:
N01953310
In Stock
Limited Qty Sale
$2.99 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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