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

Water Pump O-Ring

ES#2538531 - 06A121119 - Water Pump O-Ring - Ensure a proper seal when installing a new water pump. 53x4mm - Rein - Audi Volkswagen

Ensure a proper seal when installing a new water pump. 53x4mm 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For vehicles with AUG or AWM engine codes only.

Brand:
Rein - Corporate Logo
ES#:
2538531
Mfg#:
06A121119
In Stock at Vendor
ON SALE! SAVE 27%
$3.99

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

$2.90 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose

ES#342795 - 3C0121058AS - Coolant Hose - Attaches to front port of oil cooler - Genuine Volkswagen Audi - Volkswagen

Attaches to front port of oil cooler Fits vehicles with CBFA engine code only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
342795
Mfg#:
3C0121058AS
Ships in 1-2 days
13% off MSRP

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

$22.99

This product was last offered at the strikethrough price on
09-06-2026

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

Wire Seal - Priced Each

ES#1065936 - 1J0972741B - Wire Seal - Priced Each - Small blue seal for keeping your connections dry - Genuine Volkswagen Audi - Volkswagen

Small blue seal for keeping your connections dry

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1065936
Mfg#:
1J0972741B
Ships in 1-2 days
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Washer - Priced Each

ES#248576 - N01152426 - Washer - Priced Each - Install new hardware with your new parts. 6.4x12.5x1.6 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. 6.4x12.5x1.6 Used to secure thermostat housing, three required

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
248576
Mfg#:
N01152426
Ships in 1-2 days
19% off MSRP

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

$1.64

This product was last offered at the strikethrough price on
09-06-2026

$1.33 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Multipurpose Relay - Priced Each

ES#3143292 - 443951253J - Multipurpose Relay - Priced Each - Replacement 4 pin relay - Rein - Audi Volkswagen

Replacement 4 pin relay 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Used for fan control

Brand:
Rein - Corporate Logo
ES#:
3143292
Mfg#:
443951253J
Back Ordered
ON SALE! SAVE 11%
$21.99

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

$19.54 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

WATER HOSE

ES#4151257 - 1K0121109AK - WATER HOSE - Rein - Audi Volkswagen

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

Brand:
Rein - Corporate Logo
ES#:
4151257
Mfg#:
1K0121109AK
Ships in 3 Business Days
ON SALE!
$19.99

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

$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose

ES#281150 - 06F121058D - Coolant Hose - Connects the oil cooler to the hard water pipe - Genuine Volkswagen Audi - Audi Volkswagen

Connects the oil cooler to the hard water pipe For vehicles with BPY engine code only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
281150
Mfg#:
06F121058D
Ships in 1-2 days
14% off MSRP

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

$21.99

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

$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Gasket - Priced Each

ES#315342 - 1K0121345C - Radiator Gasket - Priced Each - Found at both the top and bottom of the radiator - Genuine Volkswagen Audi - Audi Volkswagen

Found at both the top and bottom of the radiator

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
315342
Mfg#:
1K0121345C
Ships in 1-2 days
14% off MSRP

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

$21.99

This product was last offered at the strikethrough price on
09-06-2026

$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Hose

ES#4151264 - 1K0122447FT - Coolant Hose - Upper expansion tank hose - Rein - Volkswagen

Upper expansion tank hose 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Fits vehicles with CCTA or CBFA engine code only

Brand:
Rein - Corporate Logo
ES#:
4151264
Mfg#:
1K0122447FT
Back Ordered
ON SALE!
$19.99

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

$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor

ES#9605 - 026906161 - Coolant Temperature Sensor - White 2 pin connector - Meyle - Volkswagen

White 2 pin connector 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
9605
Mfg#:
026906161
Ships on Sep 23, 2026
$18.85 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing

ES#3190087 - 902-963 - Thermostat Housing - Common point of failure or leaking for the cooling system - Dorman - Volkswagen

Common point of failure or leaking for the cooling system

Brand:
Dorman - Corporate Logo
ES#:
3190087
Mfg#:
902-963
Ships in 4 Business Days
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Temperature Sensor - 2 Pin

ES#2840855 - 06A919501A - Coolant Temperature Sensor - 2 Pin - Monitors coolant temperature for fan control & gauge readings - Meyle - Audi Volkswagen

Monitors coolant temperature for fan control & gauge readings 5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Please check existing sensor color

Brand:
Meyle - Corporate Logo
ES#:
2840855
Mfg#:
06A919501A
Ships on Sep 23, 2026
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermal Switch - 2 Pin

ES#2608211 - 357919369F - Thermal Switch - 2 Pin - Located in the coolant pipe that connects to the cylinder head - Febi - Audi Volkswagen

Located in the coolant pipe that connects to the cylinder head We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2608211
Mfg#:
357919369F
Back Ordered
Auto Notify
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Cooling Hose Adapter/Breather Assembly

ES#4859726 - 06K121143 - Cooling Hose Adapter/Breather Assembly - Mounts in cylinder head for coolant hose connection - Vaico - Volkswagen

Mounts in cylinder head for coolant hose connection We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
4859726
Mfg#:
06K121143
Ships on Dec 31, 2026
$8.99 USD
Free Shipping
on orders $49 and up

Sealing O-Ring - Priced Each

ES#2469 - 037121687 - Sealing O-Ring - Priced Each - Install a new o-ring for a proper seal. 36x3.15 - Victor Reinz - Audi Volkswagen

Install a new o-ring for a proper seal. 36x3.15

Brand:
Victor Reinz - Corporate Logo
ES#:
2469
Mfg#:
037121687
In Stock
$3.99

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

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Cover

ES#2953983 - 07K121121B - Thermostat Cover - Found on the thermostat housing - Hamburg Tech - Volkswagen

Found on the thermostat housing We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2953983
Mfg#:
07K121121B
Ships in 1 Business Day
ON SALE! SAVE 10%
$19.99

This product was last offered at the strikethrough price on
09-03-2026

$17.91 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