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Volkswagen MK4 Engine Cooling Parts

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Quick Disconnect Coupler

ES#2586520 - 3B0122291B - Quick Disconnect Coupler - Push tab connector used in various places on the cooling system - Vemo - Audi Volkswagen

Push tab connector used in various places on the cooling system

Brand:
Vemo - Corporate Logo
ES#:
2586520
Mfg#:
3B0122291B
In Stock
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator hose

For vehicles with AWW or AWD engine code through the 2001 model year only. Also fits vehicles with AWW or AWP engine code with manual transmission from the 2002 model year

Brand:
Burgaflex - Corporate Logo
ES#:
4349517
Mfg#:
1J0122051H
Ships in 8 Business Days
$24.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose

ES#307142 - 1J0121051L - Coolant Hose - Connects water pipe to auxiliary radiator return - Genuine Volkswagen Audi - Volkswagen

Connects water pipe to auxiliary radiator return

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
307142
Mfg#:
1J0121051L
Ships in 1 day
11% off MSRP

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

$26.99

This product was last offered at the strikethrough price on
07-30-2026

$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Lower

ES#2515536 - 1J0122051AN - Radiator Hose - Lower - Lower radiator hose for automatic transmission cars. - MTC - Volkswagen

Lower radiator hose for automatic transmission cars. For vehicles with BEW engine code and automatic transmission only

Brand:
MTC - Corporate Logo
ES#:
2515536
Mfg#:
1J0122051AN
Ships in 9 Business Days
$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Drain Adapter

ES#3190071 - 902-919 - Coolant Drain Adapter - Lower radiator drain coupling adapter - Dorman - Audi Volkswagen

Lower radiator drain coupling adapter

Brand:
Dorman - Corporate Logo
ES#:
3190071
Mfg#:
902-919
Ships in 4 Business Days
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange

ES#2813010 - 06A121132Q - Coolant Flange - Located on the driver side of the cylinder head, this pipe contains the coolant tempature sensor - Hamburg Tech - Audi Volkswagen

Located on the driver side of the cylinder head, this pipe contains the coolant tempature sensor We Price Match - Give Us A Call or Chat!
For vehicles with manual transmission only

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813010
Mfg#:
06A121132Q
Ships in 1 Business Day
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 71�C

ES#1647 - 056121113E - Thermostat - 71C - With Sealing Ring, Low Temperature - Wahler - Audi Volkswagen

With Sealing Ring, Low Temperature

Brand:
Wahler - Corporate Logo
ES#:
1647
Mfg#:
056121113E
Ships in 1 day
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Distribution Pipe

ES#3190069 - 902-914 - Coolant Distribution Pipe - Plastic 3-way oulet at upper radiator hose - Dorman - Audi Volkswagen

Plastic 3-way oulet at upper radiator hose

Brand:
Dorman - Corporate Logo
ES#:
3190069
Mfg#:
902-914
Ships in 4 Business Days
$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Hose - Lower

ES#3142722 - 1J0122109AQ - Expansion Tank Hose - Lower - Replace at the first signs of leakage - Hudson - Audi Volkswagen

Replace at the first signs of leakage

Brand:
Hudson - Corporate Logo
ES#:
3142722
Mfg#:
1J0122109AQ
Ships in 1 day
$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 80°C

ES#3149471 - 075121113D - Thermostat - 80C - Does not include sealing O-Ring - Wahler - Audi Volkswagen

Does not include sealing O-Ring

Brand:
Wahler - Corporate Logo
ES#:
3149471
Mfg#:
075121113D
Ships on Aug 24, 2026
$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose

ES#3235515 - 1J0122101AT - Coolant Hose - Connects water pipe to auxiliary radiator supply port - Gates - Volkswagen

Connects water pipe to auxiliary radiator supply port

Brand:
Gates - Corporate Logo
ES#:
3235515
Mfg#:
1J0122101AT
Back Ordered
$22.99

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

$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose

From hard coolant pipe to heater core For vehicles with VIN from 9M-1-095 001 only, split is in the 2001 model year

Brand:
Burgaflex - Corporate Logo
ES#:
4349518
Mfg#:
1J0122073BG
Back Ordered
$21.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Expansion Tank Cap

ES#2802007 - 1J0121321B - Expansion Tank Cap - Keep proper pressure on your coolant - Rein - Audi Volkswagen Porsche

Keep proper pressure on your coolant 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2802007
Mfg#:
1J0121321B
Ships on Aug 17, 2026
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hose coupling

ES#2882241 - 1J0122291G - Hose coupling - Connects to heater core return - Vaico - Volkswagen

Connects to heater core return We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2882241
Mfg#:
1J0122291G
Ships on Nov 23, 2026
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose Coupler

ES#2561851 - 1J0122291B - Coolant Hose Coupler - Replace brittle plastic parts. - Vaico - Volkswagen

Replace brittle plastic parts. We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
2561851
Mfg#:
1J0122291B
In Stock at Vendor
$7.20 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#2954035 - 038121121dkt3 - Thermostat Replacement Kit - Maintain proper operating temperature with a new thermostat, housing and hardware - Assembled By ECS - Volkswagen

Maintain proper operating temperature with a new thermostat, housing and hardware 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with BEW engine code only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2954035
Mfg#:
038121121DKT3
In Stock
ON SALE! SAVE 24%
$27.99

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

$21.41 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.

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