Dorman 47994 HVAC Heater Hose Fitting - Inlet

Overview of Dorman 47994 HVAC Heater Hose Fitting

The Dorman 47994 HVAC heater hose fitting is a durable nylon three-way elbow designed specifically for select GM vehicles. Engineered to provide a secure connection in the heating and cooling system, this black hose barb fitting ensures reliable performance in Buick Montana, Chevrolet Uplander, and Pontiac Relay models.

• Constructed from durable nylon material for long-lasting use
• Black color for easy identification and corrosion resistance
• Three-way elbow design with 90-degree fitting angle
• Hose barb ends with 0.724 to 0.75 inch outside diameter for secure hose attachment
• Specific fitment for Buick, Chevrolet, Oldsmobile, Pontiac, and Saturn vehicles
• Part number 47994 for precise replacement and compatibility

Detailed Product Description

The Dorman 47994 heater hose fitting is a specialized HVAC component designed to connect multiple heater hoses within the vehicle’s heating system. Made from high-quality nylon, this fitting resists heat and chemical exposure commonly found in automotive HVAC systems. Its irregular shape and three-way elbow configuration with a 90-degree angle allow for efficient routing of heater hoses in confined engine compartments. Both ends feature hose barb connections with an outside diameter ranging from 0.724 to 0.75 inches, ensuring a tight and leak-resistant fit. This fitting is a specific replacement part compatible with Buick Montana, Chevrolet Silhouette, Oldsmobile Terraza, Pontiac Relay, and Saturn Relay models, making it a reliable choice for HVAC repairs.

Common Applications and Issues Addressed

• Replacement of cracked or leaking heater hose fittings in HVAC systems
• Resolving coolant leaks caused by damaged or worn hose connections
• Restoring proper coolant flow in Buick Montana and Chevrolet Uplander heating systems
• Repairing HVAC heater hose junctions in Pontiac Relay and Oldsmobile Terraza vehicles
• Eliminating overheating issues related to faulty heater hose fittings

Installation Notes and Tips

• Ensure the vehicle is cool and the cooling system is depressurized before installation
• Use appropriate hose clamps to secure the hose barb connections firmly
• Inspect surrounding hoses and components for wear or damage during replacement
• Verify the correct orientation of the three-way elbow fitting to maintain proper coolant flow
• Consult vehicle-specific service manuals for detailed HVAC system procedures

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications, providing dependable performance and fitment. The 47994 HVAC heater hose fitting undergoes rigorous quality control to ensure durability and resistance to heat and chemical exposure. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Refer to Dorman’s official warranty policy for complete information.