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Rein CHR0399 Water Hose - 1K0122101FD Replacement for VW Mk5/Mk6 (2007-2014)
Water Hose
Rein CHR0399 Water Hose - 1K0122101FD Replacement for VW Mk5/Mk6 (2007-2014)
Water Hose

Rein CHR0399 Water Hose - 1K0122101FD Replacement for VW Mk5/Mk6 (2007-2014)

REIN AUTOMOTIVE
Disponibilité:
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Ships same or next business day

UGC CHR0399
$46.88 - $46.88
$46.88
$46.88 - $46.88
$46.88
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 Rein Water Hose (CHR0399) is a direct replacement for the OEM part 1K0122101FD, designed for VW models equipped with the 2.5L 5-cylinder engine. It fits Jetta, Golf, and Rabbit vehicles from the Mk5 and Mk6 generations (2007-2014). The hose maintains proper coolant flow with OE-quality construction, ensuring reliable cooling system performance.

Key Features & Benefits

  • OE Cross-Reference: Directly replaces OEM part number 1K0122101FD for a perfect fit.
  • Durable Material: Constructed from high-quality rubber to resist heat, pressure, and chemical breakdown.
  • Versatile Fitment: Covers multiple VW models with the 2.5L engine across Mk5 and Mk6 generations.
  • Leak-Free Seal: Factory-style connector ensures a tight, leak-proof connection.

Vehicle Fitment

Make Model Years Engine
Volkswagen Jetta 2007–2010 2.5L5
Volkswagen Jetta 2011–2014 2.5L5
Volkswagen Golf 2010–2014 2.5L5
Volkswagen Rabbit 2007–2009 2.5L5

Technical Specifications

Part Number CHR0399
OEM Cross-Reference 1K0122101FD

Installation Notes

Professional installation recommended; flush coolant system before installation.

About REIN AUTOMOTIVE

Rein Automotive supplies OE-quality cooling system parts trusted by mechanics worldwide.

This part also goes by the following cross reference.

Cross Reference Part Number: 1K0122101FD

Fits These Vehicles 4 applications
MK5 Jetta
Make Model Engine Years
Volkswagen Jetta 2.5L5 2007–2010
MK6 Jetta
Make Model Engine Years
Volkswagen Jetta 2.5L5 2011–2014
MK6 Golf
Make Model Engine Years
Volkswagen Golf 2.5L5 2010–2014
MK5 Rabbit
Make Model Engine Years
Volkswagen Rabbit 2.5L5 2007–2009
Fits 4 vehicle applications Check vehicle fitment before ordering View fitment

About this Coolant Hose

The REIN AUTOMOTIVE CHR0399 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.