HomeBelts and Cooling > Hoses and PipesRein CHE0523 Engine Coolant Hose - Expansion Tank (Upper) To Cylinder Heads
Part #: CHE0523

Rein CHE0523 Engine Coolant Hose - Expansion Tank (Upper) To Cylinder Heads

Expansion Tank (Upper) To Cylinder Heads
14 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: BMW, 550i, 650i, 545i, and 645Ci
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Reliable Engine Coolant Hose for BMW 545i, 550i, 645Ci, 650i

The Rein CHE0523 engine coolant hose is designed specifically for BMW models 545i, 550i, 645Ci, and 650i. Engineered to meet OE quality standards, this hose ensures a precise fit and dependable performance in your vehicle's cooling system.

Key Features of Rein CHE0523 Engine Coolant Hose

  • Application-specific design for direct replacement in BMW 545i, 550i, 645Ci, and 650i
  • 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
  • Complies with SAE J20 R4 D1 industry standards for coolant hoses
  • Single hose type in black color with one quick connect fitting included

Detailed Description of Rein CHE0523 Water Hose

This Rein engine coolant hose (part number CHE0523) is manufactured using high-quality EPDM rubber, known for its excellent resistance to heat and chemical exposure. The hose is designed as a single branch with one quick connect fitting, ensuring a secure and leak-free connection. Its black color and precise dimensions (24 inches height, 8 inches width, 4 inches length) make it a direct replacement for the original equipment in compatible BMW models. The hose is packaged individually and originates from Turkey, meeting stringent SAE J20 R4 D1 standards for durability and performance.

Common Applications and Issues Addressed

  • Replacement of worn or cracked engine coolant hoses in BMW 545i, 550i, 645Ci, and 650i
  • Eliminating coolant leaks caused by degraded or damaged hoses
  • Preventing overheating issues due to compromised coolant flow
  • Resolving problems related to old or faulty quick connectors
  • Maintaining optimal engine temperature regulation under harsh conditions

Installation Notes and Tips

The Rein CHE0523 hose is designed for straightforward installation without the need for cutting or modification. Ensure the old hose and connectors are fully removed before fitting the new hose to prevent leaks. Use appropriate clamps and verify the quick connect fitting is securely attached. This hose does not include a heat shield, so verify compatibility with your vehicle’s cooling system layout.

Quality Assurance and Warranty Information

Rein engine coolant hoses are manufactured to meet OE quality standards, providing reliable performance and durability. The CHE0523 hose complies with SAE J20 R4 D1 industry standards, ensuring resistance to heat, oil, and environmental contaminants. While specific warranty details are not provided, Rein products typically adhere to strict quality control processes to minimize defects and ensure customer satisfaction.

BrandRein
Part NumberCHE0523
Application TypeApplicationSpecific
ColorBlack
Container TypeBG
Country of OriginTR
Heat Shield IncNo
Hose MaterialEPDM
Hose TypeSingle
Industry StandardsSAEJ20R4D1
Item Height24.0000
Item Length4.0000
Item Level GTIN843266079751
Item Qty1
Item UOMEA
Item Weight0.3500
Item Weight Unit UOMLB
Item Width8.0000
Link to Manufacturer Pagewww.reinautomotive.com
Product Desc Extended 240Rein OE Quality water 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 Water Hose
Product Desc Long 80Rein OE Quality Water Hose
Product Desc Short 20Water Hose
Protective Shield IncNo
Qty of Branches1
Qty of Quick Connect Fittings1

This part fits 14 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2010BMW550i4.8LV8Expansion Tank (Upper) To Cylinder HeadsQuick Connectors included for easy installation of HVAC heater hose.
2010BMW650i4.8LV8Expansion Tank (Upper) To Cylinder HeadsQuick Connectors included for easy installation of HVAC heater hose.
2009BMW550i4.8LV8Expansion Tank (Upper) To Cylinder HeadsQuick Connectors included for easy installation of HVAC heater hose.
2009BMW650i4.8LV8Expansion Tank (Upper) To Cylinder HeadsQuick Connectors included for easy installation of HVAC heater hose.
2008BMW550i4.8LV8Expansion Tank (Upper) To Cylinder HeadsQuick Connectors included for easy installation of HVAC heater hose.
2008BMW650i4.8LV8Expansion Tank (Upper) To Cylinder HeadsQuick Connectors included for easy installation of HVAC heater hose.
2007BMW550i4.8LV8Expansion Tank (Upper) To Cylinder HeadsQuick Connectors included for easy installation of HVAC heater hose.
2007BMW650i4.8LV8Expansion Tank (Upper) To Cylinder HeadsQuick Connectors included for easy installation of HVAC heater hose.
2006BMW550i4.8LV8Expansion Tank (Upper) To Cylinder HeadsQuick Connectors included for easy installation of HVAC heater hose.
2006BMW650i4.8LV8Expansion Tank (Upper) To Cylinder HeadsQuick Connectors included for easy installation of HVAC heater hose.
2005BMW545i4.4LV8Expansion Tank (Upper) To Cylinder HeadsQuick Connectors included for easy installation of HVAC heater hose.
2005BMW645Ci4.4LV8Expansion Tank (Upper) To Cylinder HeadsQuick Connectors included for easy installation of HVAC heater hose.
2004BMW545i4.4LV8Expansion Tank (Upper) To Cylinder HeadsFrom 7/04, w/Quick Connectors
2004BMW645Ci4.4LV8Expansion Tank (Upper) To Cylinder HeadsFrom 7/04, w/Quick Connectors

* 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.