Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle

No Vehicle selected
Please select your vehicle below.

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

Volkswagen Passat Engine Cooling Parts

Sort By
Filter By
Return to Top

Expansion Tank Hose - Upper

ES#5433718 - 1K0122447EQ - Expansion Tank Hose - Upper - Replace at the first signs of leakage - URO - Audi Volkswagen

Replace at the first signs of leakage 2X Entries Into Our F80 M3 Sweepstakes
For vehicles with BPY engine code only

Brand:
URO - Corporate Logo
ES#:
5433718
Mfg#:
1K0122447EQ
Ships in 1 Business Day
$62.99 USD
Free Shipping
on orders $49 and up

Expansion Tank Hose - Upper

ES#5433719 - 1K0122447EQ - Expansion Tank Hose - Upper - Replace at the first signs of leakage - URO - Audi Volkswagen

Replace at the first signs of leakage 2X Entries Into Our F80 M3 Sweepstakes
For vehicles with BPY engine code only

Brand:
URO - Corporate Logo
ES#:
5433719
Mfg#:
1K0122447EQ
Ships in 1 Business Day
$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bolt - Priced Each

ES#466546 - N0147821 - Bolt - Priced Each - Use new hardware with your new parts. M6x25 - Genuine Volkswagen Audi - Volkswagen

Use new hardware with your new parts. M6x25

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
466546
Mfg#:
N0147821
In Stock
ON SALE!
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Upper

ES#3235887 - 8D0121101K - Radiator Hose - Upper - Connects the upper radiator port to the hard water pipe - Gates - Audi Volkswagen

Connects the upper radiator port to the hard water pipe

Brand:
Gates - Corporate Logo
ES#:
3235887
Mfg#:
8D0121101K
Ships on Sep 25, 2026
$62.78 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler

ES#2812900 - 028117021E - Oil Cooler - Common source of undiscoverable coolant leaks - Hamburg Tech - Audi Volkswagen

Common source of undiscoverable coolant leaks We Price Match - Give Us A Call or Chat!
For vehicles with VIN from 3B-Y-000 001 only, split is in the 2000 model year

Brand:
Hamburg Tech - Corporate Logo
ES#:
2812900
Mfg#:
028117021E
Ships in 1 Business Day
$61.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Pipe Kit

ES#3546691 - 03h121091KT - Coolant Pipe Kit - Includes gasket and hardware - Genuine Volkswagen Audi - Volkswagen

Includes gasket and hardware

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3546691
Mfg#:
03H121091KT
Ships in 1-2 days
$61.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Distribution Pipe

ES#4883836 - 1J0121087B - Coolant Distribution Pipe - Three way connector that attaches directly to the upper radiator hose - Rein - Audi Volkswagen

Three way connector that attaches directly to the upper radiator hose 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4883836
Mfg#:
1J0121087B
In Stock at Vendor
ON SALE! SAVE 14%
$8.99

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

$7.74 USD
Free Shipping
on orders $49 and up

Oil Cooler

ES#4165021 - 028117021E - Oil Cooler - Common source of undiscoverable coolant leaks - URO - Audi Volkswagen

Common source of undiscoverable coolant leaks 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For vehicles with VIN from 3B-Y-000 001 only, split is in the 2000 model year

Brand:
URO - Corporate Logo
ES#:
4165021
Mfg#:
028117021E
Ships in 1 Business Day
$60.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Lower

ES#2627491 - 8D0121055AA - Radiator Hose - Lower - Thermostat housing to lower radiator. - Hutchinson Worldwide - Volkswagen

Thermostat housing to lower radiator. For vehicles with VIN from 3B-1-050 001 only, split is in the 2001 model year

Brand:
Hutchinson Worldwide - Corporate Logo
ES#:
2627491
Mfg#:
8D0121055AA
Ships in 1-2 days
$62.99

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

$60.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat

ES#2539450 - 06H121113B - Thermostat - Keep your cooling system efficient - Febi - Audi Volkswagen

Keep your cooling system efficient We Price Match - Give Us A Call or Chat!
For vehicles with CCTA engine code only

Brand:
Febi - Corporate Logo
ES#:
2539450
Mfg#:
06H121113B
Ships on Dec 3, 2026
$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Auxiliary Fan Switch - 4 Pin

ES#2901738 - 8D0959481B - Auxiliary Fan Switch - 4 Pin - Located on the lower radiator hose connection - Vemo - Audi Volkswagen

Located on the lower radiator hose connection

Brand:
Vemo - Corporate Logo
ES#:
2901738
Mfg#:
8D0959481B
Ships in 1 Business Day
$20.99

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

$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Flange Plug - Priced Each

ES#333289 - 357121140 - Coolant Flange Plug - Priced Each - Prevent leaks with a new plug - Genuine Volkswagen Audi - Audi Volkswagen

Prevent leaks with a new plug

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
333289
Mfg#:
357121140
Ships on Sep 8, 2026
14% off MSRP

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

$13.99

This product was last offered at the strikethrough price on
09-05-2026

$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat

ES#2741709 - 04L121113C - Thermostat - Regulates flow of coolant according to temperature - Genuine Volkswagen Audi - Volkswagen

Regulates flow of coolant according to temperature For vehicles with CVCA engine code only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2741709
Mfg#:
04L121113C
Ships in 1-2 days
6% off MSRP

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

$62.99

This product was last offered at the strikethrough price on
09-05-2026

$58.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling Pipe Adaptor

ES#268981 - 021121133D - Cooling Pipe Adaptor - Cooling pipe adaptor from crack pipe to thermostat housing - Genuine Volkswagen Audi - Volkswagen

Cooling pipe adaptor from crack pipe to thermostat housing

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
268981
Mfg#:
021121133D
Back Ordered
Auto Notify
8% off MSRP

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

$63.99

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

$58.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose

ES#4818599 - 1K0121109AL - Coolant Hose - Connecting hose between the pair of expansion tank pipes and the pipe that connects the water pump to the coolant flange - Bremmen Parts - Audi Volkswagen

Connecting hose between the pair of expansion tank pipes and the pipe that connects the water pump to the coolant flange 10X Entries Into Our F80 M3 Sweepstakes

For vehicles with CBFA or CCTA engine code only

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818599
Mfg#:
1K0121109AL
In Stock
ON SALE! SAVE 27%
$8.99

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

$6.52 USD
Free Shipping
on orders $49 and up

Radiator Hose - Lower

ES#3463132 - 4B0121055J - Radiator Hose - Lower - Connects the lower radiator port to the water pump and expansion tank - Hudson - Audi Volkswagen

Connects the lower radiator port to the water pump and expansion tank For vehicles with AUG or AWM engine codes only.

Brand:
Hudson - Corporate Logo
ES#:
3463132
Mfg#:
4B0121055J
Ships in 1-2 days
$57.99 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

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings