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Water Hose

Genuine VW/Audi Water Hose 1K0 121 063 J

GENUINE VW/AUDI
Disponibilidad:
5+ en stock, listo para ser enviado

Ships same or next business day

SKU 1K0-121-063 J
$33.46 - $33.46
$33.46
$33.46 - $33.46
$33.46
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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This Genuine VW/Audi Water Hose (1K0 121 063 J) is an OEM replacement coolant hose for the engine cooling system. It ensures proper coolant flow and prevents leaks. Fits MK5 Golf, Jetta, B6 Passat, and 8P A3 models.

Key Features & Benefits

  • OEM Quality: Made to original specifications for exact fit and performance.
  • Reinforced Rubber Construction: Resists heat, pressure, and coolant chemicals.
  • Direct Replacement: No modifications needed; includes molded bends for proper routing.
  • Prevents Overheating: Maintains reliable cooling system operation.

Vehicle Fitment

Make Model Years
Volkswagen Golf 2005–2009
Volkswagen Jetta 2005–2009
Volkswagen Passat 2006–2010
Audi A3 2003–2013

Technical Specifications

Part Number 1K0 121 063 J
OEM Cross Reference 1K0121063J

Installation Notes

Direct replacement; ensure coolant is drained before installation. Professional installation recommended.

About Genuine VW/Audi

Genuine VW/Audi parts are manufactured to original equipment specifications, ensuring perfect fit and reliable performance.

This part also goes by the following cross reference.

Cross Reference Part Number: 1K0121063J

Fits These Vehicles 4 applications
MK5 Golf
Make Model Engine Years
Volkswagen Golf 2005–2009
MK5 Jetta
Make Model Engine Years
Volkswagen Jetta 2005–2009
B6 Passat
Make Model Engine Years
Volkswagen Passat 2006–2010
8P A3
Make Model Engine Years
Audi A3 2003–2013
Fits 4 vehicle applications Check vehicle fitment before ordering View fitment

About this Coolant Hose

The GENUINE VW/AUDI 1K0-121-063 J 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.