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

Auxiliary Water Pump

ES#4232 - 034965561C - Auxiliary Water Pump - Electric water pump - Bosch - Audi Volkswagen

Electric water pump 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
4232
Mfg#:
034965561C
In Stock at Vendor
$152.61 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

In-line Thermostat

ES#4931905 - 1K0121113A - In-line Thermostat - Ensures proper coolant flow to the automatic transmission oil cooler - Bremmen Parts - Volkswagen

Ensures proper coolant flow to the automatic transmission oil cooler 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4931905
Mfg#:
1K0121113A
In Stock
ON SALE!
$19.99

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

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

Oil Filter Adapter Gasket

ES#270997 - 028115441C - Oil Filter Adapter Gasket - Seals the oil filter adapter to the engine block - Genuine Volkswagen Audi - Audi Volkswagen

Seals the oil filter adapter to the engine block For vehicles with AEB or ATW engine codes only.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
270997
Mfg#:
028115441C
Ships in 1 day
10% off MSRP

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

$20.99

This product was last offered at the strikethrough price on
07-21-2026

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

Auxiliary Fan Switch � 75-82�C

ES#1928244 - 1H0959481D - Auxiliary Fan Switch 75-82C - Square connector with rounded ends - Meyle - Audi Volkswagen

Square connector with rounded ends 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with square connector only

Brand:
Meyle - Corporate Logo
ES#:
1928244
Mfg#:
1H0959481D
In Stock
ON SALE!
$15.99

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

$15.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Cooler Hose - Supply

ES#277605 - 058121058C - Oil Cooler Hose - Supply - 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 AEB or ATW engine codes only, with VIN up to 3B-X-517 104, split is in 1999 model year.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
277605
Mfg#:
058121058C
Ships in 2 Business 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.

$79.99

This product was last offered at the strikethrough price on
07-21-2026

$74.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heavy Duty Water Pump

ES#3524513 - 03L121011P - Heavy Duty Water Pump - Keep your coolant flowing to prevent overheating - Meyle HD - Volkswagen

Keep your coolant flowing to prevent overheating 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with CKRA engine code only

Brand:
Meyle HD - Corporate Logo
ES#:
3524513
Mfg#:
03L121011P
Ships on Nov 30, 2026
$74.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Thermostat O-Ring

ES#11800 - N90136802 - Thermostat O-Ring - Ensure a proper seal when installing your new thermostat - Febi - Audi BMW Volkswagen

Ensure a proper seal when installing your new thermostat 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
11800
Mfg#:
N90136802
In Stock
$1.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Lower

ES#2872396 - 8D0121055G - Radiator Hose - Lower - Connects the lower radiator port to the water pump & reservoir - Febi - Audi Volkswagen

Connects the lower radiator port to the water pump & reservoir 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with AEB or ATW engine codes only, with VIN up to 8D-Y-120000, split is in the 2000 model year.

Brand:
Febi - Corporate Logo
ES#:
2872396
Mfg#:
8D0121055G
In Stock at Vendor
$49.99

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

$48.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank

ES#5346938 - EPT0030 - Coolant Expansion Tank - Does not include cap - Rein - Audi Volkswagen

Does not include cap 2X Entries For Our 25th Anniversary Sweepstakes!
2X Entries For Our G87 M2 Sweepstakes!

Brand:
Rein - Corporate Logo
ES#:
5346938
Mfg#:
EPT0030
In Stock
$20.99 USD
Free Shipping
on orders $49 and up

Oil Cooler Hose - Supply

ES#2627305 - 06B121058S - Oil Cooler Hose - Supply - Connects the oil cooler to the hard water pipe - Rein - Audi Volkswagen

Connects the oil cooler to the hard water pipe 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with AUG or AWM engine codes only.

Brand:
Rein - Corporate Logo
ES#:
2627305
Mfg#:
06B121058S
In Stock
$6.66 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Housing O-Ring

ES#2394 - 021121119A - Thermostat Housing O-Ring - O-Ring between thermostat housing and cylinder head - Victor Reinz - Audi Volkswagen

O-Ring between thermostat housing and cylinder head

Brand:
Victor Reinz - Corporate Logo
ES#:
2394
Mfg#:
021121119A
In Stock
$10.99

This product was last offered at the strikethrough price on
04-28-2026

$4.07 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Return Hose

ES#4376413 - 1K0121063J - Coolant Return Hose - Connects the auxiliary water pump to the hard water pipe - URO - Audi Volkswagen

Connects the auxiliary water pump to the hard water pipe 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4376413
Mfg#:
1K0121063J
Ships in 1 Business Day
ON SALE!
$21.99

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

$20.89 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Cooling System Coupler

ES#2597931 - 1J0122291D - Cooling System Coupler - Keep your cooling system leak free - URO - Audi Volkswagen

Keep your cooling system leak free 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2597931
Mfg#:
1J0122291D
In Stock
ON SALE!
$5.00

This product was last offered at the strikethrough price on
07-14-2026

$4.85 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

FSI Oil Cooler Adapter Plate Kit - Clear Anodized

ES#3470649 - 462-635-0008 - FSI Oil Cooler Adapter Plate Kit - Clear Anodized - Allows for clean installation of an external oil cooler - iABED Industries - Audi Volkswagen

Allows for clean installation of an external oil cooler For vehicles with FSI engines only

Brand:
iABED Industries - Corporate Logo
ES#:
3470649
Mfg#:
462-635-0008
Special Order: No Guaranteed ETA
$145.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Oil Cooler

ES#3438770 - 06D117021C - Engine Oil Cooler - Lowers engine oil temperature - Behr - Audi Volkswagen

Lowers engine oil temperature For vehicles with FSI engines only

Brand:
Behr - Corporate Logo
ES#:
3438770
Mfg#:
06D117021C
Ships in 1 day
$148.99

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

$144.99 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