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Water Hose

Vaico Water Hose V10 4289

VAICO
Availability:
5+ in stock, ready to be shipped

Ships same or next business day

SKU V10-4289
$132.23 - $132.23
$132.23
$132.23 - $132.23
$132.23
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CALIFORNIA WARNING

Handling passenger or off-highway motor vehicle parts can expose you to chemicals such as phthalates and lead, which can cause cancer and reproductive harm. To minimize exposure, service the vehicle in a well-ventilated area, wear gloves, and wash your hands. For more information see www.P65Warnings.ca.gov/motor-vehicle-parts.

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VAICO

Water Hose

This product also goes by these part numbers: 8E0 121 101 J, 8E0121101J, V10-4289, V104289

This part also goes by the following cross reference.

Cross Reference Part Number: 8E0121101J

Fits These Vehicles 13 applications
A4
Make Model Engine Years
AUDI A4 B6 (8E2) 3.0 2000–2004
AUDI A4 B6 (8E2) 3.0 quattro 2000–2004
AUDI A4 B6 (8E2) 3.0 2001–2004
AUDI A4 B6 (8E2) 3.0 quattro 2001–2004
AUDI A4 B6 Avant (8E5) 3.0 2001–2004
AUDI A4 B6 Avant (8E5) 3.0 quattro 2001–2004
AUDI A4 B6 Avant (8E5) 3.0 2001–2004
AUDI A4 B6 Avant (8E5) 3.0 quattro 2001–2004
AUDI A4 B6 Convertible (8H7) 3.0 2002–2005
AUDI A4 B6 Convertible (8H7) 3.0 2002–2005
AUDI A4 B6 Convertible (8H7) 3.0 quattro 2003–2005
AUDI A4 B7 Avant (8ED) 3.0 quattro 2004–2006
B7 A4
Make Model Engine Years
AUDI A4 B7 (8EC) 3.0 quattro 2004–2006

Fitment data last updated: 2026-03-19

Fits 13 vehicle applications Check vehicle fitment before ordering View fitment

About this Coolant Hose

The VAICO V10-4289 coolant hose carries coolant between the engine, radiator, heater core or expansion tank. Hoses age from heat and pressure, and a single failed hose can empty the cooling system and overheat the engine within minutes.

Frequently asked questions

What are the signs of a failing coolant hose?

Coolant drips or dried coolant residue, a sweet smell, a hose that feels soft, swollen or cracked, a low-coolant warning, or rising engine temperature. Squeeze hoses when the engine is cold: a healthy hose feels firm but flexible.

What should I replace along with the hose?

Replace any clamps, O-rings or seals at the connections. Many European cars use plastic quick-connect fittings that become brittle with age, so inspect neighbouring hoses and fittings while the system is drained.

What coolant should I use?

Use the coolant type your car's manufacturer specifies, mixed to the correct ratio. Mixing incompatible coolants can cause deposits and reduce protection.

Can I replace a coolant hose myself?

Usually, yes. Let the engine cool completely before opening the system, catch and dispose of old coolant properly, and bleed the air out of the system afterwards following your car's procedure; trapped air can cause overheating.

How do I make sure this coolant hose fits my car?

Compare the part numbers listed on this page with the number on your old part or in your vehicle's parts catalog, and check the fitment information. If you are unsure, contact us with your VIN before ordering.

Euromotiv is an independent retailer of OEM, Genuine, and aftermarket automotive parts. We are not affiliated with, endorsed by, or authorized by Audi AG, Volkswagen AG, BMW AG, Mercedes-Benz Group AG, Dr. Ing. h.c. F. Porsche AG, MINI, or any other vehicle manufacturer. All trademarks, logos, and brand names are the property of their respective owners and are used solely for identification and compatibility purposes.