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Audi C4 S6 Quattro 20v T

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Audi C4 S6 Quattro 20v T 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
361667
Mfg#:
4A0121140
Ships in 4 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
06-18-2026

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

Thermostat (87°C)

ES#3149391 - 069121113 - Thermostat (87C) - Prevent overheating and premature engine wear. Includes O-ring - Rein - Audi Volkswagen

Prevent overheating and premature engine wear. Includes O-ring affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3149391
Mfg#:
069121113
Ships in 3 Business Days
$9.35 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat (87°C)

ES#1435 - 069121113 - Thermostat (87C) - Prevent overheating and premature engine wear - Wahler - Audi

Prevent overheating and premature engine wear affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Wahler - Corporate Logo
ES#:
1435
Mfg#:
069121113
Ships on Jul 14, 2026
$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose

ES#273090 - 034121063C - Coolant Hose - Small hose located between the water pump and the hard coolant pipe next to the block - Genuine Volkswagen Audi - Audi

Small hose located between the water pump and the hard coolant pipe next to the block affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
273090
Mfg#:
034121063C
Ships in 4 Business Days
11% off MSRP

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

$37.99

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

$33.99 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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

Spring Clamp (32.5x9x0.5) - Priced Each

ES#466956 - N0245076 - Spring Clamp (32.5x9x0.5) - Priced Each - Spring clamp used in various areas on your European vehicle - Genuine Volkswagen Audi - Audi

Spring clamp used in various areas on your European vehicle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Secures lower radiator hose to the radiator

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
466956
Mfg#:
N0245076
Ships in 4 Business Days
29% off MSRP

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

$11.25

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

$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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

Fan mounting pin - priced each

ES#4147336 - 30130013 - Fan mounting pin - priced each - Wire pin used to mount electric fan directly to radiator. - Spal - Audi BMW MINI

Wire pin used to mount electric fan directly to radiator. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Spal - Corporate Logo
ES#:
4147336
Mfg#:
30130013
In Stock at Vendor
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Zerex Ht-12 Pink

ES#5435259 - 904683 - Zerex Ht-12 Pink - Si-OAT technology specifically engineered for modern BMW, VW, Audi, and Porsche vehicles. - Zerex - Audi Volkswagen

Si-OAT technology specifically engineered for modern BMW, VW, Audi, and Porsche vehicles. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Zerex - Corporate Logo
ES#:
5435259
Mfg#:
904683
Back Ordered
$25.99

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

$24.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Temperature Sensor T-Fitting

ES#2887288 - 4A0819497 - Temperature Sensor T-Fitting - Stationed in-line with the heater core feed hoses, this piece houses the 2-pin temp sensor - Vaico - Audi Volkswagen

Stationed in-line with the heater core feed hoses, this piece houses the 2-pin temp sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2887288
Mfg#:
4A0819497
In Stock at Vendor
$8.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor With O-Ring - 2 Pin

ES#2485 - 025906041AKT - Coolant Temperature Sensor With O-Ring - 2 Pin - Blue sensor used by the ECU to control engine fueling - Assembled By ECS - Audi Volkswagen

Blue sensor used by the ECU to control engine fueling affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2485
Mfg#:
025906041AKT
In Stock
ON SALE! SAVE 14%
$12.99

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

$11.17 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Switch Gasket

ES#467116 - N0438083 - Radiator Fan Switch Gasket - Install new hardware with your new parts. 22x29x1.50 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. 22x29x1.50 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
467116
Mfg#:
N0438083
Ships in 1-2 days
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat (87°C)

ES#3970026 - 069121113 - Thermostat (87C) - Prevent overheating and premature engine wear. Includes O-ring - Meyle - Audi

Prevent overheating and premature engine wear. Includes O-ring affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
3970026
Mfg#:
069121113
Ships on Oct 28, 2026
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sensor Retaining Clip - Priced Each

ES#2865558 - 025121142 - Sensor Retaining Clip - Priced Each - Secures the coolant temperature sensor in place - Febi - Audi Volkswagen

Secures the coolant temperature sensor in place affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2865558
Mfg#:
025121142
Ships on Jul 21, 2026
Auto Notify
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#2708530 - 074121121B - Thermostat Housing - Located behind water pump housing - URO - Audi Volkswagen

Located behind water pump housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2708530
Mfg#:
074121121B
Ships in 1 Business Day
$6.99 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 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

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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