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Volkswagen MK4 Engine Cooling Parts

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Performance Aluminum Radiator

ES#2764523 - MMRADGLF99 - Performance Aluminum Radiator - Increase your cooling capability by 30% when upgrading to a Mishimoto high performance aluminum radiator. - Mishimoto - Audi Volkswagen

Increase your cooling capability by 30% when upgrading to a Mishimoto high performance aluminum radiator. See description for installation details

Brand:
Mishimoto - Corporate Logo
ES#:
2764523
Mfg#:
MMRADGLF99
In Stock at Vendor
$357.99 USD
This product is lifetime replacement eligible Lifetime Replacement

CTS Coolant Tank Cap

ES#4620720 - CTS-ACC-009 - CTS Coolant Tank Cap - Lose the plastic! - CTS - Audi Volkswagen

Lose the plastic!

Brand:
CTS - Corporate Logo
ES#:
4620720
Mfg#:
CTS-ACC-009
Ships in 7 Business Days
ON SALE! SAVE 15%
$69.99

This product was last offered at the strikethrough price on
07-10-2026

$59.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Filter Adapter

ES#253059 - 06A115405BS - Oil Filter Adapter - With an integrated oil separator - Genuine Volkswagen Audi - Audi Volkswagen

With an integrated oil separator

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
253059
Mfg#:
06A115405BS
In Stock at Vendor
7% off MSRP

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

$462.99

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

$428.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Racing Thermostat (82C)

ES#3184176 - MMTS-GTI-99 - Racing Thermostat (82C) - Prevent overheating and premature engine wear with a lower opening temperature - Mishimoto - Audi Volkswagen

Prevent overheating and premature engine wear with a lower opening temperature

Brand:
Mishimoto - Corporate Logo
ES#:
3184176
Mfg#:
MMTS-GTI-99
In Stock
$68.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Oil Cooler

ES#4818405 - 028117021L - Engine 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!

For vehicles with an AZG, BEV, AVH, or BBW engine code only

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818405
Mfg#:
028117021L
In Stock
ON SALE! SAVE 17%
$36.99

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

$30.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank Cap

ES#3485290 - 2Q0121321A - Coolant Expansion Tank Cap - Keep proper pressure in your coolant system - Genuine Volkswagen Audi - Audi Volkswagen Porsche

Keep proper pressure in your coolant system

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3485290
Mfg#:
2Q0121321A
In Stock
2% 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
07-28-2026

$41.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Primary Fan Assembly - 345MM

ES#2748163 - 1J0959455S - Primary Fan Assembly - 345MM - Main fan responsible for pulling air through your radiator. - URO - Audi Volkswagen

Main fan responsible for pulling air through your radiator. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2748163
Mfg#:
1J0959455S
In Stock
ON SALE!
$93.99

This product was last offered at the strikethrough price on
06-25-2026

$89.29 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

7 Piece Silicone Coolant Hose Kit - Black

ES#1843968 - FMKC005 - 7 Piece Silicone Coolant Hose Kit - Black - Replace your stock rubber hoses with silicone - Forge - Volkswagen

Replace your stock rubber hoses with silicone For vehicles with AWP engine code only

Brand:
Forge - Corporate Logo
ES#:
1843968
Mfg#:
FMKC005
Back Ordered
$377.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Control Unit

ES#2868696 - 1J0919506K - Auxiliary Fan Control Unit - 1 large 4 pin connector and 1 small 14 pin connector - Febi - Audi Volkswagen

1 large 4 pin connector and 1 small 14 pin connector 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with VIN from 9M-Y-000 001 only, split is in the 2000 model year

Brand:
Febi - Corporate Logo
ES#:
2868696
Mfg#:
1J0919506K
In Stock
$66.95

This product was last offered at the strikethrough price on
07-27-2026

$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Supply Pipe

ES#3170800 - 06A121065AK - Coolant Supply Pipe - Located along top of the intake manifold - MTC - Audi Volkswagen

Located along top of the intake manifold For vehicles with manual transmission only

Brand:
MTC - Corporate Logo
ES#:
3170800
Mfg#:
06A121065AK
In Stock
$28.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump - With Metal Impeller

ES#2495 - 021121004X - Water Pump - With Metal Impeller - Water pump with metal impeller and o-ring - Graf - Volkswagen

Water pump with metal impeller and o-ring

Brand:
Graf - Corporate Logo
ES#:
2495
Mfg#:
021121004X
In Stock at Vendor
$61.99

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

$42.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heater Core

ES#3489801 - 1J1819031B - Heater Core - Stop coolant loss and cure a fogged windshield - Febi - Audi Volkswagen

Stop coolant loss and cure a fogged windshield 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
3489801
Mfg#:
1J1819031B
In Stock
$75.99

This product was last offered at the strikethrough price on
04-17-2026

$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#2709358 - 1J0121407F - Coolant Expansion Tank - Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank - URO - Audi Volkswagen

Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2709358
Mfg#:
1J0121407F
In Stock
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Schwaben Radiator/ Intercooler / Oil Cooler Fin Comb

ES#2971417 - 015326SCH01A - Schwaben Radiator/ Intercooler / Oil Cooler Fin Comb - Straighten bent radiator or intercooler fins that block air flow - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Straighten bent radiator or intercooler fins that block air flow 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
2971417
Mfg#:
015326SCH01A
In Stock
ON SALE! SAVE 29%
$20.99

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

$14.99 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 Volkswagen

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

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