Rein CHH0351 HVAC Heater Hose - Heater Inlet To Flange

Overview of Rein HVAC Heater Hose CHH0351

The Rein HVAC Heater Hose CHH0351 is designed specifically for select Audi and Volkswagen models, including the Audi A4, A4 Quattro, and Volkswagen Passat. Engineered to reduce installation time and prevent common HVAC system issues, this hose offers a reliable replacement option for your vehicle's heating system.

• Reduces installation time with a precise fit
• No cutting, refitting, or adjusting required
• Prevents leaks by eliminating reuse of old quick connectors
• Resistant to heat, salt, road debris, oil, and contaminants
• Durable EPDM hose material compliant with SAE J20 R4 D1 standards

Product Details and Specifications

The Rein CHH0351 HVAC Heater Hose features a single hose design made from EPDM material, known for its heat and chemical resistance. The hose measures approximately 25.56 inches (64.92 cm) in centerline length, with hose end diameters of 1.13 inches (2.87 cm) and 0.75 inches (1.91 cm) inside diameter respectively. Its black color and robust construction ensure durability against environmental factors such as road salt, oil, and debris. This hose is application-specific, designed to fit the HVAC systems of Audi A4, A4 Quattro, and Volkswagen Passat models, ensuring a precise and secure connection without the need for modifications.

Compatible Vehicles and Applications

This HVAC heater hose is compatible with the following vehicles:

• Audi A4
• Audi A4 Quattro
• Volkswagen Passat

It is intended for use in the heating, ventilation, and air conditioning (HVAC) system to facilitate proper coolant flow and maintain cabin heating efficiency.

Common HVAC Issues Addressed

• Leaks caused by worn or damaged heater hoses
• Installation delays due to improper hose fitment
• Failures from reusing old quick connectors leading to leaks
• Degradation from exposure to heat, oil, and road contaminants
• Reduced heating performance due to hose deterioration

Installation Notes and Tips

The Rein CHH0351 heater hose is designed for direct replacement without the need for cutting or adjusting. Ensure the old hose and connectors are fully removed to prevent leaks. Verify hose end diameters match your vehicle’s specifications before installation. Use appropriate clamps and check for secure connections to maintain system integrity.

Quality Assurance and Warranty

Manufactured to meet SAE J20 R4 D1 industry standards, the Rein CHH0351 heater hose offers reliable performance under demanding conditions. While specific warranty details are not provided, Rein products typically adhere to strict quality control measures to ensure durability and fitment accuracy for Audi and Volkswagen HVAC systems.