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Audi A4 Engine Cooling Parts

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ES#5386464 - 06E121018BKT2 - Water Pump / Thermostat Kit  - Includes everything you need to replace your water pump and thermostat. This kit does not include the water pump pulley. - Assembled By ECS - Audi

Includes everything you need to replace your water pump and thermostat. This kit does not include the water pump pulley. 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#:
5386464
Mfg#:
06E121018BKT2
In Stock at Vendor
$209.99

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

$208.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#2778113 - 078121113FKT1 - Cooling System Refresh Kit - Service your critical cooling system components with this complete kit. - Assembled By ECS - Audi

Service your critical cooling system components with this complete kit. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
From VIN 8D-W-007800 Up to VIN 8D-X-315000, split is in the 1998 & 1999 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2778113
Mfg#:
078121113FKT1
Ships in 2 Business Days
ON SALE! SAVE 11%
$114.00

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

$100.90 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2973072 - 028117021LKT4 - Oil Cooler Replacement Kit - Stage 2 - Includes the necessary components to replace your oil cooler and perform an engine oil service - Assembled By ECS - Audi

Includes the necessary components to replace your oil cooler and perform an engine oil service 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#:
2973072
Mfg#:
028117021LKT4
In Stock at Vendor
ON SALE!
$194.99

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

$178.56 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2762584 - 06E121111GKT1 - Cooling System Refresh Kit  - Replace your thermostat and temp sensor with one kit! - Assembled By ECS - Audi

Replace your thermostat and temp sensor with one kit! 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#:
2762584
Mfg#:
06E121111GKT1
Ships in 3 Business Days
ON SALE!
$154.10

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

$140.30 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2778206 - 078121113FKT10 - Cooling System Refresh Kit - Service your critical cooling system components with this complete kit. - Assembled By ECS - Audi

Service your critical cooling system components with this complete kit. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
From VIN 8D-X-500001, split is in the 1999 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2778206
Mfg#:
078121113FKT10
Ships in 1 Business Day
ON SALE!
$115.99

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

$113.50 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#4220582 - 06H121026BAKT7 - Cooling System Refresh Kit - level 2 - This comprehensive kit eliminates weak spots in your cooling system - Assembled By ECS - Audi

This comprehensive kit eliminates weak spots in your cooling system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Manual transmission vehicles only

Brand:
Assembled By ECS - Corporate Logo
ES#:
4220582
Mfg#:
06H121026BAKT7
In Stock at Vendor
ON SALE!
$656.99

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

$603.64 USD
This product is lifetime replacement eligible Partial Replacement
ES#2973049 - 078117021AKT2 -  Oil Cooler Replacement Kit  - Includes the necessary components to replace your oil cooler and perform an engine oil service - Assembled By ECS - Audi

Includes the necessary components to replace your oil cooler and perform an engine oil service affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Up to VIN 8D-T-064172, split is in the 1996 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2973049
Mfg#:
078117021AKT2
Ships in 1 Business Day
ON SALE!
$167.30 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#5470103 - 8371 - CSF Universal Large Single-Pass Cooler - Universal cooler used for: engine oil, transmission oil, power-steering, differential oil, and as a water/coolant heat exchanger. - CSF - Audi BMW Volkswagen Mercedes Benz MINI

Universal cooler used for: engine oil, transmission oil, power-steering, differential oil, and as a water/coolant heat exchanger. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Universal fitment design - modifications may be necessary to run this cooler

Brand:
CSF - Corporate Logo
ES#:
5470103
Mfg#:
8371
Ships in 3 Business Days
$499.00 USD
Free Shipping
ES#3189426 - 620-831 - Auxiliary Fan Assembly - 280mm - 300W with round 2 pin connector - Dorman - Audi Volkswagen

300W with round 2 pin connector affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Valeo style assembly, please check existing manufacturer for proper fitment

Brand:
Dorman - Corporate Logo
ES#:
3189426
Mfg#:
620-831
Ships in 4 Business Days
$134.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3190049 - 902-814 - Thermostat Assembly - Includes housing, gasket & sensor - Dorman - Audi

Includes housing, gasket & sensor affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Dorman - Corporate Logo
ES#:
3190049
Mfg#:
902-814
Ships in 4 Business Days
$109.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2586570 - 8E0121251A1KT - Radiator Installation Kit - Includes everything you need to install a new radiator - Genuine Volkswagen Audi - Audi

Includes everything you need to install a new radiator affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2586570
Mfg#:
8E0121251A1KT
Ships in 3 Business Days
$437.99

This product was last offered at the strikethrough price on
12-20-2025

$385.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2813056 - 06C121111C - Thermostat Assembly - Housing included - Hamburg Tech - Audi

Housing included 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#:
2813056
Mfg#:
06C121111C
Ships in 2 Business Days
$46.99 USD
Free Shipping
on orders $49 and up
ES#2816314 - 8D0959455R - Auxiliary Fan Assembly - 280mm - 300W with round 2 pin connector - Hamburg Tech - Audi Volkswagen

300W with round 2 pin connector affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Valeo style assembly, please check existing manufacturer for proper fitment

Brand:
Hamburg Tech - Corporate Logo
ES#:
2816314
Mfg#:
8D0959455R
Ships in 2 Business Days
$131.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3520844 - 06B121132E - Cylinder Head Cooling Flange - Located at the rear of cylinder head, includes o-rings - Holstein - Audi

Located at the rear of cylinder head, includes o-rings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Holstein - Corporate Logo
ES#:
3520844
Mfg#:
06B121132E
Ships in 2 Business Days
$15.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#1306566 - 8D0121251M - Radiator - Fix leaks and keep your cooling system efficient - Nissens - Audi Volkswagen

Fix leaks and keep your cooling system efficient We Price Match - Give Us A Call or Chat! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Nissens - Corporate Logo
ES#:
1306566
Mfg#:
8D0121251M
In Stock at Vendor
$223.99 USD
This product is lifetime replacement eligible Lifetime Replacement
ES#2627329 - 8D0121055G - Radiator Hose - Lower - Connects the lower radiator port to the water pump and expansion tank - Rein - Audi Volkswagen

Connects the lower radiator port to the water pump and expansion tank affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Up to VIN 8D-Y-120000, split is in the 2000 model year

Brand:
Rein - Corporate Logo
ES#:
2627329
Mfg#:
8D0121055G
Ships in 4 Business Days
$36.99 USD
Free Shipping
on orders $49 and up

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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