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Audi C4 S4 Quattro 20v T Engine Cooling Parts

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ES#361645 - 4A0121055C - Coolant Hose - Lower - Thermostat housing to coolant pipe - Genuine Volkswagen Audi - Audi

Thermostat housing to coolant pipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
361645
Mfg#:
4A0121055C
Special Order: No Guaranteed ETA
9% off MSRP

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

$53.99

This product was last offered at the strikethrough price on
06-15-2026

$48.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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
ES#1439 - 035121113 - Thermostat - 80C - Low temperature replacement. - Wahler - Audi

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

Brand:
Wahler - Corporate Logo
ES#:
1439
Mfg#:
035121113
Ships on Jul 10, 2026
$20.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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 5 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
06-15-2026

$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
3149391
Mfg#:
069121113
Ships in 4 Business Days
$9.35 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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 10, 2026
$36.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3412038 - 4A0121403 - Coolant Expansion Tank - Replace cracked tanks. - Hudson - Audi

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

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

Replace cracked tanks. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
264109
Mfg#:
4A0121403
Ships on Oct 26, 2026
$32.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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
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 upper 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
06-15-2026

$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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
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
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
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
ES#2815776 - 4A0121403 - Coolant Expansion Tank
Coolant Expansion Tank - Replace cracked tanks. - Hamburg Tech - Audi

Replace cracked tanks. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2815776
Mfg#:
4A0121403
Ships in 2 Business Days
$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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

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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