Rein CHE0138R Engine Coolant Hose - Expansion Tank (Lower) To Water Pump

Overview of Rein Engine Coolant Hose CHE0138R

The Rein CHE0138R engine coolant hose is designed specifically for select BMW models, including the 545i, 550i, 645Ci, and 650i. Engineered to reduce installation time and prevent leaks, this hose offers a reliable replacement solution for your vehicle's cooling system.

• Application specific design for precise fitment
• Reduces installation time with no cutting or refitting required
• Prevents leaks by eliminating reuse of old quick connectors
• Resistant to heat, salt, road debris, oil, and other contaminants
• Constructed from durable EPDM hose material

Technical Specifications and Features

The Rein CHE0138R engine coolant hose measures 21.26 inches (54.00 cm) in centerline length, with hose end diameters tailored for a secure fit: one end has an inside diameter of 0.88 inches (2.24 cm) and an outside diameter of 1.14 inches (2.90 cm), while the other end measures 1.13 inches (2.87 cm) inside diameter and 1.42 inches (3.61 cm) outside diameter. Manufactured to meet SAE J20R4-D1 industry standards, this single hose is made from EPDM material, known for its resistance to heat and chemical exposure. The hose is black in color and packaged in a bag for protection during shipping and storage.

Compatible BMW Models and Applications

This engine coolant hose is compatible with BMW 545i, 550i, 645Ci, and 650i models. It is designed as an application-specific replacement part, ensuring a precise fit without the need for modifications. Using the Rein CHE0138R hose helps maintain the integrity of your vehicle's cooling system by preventing leaks and reducing the risk of failure associated with worn or damaged hoses.

Common Issues Addressed by Rein CHE0138R Hose

• Leaks caused by deteriorated or cracked coolant hoses
• Extended installation times due to improper hose fitment
• Failures from reusing old quick connectors leading to coolant loss
• Damage from exposure to heat, road salt, and oil contaminants
• Reduced cooling system efficiency due to hose degradation

Installation Notes and Tips

The Rein CHE0138R hose is designed for straightforward installation with no cutting, refitting, or adjusting required. Ensure that the old hose and connectors are fully removed to prevent leaks. Inspect the connecting points for any damage before installing the new hose. Using the correct part number CHE0138R will guarantee compatibility with your BMW 545i, 550i, 645Ci, or 650i model.

Quality Assurance and Warranty

Rein manufactures this engine coolant hose to meet SAE J20R4-D1 standards, ensuring durability and performance under demanding conditions. The EPDM material provides 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 reliable operation.