HomeBelts and Cooling > Hoses and PipesRein CHR0391 Radiator Coolant Hose - Lower or Lower - Main Radiator
Part #: CHR0391

Rein CHR0391 Radiator Coolant Hose - Lower or Lower - Main Radiator

Lower - Main Radiator and Lower
⚙️ 25 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Audi and Volkswagen, A3, Eos, Golf R, GTI, Jetta, TT, TT Quattro, and TTS Quattro
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Reliable Radiator Coolant Hose for Audi and Volkswagen Models

The Rein CHR0391 radiator coolant hose is designed specifically for select Audi and Volkswagen vehicles, including the A3, Golf R, GTI, Jetta, Eos, TT, TT Quattro, and TTS Quattro. Engineered to reduce installation time and prevent leaks, this hose offers a precise fit without the need for cutting or adjustments.

Key Features of Rein CHR0391 Radiator Coolant Hose

  • Application-specific design for direct fit on compatible Audi and Volkswagen models
  • Reduces installation time with no cutting, refitting, or adjusting required
  • Prevents leaks and eliminates issues from reusing old quick connectors
  • Constructed from durable EPDM material resistant to heat, salt, road debris, oil, and contaminants
  • Centerline length of 32 inches (81.28 cm) for accurate fitment
  • Black single hose with precise inside and outside diameters for both hose ends

Detailed Product Description

The Rein CHR0391 radiator coolant hose is manufactured from high-quality EPDM, a material known for its excellent resistance to heat, oil, salt, and road debris. This hose is designed as a single-piece unit with a centerline length of 32 inches, ensuring a perfect fit for the cooling systems of Audi A3, Golf R, GTI, Jetta, Eos, TT, TT Quattro, and TTS Quattro models. Its application-specific construction eliminates the need for cutting or modifying during installation, reducing labor time and minimizing the risk of leaks caused by improper fitting or reused connectors.

Common Issues Addressed by Rein CHR0391 Radiator Coolant Hose

  • Leaks caused by worn or damaged radiator hoses
  • Coolant loss due to improper hose fit or old quick connectors
  • Overheating issues related to compromised coolant flow
  • Corrosion and damage from exposure to road salt and contaminants
  • Frequent hose replacements due to poor material durability

Installation Notes and Tips

Installation of the Rein CHR0391 radiator coolant hose requires no cutting, refitting, or adjusting, making it suitable for professional and experienced DIY mechanics. Ensure that the old hose and connectors are fully removed to prevent leaks. Verify the hose orientation and diameter compatibility with your vehicle’s cooling system before installation. Use appropriate clamps to secure the hose ends firmly in place.

Quality Assurance and Warranty

Manufactured by Rein, a trusted brand in automotive cooling components, the CHR0391 radiator coolant hose meets industry standards for durability and performance. Made in Turkey, this hose undergoes quality control to ensure resistance to heat, oil, and environmental contaminants. While specific warranty details are not provided, Rein products typically adhere to strict quality assurance protocols to support reliable vehicle operation.

BrandRein
Part NumberCHR0391
Application TypeApplicationspecific
Bullet Point 1Reduces installation time.
Bullet Point 2No cutting, refitting or adjusting the hose.
Bullet Point 3Prevents leaks and comebacks from reusing old quick connectors an
Bullet Point 4Resistant to heat, salt, road debris, oil and other contaminants.
Centerline Length Inches32.0000
Centerline Length Metric81.2800000
ColorBlack
Container TypeBg
Country of OriginTr
Heat Shield IncNo
Hose End 1 Inside Diameter Inches1.7100
Hose End 1 Inside Diameter Metric4.3434000
Hose End 1 Outside Diameter Inches1.8500
Hose End 1 Outside Diameter Metric4.6990000
Hose End 2 Inside Diameter Inches1.7000
Hose End 2 Inside Diameter Metric4.3180000
Hose End 2 Outside Diameter Inches1.8700
Hose End 2 Outside Diameter Metric4.7498000
Hose MaterialEpdm
Hose TypeSingle
Item Height5.0000
Item Length32.0000
Item Level GTIN888544080609
Item Qty1
Item Quantity Size1
Item Quantity Size UOMEa
Item UOMEa
Item Weight0.8850
Item Weight Unit UOMLb

This part fits 25 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2015AudiTTS Quattro2.0LL4Lowerw/o Aux. Rad.
2014AudiTTS Quattro2.0LL4Lowerw/o Aux. Rad.
2013AudiTT Quattro2.0LL4Lowerw/o Aux. Rad.
2013AudiTTS Quattro2.0LL4Lowerw/o Aux. Rad.
2013VolkswagenGolf R2.0LL4Lowerw/o Eng. Protection Grille
2012AudiTT Quattro2.0LL4Lowerw/o Aux. Rad.
2012AudiTTS Quattro2.0LL4Lowerw/o Aux. Rad.
2012VolkswagenGolf R2.0LL4Lowerw/o Eng. Protection Grille
2011AudiTTS Quattro2.0LL4Lowerw/o Aux. Rad.
2010AudiTTS Quattro2.0LL4Lowerw/o Aux. Rad.
2009AudiTT2.0LL4Lower
2009AudiTTS Quattro2.0LL4Lowerw/o Aux. Rad.
2009VolkswagenEos2.0LL4Lower
2008AudiA32.0LL4Lowerw/o Front Underbody Guard
2008AudiTT2.0LL4Lower
2008VolkswagenEos2.0LL4Lower
2008VolkswagenGTI2.0LL4Lower
2008VolkswagenJetta2.0LL4Lower - Main Radiator
2007AudiA32.0LL4Lowerw/o Front Underbody Guard
2007VolkswagenEos2.0LL4Lower
2007VolkswagenGTI2.0LL4Lower
2007VolkswagenJetta2.0LL4Lower - Main Radiator
2006AudiA32.0LL4Lowerw/o Front Underbody Guard
2006VolkswagenGTI2.0LL4Lower
2006VolkswagenJetta2.0LL4Lower - Main Radiator

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

1K0122051CM1K0122051GL

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.