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Audi A4 Engine Cooling Parts

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ES#4818191 - 8D0819371H - Heater Core Hose - Supply - Connects the heater core to the cylinder head flange - URO - Audi Volkswagen

Connects the heater core to the cylinder head flange affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
From VIN 8D-W-007800, split is in the 1998 model year

Brand:
URO - Corporate Logo
ES#:
4818191
Mfg#:
8D0819371H
In Stock
Limited Qty Sale
$21.99

This product was last offered at the strikethrough price on
06-09-2026

$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#251883 - 1J0973723 - 3 Pin Connector - Priced Each - Replace a broken connector to restore function - Genuine Volkswagen Audi - Audi

Replace a broken connector to restore function affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For the expansion tank level sensor from VIN 8D-W-007800, split is in the 1998 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
251883
Mfg#:
1J0973723
Ships in 1-2 days
5% off MSRP

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

$19.99

This product was last offered at the strikethrough price on
06-13-2026

$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2765250 - MMFAN12 - Universal 12" Electric Fan - Black - 934 CFM - 5.7 amps at 12.3 volts - Mishimoto - Audi BMW Volkswagen MINI

934 CFM - 5.7 amps at 12.3 volts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
2765250
Mfg#:
MMFAN12
In Stock at Vendor
$93.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#280424 - 06D121065L - Hard Coolant Pipe  - Located between main coolant flange hard pipe and thermostat housing - Genuine Volkswagen Audi - Audi

Located between main coolant flange hard pipe and thermostat housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
280424
Mfg#:
06D121065L
Ships in 4 Business Days
8% off MSRP

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

$101.99

This product was last offered at the strikethrough price on
06-13-2026

$93.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3235888 - 8D0121101M - Radiator Hose - Upper - Runs from radiator to reservoir and water pipe - Gates - Audi Volkswagen

Runs from radiator to reservoir and water pipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits from VIN 8D-T-236 145 - Split is in the 1996 model year

Brand:
Gates - Corporate Logo
ES#:
3235888
Mfg#:
8D0121101M
Ships on Jul 2, 2026
$93.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2804122 - 058121132KT1 - Cooling Flange Replacement Kit - Cure the common coolant leak coming from the back of your engine compartment - Assembled By ECS - Audi

Cure the common coolant leak coming from the back of your engine compartment affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with AEB & ATW engine codes with D-shaped coolant temp sensor

Brand:
Assembled By ECS - Corporate Logo
ES#:
2804122
Mfg#:
058121132KT1
Ships in 1-2 days
ON SALE! SAVE 15%
$54.99

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

$46.92 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2581805 - 8d0959481bkt-3 - Cooling System Refresh Kit - Level 1 - Replace your thermostat and temp sensors with one kit! - Assembled By ECS - Audi

Replace your thermostat and temp sensors with one kit! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Engine code AWM from VIN 8D-X-500001, split is in the 1999 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2581805
Mfg#:
8D0959481BKT-3
In Stock
ON SALE! SAVE 14%
$108.99

This product was last offered at the strikethrough price on
01-03-2026

$93.81 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2718910 - 028117021LKT1 -  Oil Cooler Replacement Kit - Stage 1 - Everything you need to replace your leaking oil cooler - Assembled By ECS - Audi

Everything you need to replace your leaking oil cooler affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Engine code AWM from VIN 8D-X-300001, split is in the 1999 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2718910
Mfg#:
028117021LKT1
In Stock at Vendor
ON SALE! SAVE 13%
$107.99

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

$93.66 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2865722 - 036103113A - Freeze Plug - Priced Each - Keep your engine block sealed. 36.6mm - Febi - Audi Volkswagen

Keep your engine block sealed. 36.6mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2865722
Mfg#:
036103113A
Ships in 1 Business Day
$7.13 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3448101 - 8D1819030B - Heater Core  - Stop coolant loss and cure a fogged windshield - Behr - Audi Volkswagen

Stop coolant loss and cure a fogged windshield affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Behr - Corporate Logo
ES#:
3448101
Mfg#:
8D1819030B
Special Order: No Guaranteed ETA
$91.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4335424 - 06E117021G - Oil Cooler - Common source of undiscoverable coolant leaks - OE Aftermarket - Audi

Common source of undiscoverable coolant leaks affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
OE Aftermarket - Corporate Logo
ES#:
4335424
Mfg#:
06E117021G
Ships on Jun 30, 2026
$90.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2581797 - 8d0959481bkt-1 - Cooling System Refresh Kit - Level 1 - Replace your thermostat and temp sensors with one kit! - Assembled By ECS - Audi

Replace your thermostat and temp sensors with one kit! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Engine code AEB up to VIN 8D-X-500000, split is in the 1999 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2581797
Mfg#:
8D0959481BKT-1
Ships in 1 Business Day
ON SALE!
$99.99

This product was last offered at the strikethrough price on
01-03-2026

$90.77 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#3189300 - 603-703 - Coolant Expansion Tank - With Cap - Includes integrated coolant level sensor - Dorman - Audi Volkswagen

Includes integrated coolant level sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

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
ES#2627318 - 8D0121101AF - Radiator Hose - Upper - Runs from radiator to reservoir and water pipe - Rein - Audi Volkswagen

Runs from radiator to reservoir and water pipe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Fits from VIN 8D-T-236 145 - Split is in the 1996 model year

Brand:
Rein - Corporate Logo
ES#:
2627318
Mfg#:
8D0121101AF
Ships in 3 Business Days
$44.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2540984 - 8K0819371J - Heater Core Hose - Return - Connects the heater core to the adapter flange - Genuine Volkswagen Audi - Audi

Connects the heater core to the adapter flange affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From the 2013 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2540984
Mfg#:
8K0819371J
Ships in 2 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.

$33.99

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

$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4147340 - 30130074 - 16" Fan shroud gasket  - Provides .25" stand off from radiator - Spal - Audi BMW MINI

Provides .25" stand off from radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Spal - Corporate Logo
ES#:
4147340
Mfg#:
30130074
In Stock at Vendor
$17.99 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.

Let us help you find the parts that fit your Audi

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Manufacturer names and/or part numbers are used only for identification purposes.

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