HomeRein CHR0009P Radiator Coolant Hose - Lower or Lower - Radiator To Thermostat
Part #: CHR0009P

Rein CHR0009P Radiator Coolant Hose - Lower or Lower - Radiator To Thermostat

Lower - Radiator To Thermostat
18 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: BMW, 750i, 750Li, 545i, 645Ci, 745i, and 745Li
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Overview of Rein Radiator Coolant Hose CHR0009P

The Rein radiator coolant hose CHR0009P is designed specifically for select BMW models, including the 545i, 645Ci, 745i, 745Li, 750i, and 750Li. Engineered to meet SAE J20 R4 D1 industry standards, this hose offers reliable performance and durability for your vehicle's cooling system.

  • Application-specific design for precise fitment on BMW 5 and 7 Series models
  • Reduces installation time with no cutting, refitting, or adjusting required
  • Prevents leaks by eliminating reuse of old quick connectors
  • Constructed from heat, salt, oil, and road debris resistant EPDM material
  • Centerline length of 18.31 inches (46.5 cm) with consistent inside diameter of 1.81 inches (4.6 cm)

Technical Details and Material Specifications

This single radiator coolant hose is made from EPDM, a synthetic rubber known for its resistance to heat, oil, and environmental contaminants. The hose measures 18.31 inches in centerline length, with hose end inside diameters of 1.81 inches, ensuring a secure and leak-free connection. The outside diameters vary slightly between hose ends to accommodate specific fittings, measuring 2.05 inches and 2.01 inches respectively. Manufactured in the Czech Republic, the hose complies with SAE J20 R4 D1 standards, ensuring it meets rigorous automotive quality requirements.

Compatible BMW Models and Applications

This Rein radiator coolant hose CHR0009P is compatible with the following BMW models:

  • BMW 545i
  • BMW 645Ci
  • BMW 745i and 745Li
  • BMW 750i and 750Li

It is designed for application-specific use, providing a direct replacement for the original equipment hose in these vehicles.

Common Cooling System Issues Addressed

  • Prevents coolant leaks caused by worn or damaged hoses
  • Eliminates the need for hose modification during installation
  • Reduces risk of hose failure due to exposure to heat and contaminants
  • Prevents recurring issues from reusing old quick connectors
  • Maintains proper coolant flow and engine temperature regulation

Installation Notes and Tips

The Rein CHR0009P radiator coolant hose is designed for straightforward installation without the need for cutting or adjustment. Ensure all old quick connectors are replaced to prevent leaks. Verify hose orientation and fitment before securing clamps. Use appropriate tools to avoid damage to the hose or fittings during installation.

Quality Assurance and Warranty

Manufactured to meet SAE J20 R4 D1 standards, this Rein radiator coolant hose undergoes quality control to ensure durability and performance. While specific warranty details are not provided, Rein products typically adhere to industry quality benchmarks, offering reliable service life when installed correctly.

BrandRein
Part NumberCHR0009P
Application TypeApplicationSpecific
Centerline Length Inches18.3100
Centerline Length Metric46.5074000
ColorBlack
Container TypeBG
Country of OriginCZ
Heat Shield IncNo
Hose End 1 Inside Diameter Inches1.8100
Hose End 1 Inside Diameter Metric4.5974000
Hose End 1 Outside Diameter Inches2.0500
Hose End 1 Outside Diameter Metric5.2070000
Hose End 2 Inside Diameter Inches1.8100
Hose End 2 Inside Diameter Metric4.5974000
Hose End 2 Outside Diameter Inches2.0100
Hose End 2 Outside Diameter Metric5.1054000
Hose MaterialEPDM
Hose TypeSingle
Industry StandardsSAE J20 R4 D1
Item Height2.7500
Item Length6.7500
Item Level GTIN843266046470
Item Qty1
Item UOMEA
Item Weight0.7500
Item Weight Unit UOMLB
Item Width15.0000
Link to Manufacturer Pagewww.reinautomotive.com
Maximum Working Pressure50.0000
Product Desc Extended 240Rein OE Quality radiator hoses are designed to be direct replacements for OE hoses and assemblies. Rein hoses are identical, from the size and shape of their branches to the thermoplastic quick connect fittings, as called for by the OE.
Product Desc Invoice 40Rein Radiator Hose
Product Desc Long 80Rein OE Quality Radiator Hose
Product Desc Short 20Radiator Hose
Protective Shield IncNo
Qty of Quick Connect Fittings2
Tech NoteComplete OE Quality Direct Fit European Hose
Warranty Distance24000
Warranty Time24

This part fits 18 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2008BMW750i4.8LV8Lower - Radiator To ThermostatQuick Connectors included for easy installation of HVAC heater hose.
2008BMW750Li4.8LV8Lower - Radiator To ThermostatQuick Connectors included for easy installation of HVAC heater hose.
2007BMW750i4.8LV8Lower - Radiator To ThermostatQuick Connectors included for easy installation of HVAC heater hose.
2007BMW750Li4.8LV8Lower - Radiator To ThermostatQuick Connectors included for easy installation of HVAC heater hose.
2006BMW750i4.8LV8Lower - Radiator To ThermostatQuick Connectors included for easy installation of HVAC heater hose.
2006BMW750Li4.8LV8Lower - Radiator To ThermostatQuick Connectors included for easy installation of HVAC heater hose.
2005BMW545i4.4LV8LowerQuick Connectors included for easy installation of HVAC heater hose.
2005BMW645Ci4.4LV8LowerQuick Connectors included for easy installation of HVAC heater hose.
2005BMW745i4.4LV8Lower - Radiator To ThermostatQuick Connectors included for easy installation of HVAC heater hose.
2005BMW745Li4.4LV8Lower - Radiator To ThermostatQuick Connectors included for easy installation of HVAC heater hose.
2004BMW545i4.4LV8LowerQuick Connectors included for easy installation of HVAC heater hose.
2004BMW645Ci4.4LV8LowerQuick Connectors included for easy installation of HVAC heater hose.
2004BMW745i4.4LV8Lower - Radiator To ThermostatQuick Connectors included for easy installation of HVAC heater hose.
2004BMW745Li4.4LV8Lower - Radiator To ThermostatQuick Connectors included for easy installation of HVAC heater hose.
2003BMW745i4.4LV8Lower - Radiator To ThermostatQuick Connectors included for easy installation of HVAC heater hose.
2003BMW745Li4.4LV8Lower - Radiator To ThermostatQuick Connectors included for easy installation of HVAC heater hose.
2002BMW745i4.4LV8Lower - Radiator To ThermostatQuick Connectors included for easy installation of HVAC heater hose.
2002BMW745Li4.4LV8Lower - Radiator To ThermostatQuick Connectors included for easy installation of HVAC heater hose.

* 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:

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