Rein CHH0153R HVAC Heater Hose - (Return) Heat Exchanger To Auxiliary Water Pump

Overview of Rein HVAC Heater Hose CHH0153R

The Rein HVAC Heater Hose CHH0153R is designed specifically for BMW 740i and 740iL models, providing a reliable and precise fit. Engineered to reduce installation time, this hose eliminates the need for cutting or adjusting, ensuring a straightforward replacement process.

• Application specific design for BMW 740i and 740iL
• Reduces installation time with no cutting or refitting required
• Prevents leaks by avoiding reuse of old quick connectors
• Resistant to heat, salt, road debris, oil, and other contaminants
• Constructed from durable EPDM hose material
• Centerline length of 7.5 inches (19.05 cm)
• Complies with SAE J20R4-D2 industry standards

Detailed Product Description

The Rein CHH0153R HVAC Heater Hose is a single hose designed with precision to meet the specifications of BMW 740i and 740iL vehicles. Made from EPDM material, it offers excellent resistance to heat, oil, salt, and road debris, which are common challenges in automotive environments. The hose features a centerline length of 7.5 inches and specific inside and outside diameters on each end (0.93 inches ID and 1.3 inches OD on one end, 0.75 inches ID and 1.02 inches OD on the other), ensuring a secure and leak-free connection. This hose meets SAE J20R4-D2 standards, confirming its suitability for HVAC applications in these BMW models.

Common Applications and Issues Addressed

• Replacement of worn or cracked heater hoses in BMW 740i and 740iL HVAC systems
• Eliminates leaks caused by deteriorated or improperly fitted hoses
• Prevents HVAC system failures due to contamination or hose degradation
• Addresses issues related to overheating or coolant loss in the heater core circuit
• Improves system reliability by avoiding reuse of old quick connectors

Installation Notes and Tips

• Designed for direct replacement with no cutting, refitting, or adjusting required
• Ensure all old quick connectors are replaced to prevent leaks
• Verify hose orientation and fitment before final installation
• Check for proper seating on hose ends with specified diameters for a secure connection
• Inspect surrounding components for wear or damage during installation

Quality Assurance and Warranty

Manufactured by Rein, the CHH0153R heater hose adheres to strict industry standards including SAE J20R4-D2, ensuring durability and performance under demanding conditions. The EPDM construction provides resistance to heat, oil, and environmental contaminants. While specific warranty details are not provided, Rein products typically meet OEM quality requirements for HVAC hoses in BMW vehicles.