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Volkswagen MK4 Engine Cooling Parts

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Expansion Tank Hose - Lower

ES#3625922 - 1J0122109AQ - Expansion Tank Hose - Lower - Replace at the first signs of leakage - URO - Audi Volkswagen

Replace at the first signs of leakage 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3625922
Mfg#:
1J0122109AQ
In Stock
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flush Kit

ES#3063385 - G013A8JM1KT - Coolant Flush Kit - Includes Schwaben coolant refill/air purge tool and 3 liters of G13 coolant. - Assembled By ECS - Audi Volkswagen

Includes Schwaben coolant refill/air purge tool and 3 liters of G13 coolant. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3063385
Mfg#:
G013A8JM1KT
In Stock
ON SALE!
$144.99

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

$131.72 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Billet Aluminum Coolant Distribution Pipe

Replacement 3-way outlet at upper radiator hose in aluminum For vehicles with manual transmission only

Brand:
iABED Industries - Corporate Logo
ES#:
4941323
Mfg#:
462-121-187L
Back Ordered
$129.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Switch � 95-102�C

ES#2146769 - 1H0698481B - Auxiliary Fan Switch 95-102C - Square connector with rounded ends, includes O-Ring - Genuine Volkswagen Audi - Volkswagen

Square connector with rounded ends, includes O-Ring For vehicles with square connector only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2146769
Mfg#:
1H0698481B
Ships in 2 Business Days
$129.99

This product was last offered at the strikethrough price on
08-31-2026

$128.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Expanding Nut - Priced Each

ES#2891455 - 811807577C - Expanding Nut - Priced Each - Install new hardware with your new parts. - Vaico - Audi Volkswagen

Install new hardware with your new parts. We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2891455
Mfg#:
811807577C
In Stock
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#259317 - 06A121121C - Thermostat Housing - Common point of failure for the cooling system. Does not include O-ring. - Genuine Volkswagen Audi - Volkswagen

Common point of failure for the cooling system. Does not include O-ring.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
259317
Mfg#:
06A121121C
Ships in 4 Business Days
1% off MSRP

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

$42.98

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

$42.41 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Y Flange

ES#4348606 - Aut-mk4-cf2 - Billet Y Flange - Billet Y flange. Eliminate the fail prone plastic flange located by the coolant reservoir. - Autobahn Autoworx - Volkswagen

Billet Y flange. Eliminate the fail prone plastic flange located by the coolant reservoir.

Brand:
Autobahn Autoworx - Corporate Logo
ES#:
4348606
Mfg#:
AUT-MK4-CF2
Special Order: No Guaranteed ETA
$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump

ES#2535053 - 038121011A - Water Pump - Featuring a metal impeller, includes O-Ring - URO - Volkswagen

Featuring a metal impeller, includes O-Ring 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For vehicles with ALH engine code only

Brand:
URO - Corporate Logo
ES#:
2535053
Mfg#:
038121011A
Ships in 1 Business Day
$41.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Drain Adapter

ES#4164538 - 6Q0122291F - Coolant Drain Adapter - Lower radiator drain coupling adapter - URO - Audi Volkswagen

Lower radiator drain coupling adapter 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4164538
Mfg#:
6Q0122291F
In Stock
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Fan Switch Gasket

ES#9109 - N0438083 - Radiator Fan Switch Gasket - Install new hardware with your new parts. 22x29x1.50 - Victor Reinz - Audi Volkswagen

Install new hardware with your new parts. 22x29x1.50

Brand:
Victor Reinz - Corporate Logo
ES#:
9109
Mfg#:
N0438083
In Stock
$5.92 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Upper

ES#2816839 - 1J0122101D - Radiator Hose - Upper - Runs from cooling flange to radiator - Febi - Volkswagen

Runs from cooling flange to radiator We Price Match - Give Us A Call or Chat!
For automatic transmissions only.

Brand:
Febi - Corporate Logo
ES#:
2816839
Mfg#:
1J0122101D
Ships in 1-2 days
$71.99

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

$61.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Primary Fan Assembly - 345MM

ES#3492481 - 6X0959455F - Primary Fan Assembly - 345MM - Main fan responsible for pulling air through your radiator. - Nissens - Audi Volkswagen

Main fan responsible for pulling air through your radiator. We Price Match - Give Us A Call or Chat!

Brand:
Nissens - Corporate Logo
ES#:
3492481
Mfg#:
6X0959455F
Ships in 6 Business Days
$122.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Upper Radiator Coupler

ES#4872127 - 1J0122291 - Upper Radiator Coupler - Coupler that connects the upper radiator hose to the radiator - URO - Volkswagen

Coupler that connects the upper radiator hose to the radiator 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4872127
Mfg#:
1J0122291
In Stock
$5.75 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Radiator

ES#3132603 - 1J0121253R - Coolant Radiator - OE-style Nissens replacement 2-row radiator - Nissens - Volkswagen

OE-style Nissens replacement 2-row radiator We Price Match - Give Us A Call or Chat!

Brand:
Nissens - Corporate Logo
ES#:
3132603
Mfg#:
1J0121253R
Ships in 1 Business Day
$123.99

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

$119.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Hose - Lower

ES#3235520 - 1J0122109AL - Expansion Tank Hose - Lower - Connects to lower port on expansion tank - Gates - Volkswagen

Connects to lower port on expansion tank

Brand:
Gates - Corporate Logo
ES#:
3235520
Mfg#:
1J0122109AL
Back Ordered
$61.99

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

$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose

ES#4810083 - 1J0122073A - Coolant Hose - Rein - Volkswagen

2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4810083
Mfg#:
1J0122073A
Back Ordered
$39.99 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.

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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