Rein CHR0852 Radiator Coolant Hose - Upper - Radiator To Engine
OE Quality 60-Day Returns
Rein

Rein CHR0852 Radiator Coolant Hose - Upper - Radiator To Engine

Brand Rein CHR0852
Position Upper - Radiator To Engine
Color Black
End 1 Inside Diameter 36.58
End 2 Inside Diameter 31.75
Grade Type Standard replacement
Fits BMW · 3 vehicles

OE direct replacement. Matches the original hose and assembly design for straightforward installation.

Thermoplastic quick connects. Built with the same branch shape and fittings as the original.

Standard replacement. A radiator coolant hose made for dependable cooling-system service.

Cross-references 17127535529 for the same application. See all 1.

$88.11Free shipping
In stock · usually ships same day before 1pm CST
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Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Radiator Coolant Hose options

OE-Style Upper Radiator Hose for BMW

The Rein CHR0852 radiator coolant hose is a standard replacement for the upper radiator-to-engine connection on select BMW applications. It is built for 2018-2019 BMW X3 and 2019 BMW X4 fitments, with OE-style dimensions and routing that match the original hose layout.

  • Direct replacement radiator coolant hose for the upper radiator-to-engine position
  • Fits 2018-2019 BMW X3 and 2019 BMW X4
  • Black hose construction with OE-style branch size and shape
  • Thermoplastic quick-connect fittings designed to match original hose assemblies
  • End inside diameters: 36.58 mm and 31.75 mm
  • Rein CHR0852 part number for catalog and service reference

Fitment and Application Details

Rein Automotive designs this hose as an OE-quality replacement for European vehicles, matching the original manufacturer’s hose geometry and connection style. For BMW X3 and BMW X4 cooling system service, CHR0852 provides the upper radiator-to-engine routing needed to restore proper coolant flow through the radiator hose circuit. This part cross-references BMW 17127535529 for the same application.

Common Issues This Hose Can Address

  • Cracked or split upper radiator hose
  • Coolant seepage at hose connections
  • Softening or swelling from heat and age
  • Loss of coolant flow through the radiator-to-engine circuit
  • Fitment problems caused by a mismatched replacement hose

Installation Notes

Verify the hose routing, end diameters, and quick-connect style against the original part before installation. Inspect adjoining coolant pipes, clamps, and sealing surfaces for wear or residue, and refill and bleed the cooling system according to BMW service procedures after replacement. Confirm the upper radiator-to-engine position on the vehicle before ordering.

Quality Assurance

Rein Automotive focuses on OE-quality replacement hoses for European vehicles, with dimensions and connector design patterned after the original assembly. CHR0852 is a standard replacement part for BMW cooling system repair and service.

Related reading

This part fits 3 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2019BMWX32.0LL4Upper - Radiator To Engine—
2019BMWX42.0LL4Upper - Radiator To Engine—
2018BMWX32.0LL4Upper - Radiator To Engine—
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
17127535529