HomeBelts and Cooling > Hoses and PipesRein CHR0859 Radiator Coolant Hose - Lower
Part #: CHR0859

Rein CHR0859 Radiator Coolant Hose - Lower

Lower
⚙️ 8 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Audi and Volkswagen, A4, A4 Quattro, and Passat
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Reliable Radiator Coolant Hose for Audi and Volkswagen Vehicles

The Rein CHR0859 radiator coolant hose is designed as a standard replacement part for select Audi and Volkswagen models. Engineered to maintain optimal coolant flow, this black hose features precise inside diameters to ensure a secure fit and reliable performance in your vehicle's cooling system.

  • Standard replacement radiator coolant hose by Rein
  • Black color for easy identification and durability
  • End 1 inside diameter: 34.49 mm
  • End 2 inside diameter: 18.82 mm
  • Compatible with Audi A4, Audi A4 Quattro, and Volkswagen Passat models

Product Details and Specifications

The Rein CHR0859 radiator coolant hose is manufactured to meet OEM specifications for a precise fit and consistent performance. The hose's two different inside diameters—34.49 mm on one end and 18.82 mm on the other—allow it to connect seamlessly between components in the cooling system. Its black color indicates a durable rubber construction suitable for standard replacement needs. This hose is designed to maintain coolant circulation, helping to regulate engine temperature and prevent overheating in Audi A4, A4 Quattro, and Volkswagen Passat vehicles.

Compatible Vehicles and Applications

  • Compatible with Audi A4 models requiring a radiator coolant hose with specified diameters
  • Fits Audi A4 Quattro models for effective coolant system maintenance
  • Suitable for Volkswagen Passat models needing a standard replacement radiator hose
  • Ideal for addressing coolant leaks or hose degradation in these vehicles

Installation Notes and Tips

When installing the Rein CHR0859 radiator coolant hose, ensure the engine is cool to avoid injury. Verify that the hose diameters match the vehicle’s radiator and engine fittings. Use appropriate clamps to secure the hose ends and check for any signs of wear or damage on adjacent components. Proper installation will help maintain coolant system integrity and prevent leaks.

Quality Assurance and Warranty

Rein manufactures the CHR0859 radiator coolant hose to meet industry standards for durability and fitment. This part is a standard replacement designed to provide reliable service life consistent with OEM expectations. While specific warranty details are not provided, Rein products typically adhere to quality control processes to ensure customer satisfaction and performance reliability.

BrandRein
Part NumberCHR0859
ColorBlack
End 1 Inside Diameter34.49
End 2 Inside Diameter18.82
Grade TypeStandard replacement

This part fits 8 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2005VolkswagenPassat1.8LL4Lower
2004VolkswagenPassat1.8LL4Lower
2003VolkswagenPassat1.8LL4Lower
2002VolkswagenPassat1.8LL4Lower
2001AudiA41.8LL4Lower
2001AudiA4 Quattro1.8LL4Lower
2001VolkswagenPassat1.8LL4Lower
2000VolkswagenPassat1.8LL4Lower

* 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:

4B0121055J

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