Rein CHR0021 Radiator Coolant Hose - Lower
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Rein

Rein CHR0021 Radiator Coolant Hose - Lower

Brand Rein CHR0021
Position Lower
Color Black
Grade Type Standard replacement
Fits BMW · 6 vehicles

OE direct replacement. Fits like the original hose and hose assembly.

Thermoplastic quick connects. Built with OEM-style fittings for a precise connection.

Standard replacement. A straightforward radiator coolant hose for routine service.

Cross-references Genuine 11537508688 for the same application. See all 1.

$41.83Free shipping
In stock · usually ships same day before 1pm CST
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Order total $41.83
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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 Lower Radiator Hose for BMW X5

Rein CHR0021 is a standard replacement lower radiator coolant hose for select BMW X5 models with quick connectors. It is built to match the original hose shape, branch sizing, and connector style used on the vehicle for a direct OE-style replacement.

Compatible with 2001-2006 BMW X5, lower. This Rein radiator coolant hose supports a clean factory-style fit for European cooling system service.

Key Features

  • Black radiator coolant hose with a standard replacement design
  • Direct replacement for the lower cooling circuit on select BMW X5 applications
  • Thermoplastic quick connect fittings for OE-style connection points
  • Built to match OEM hose dimensions and branch layout
  • Rein CHR0021 for targeted fitment verification

Detailed Description

Rein Automotive designs this radiator coolant hose to follow the original equipment layout used on the BMW X5. The hose is shaped to match the factory routing and uses quick connectors that align with the OE connection style, helping maintain proper cooling system assembly on 2001-2006 BMW X5 models. Rein CHR0021 is a practical choice when replacing a worn, cracked, or leaking lower radiator hose.

This part cross-references Genuine 11537508688 for the same application.

Common Cooling System Issues

  • Coolant leaks at the lower radiator hose connection
  • Cracking, swelling, or hardening of the hose material
  • Damaged quick connector ends
  • Loss of cooling system pressure from hose failure
  • Improper hose fit after prior repair work

Installation Notes and Tips

Verify the lower hose routing and connector style before installation on your BMW X5. Inspect mating fittings, clamps, and adjacent cooling components for wear or residue before assembly. Confirm the vehicle application by year, model, and lower position to match Rein CHR0021.

Quality Assurance

Rein Automotive focuses on OE-quality replacement parts for European vehicles, with hose construction and connector design patterned after the original manufacturer’s specifications.

Related reading

This part fits 6 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2006BMWX53.0LL6Lowerw/Quick Connectors
2005BMWX53.0LL6Lowerw/Quick Connectors
2004BMWX53.0LL6Lowerw/Quick Connectors
2003BMWX53.0LL6Lowerw/Quick Connectors
2002BMWX53.0LL6Lowerw/Quick Connectors
2001BMWX53.0LL6Lowerw/Quick Connectors
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Genuine — 11537508688