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

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
affirm financing terms & conditions
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

Volkswagen Passat Engine Heating & Cooling Hoses

Sort By
Filter By
Return to Top

034Motorsport Billet Coolant Vent Union

ES#4810768 - 034-102-Z048 - 034Motorsport Billet Coolant Vent Union - Designed to replace the factory plastic and failure-prone coolant union on the cylinder head of the EA888 Gen3 and Gen4 engines. - 034Motorsport - Audi Volkswagen

Designed to replace the factory plastic and failure-prone coolant union on the cylinder head of the EA888 Gen3 and Gen4 engines.

Brand:
034Motorsport - Corporate Logo
ES#:
4810768
Mfg#:
034-102-Z048
In Stock
ON SALE! SAVE 10%
$31.00

This product was last offered at the strikethrough price on
06-28-2026

$27.90 USD
Free Shipping

Coolant Pipe - Upgraded Aluminum

ES#4351838 - 06J121065F - Coolant Pipe - Upgraded Aluminum - Connects water pump to cylinder head coolant flange. Lifetime warranty! - URO Premium - Audi Volkswagen

Connects water pump to cylinder head coolant flange. Lifetime warranty! 2X Entries For Our 25th Anniversary Sweepstakes!

For vehicles with CBFA or CCTA engine code only

Brand:
URO Premium - Corporate Logo
ES#:
4351838
Mfg#:
06J121065F
In Stock
$29.95 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Pipe - Metal

ES#4828205 - 1K0121070BD-PRM - Coolant Pipe - Metal - Pair of plastic coolant lines between the auxiliary water pump and lower expansion tank hose - URO - Audi Volkswagen

Pair of plastic coolant lines between the auxiliary water pump and lower expansion tank hose 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with CBFA or CCTA engine code only

Brand:
URO - Corporate Logo
ES#:
4828205
Mfg#:
1K0121070BD-PRM
In Stock
$58.64 USD
Free Shipping
on orders $49 and up

Aluminum Water Pump Union - With Seals

ES#4028087 - 06H121131C - Aluminum Water Pump Union - With Seals - Featuring HD aluminum construction, offering a more robust design - Connection point between the oil cooler and the water pump assembly, includes o-rings - URO Premium - Audi Volkswagen

Featuring HD aluminum construction, offering a more robust design - Connection point between the oil cooler and the water pump assembly, includes o-rings 2X Entries For Our 25th Anniversary Sweepstakes!

For models with CCTA or CBFA engine codes

Brand:
URO Premium - Corporate Logo
ES#:
4028087
Mfg#:
06H121131C
In Stock
$9.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Silicone Coolant Hose Kit - Red

ES#4362413 - Aut-MK5-002-RED - Silicone Coolant Hose Kit - Red - Replace your stock rubber hoses with silicone - Autobahn Autoworx - Audi Volkswagen

Replace your stock rubber hoses with silicone For vehicles with BPY engine code only

Brand:
Autobahn Autoworx - Corporate Logo
ES#:
4362413
Mfg#:
AUT-MK5-002-RED
Ships in 1 Business Day
$275.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Banjo Bolt - Priced Each

ES#279534 - 06A145541J - Banjo Bolt - Priced Each - Hollow bolt that allows fluid to pass through. M14x26 - Genuine Volkswagen Audi - Audi Volkswagen

Hollow bolt that allows fluid to pass through. M14x26 For vehicles with VIN from 3B-3-100 001, split is in 2003 model year.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
279534
Mfg#:
06A145541J
In Stock
30% 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
02-23-2026

$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Metal Cooling Hose Adapter/Breather Assembly

ES#4715589 - 06K121143PRM - Metal Cooling Hose Adapter/Breather Assembly - Mounts in cylinder head for coolant hose connection. Upgrade from the factory brittle plastic! - URO - Audi Volkswagen

Mounts in cylinder head for coolant hose connection. Upgrade from the factory brittle plastic! 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4715589
Mfg#:
06K121143PRM
In Stock
$26.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Radiator Hose - Lower

ES#4004611 - 5C0122051N - Radiator Hose - Lower - Connects water pump to radiator - Rein - Volkswagen

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

Brand:
Rein - Corporate Logo
ES#:
4004611
Mfg#:
5C0122051N
In Stock
$108.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Pipe - Upgraded Aluminum

ES#4172031 - 06J121065F - Coolant Pipe - Upgraded Aluminum - Connects water pump to cylinder head coolant flange - Rein - Audi Volkswagen

Connects water pump to cylinder head coolant flange 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with CBFA or CCTA engine code only

Brand:
Rein - Corporate Logo
ES#:
4172031
Mfg#:
06J121065F
In Stock
$26.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Turbo Coolant Hose - Return

ES#4766160 - 06J121492C - Turbo Coolant Hose - Return - Keep your turbo system cooled properly - Bremmen Parts - Audi Volkswagen

Keep your turbo system cooled properly 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles with CBFA or CCTA engine code only

Brand:
Bremmen Parts - Corporate Logo
ES#:
4766160
Mfg#:
06J121492C
In Stock
ON SALE! SAVE 20%
$79.99

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

$63.64 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Pipe

ES#315206 - 1K0121070BD - Coolant Pipe - Pair of plastic coolant lines between the auxiliary water pump and lower expansion tank hose - Genuine Volkswagen Audi - Audi Volkswagen

Pair of plastic coolant lines between the auxiliary water pump and lower expansion tank hose For vehicles with CBFA or CCTA engine code only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
315206
Mfg#:
1K0121070BD
In Stock
ON SALE!
$127.80

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

$121.41 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Pipe

ES#4172032 - 1K0121070BD - Coolant Pipe - Pair of plastic coolant lines between the auxiliary water pump and lower expansion tank hose - Rein - Audi Volkswagen

Pair of plastic coolant lines between the auxiliary water pump and lower expansion tank hose 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with CBFA or CCTA engine code only

Brand:
Rein - Corporate Logo
ES#:
4172032
Mfg#:
1K0121070BD
In Stock
$52.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sealing Washer - Priced Each

ES#9618 - 216-14018 - Sealing Washer - Priced Each - Install new hardware with your new parts. M14x18 - OE Aftermarket - Audi Volkswagen

Install new hardware with your new parts. M14x18

Brand:
OE Aftermarket - Corporate Logo
ES#:
9618
Mfg#:
216-14018
In Stock
$2.23 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sealing Washer - Priced Each

ES#466245 - N0138149 - Sealing Washer - Priced Each - Install new hardware with your new parts. M14.2x17.9x1.5 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M14.2x17.9x1.5

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
466245
Mfg#:
N0138149
In Stock
24% off MSRP

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

$4.18

This product was last offered at the strikethrough price on
07-19-2026

$3.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Coolant Pipe

ES#4818598 - 1K0121070BD - Coolant Pipe - Pair of plastic coolant lines between the auxiliary water pump and lower expansion tank hose - Bremmen Parts - Audi Volkswagen

Pair of plastic coolant lines between the auxiliary water pump and lower expansion tank hose 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles with CBFA or CCTA engine code only

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818598
Mfg#:
1K0121070BD
In Stock
ON SALE! SAVE 20%
$38.99

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

$31.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Heating & Cooling Hoses

Over time, the rubber cooling hoses in your engine's cooling system become brittle and can burst or crack, resulting in a coolant leak. Replace old and tired coolant hoses with OEM cooling hoses or quality aftermarket options to save some money.

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