Gates 18820 HVAC Heater Hose - Heater To Pipe-1

Reliable HVAC Heater Hose for Buick, Oldsmobile, and Pontiac

The Gates Molded Heater Hose 18820 is engineered to provide dependable heating system performance for select Buick, Oldsmobile, and Pontiac vehicles. Designed with precision and durable EPDM material, this molded heater hose ensures a secure fit and long-lasting operation in your HVAC system.

• Constructed from high-quality EPDM material for heat and chemical resistance
• Molded design for exact fit and easy installation
• End 1 and End 2 inside diameter: 0.62 inches (16 mm)
• Centerline length of 16.3 inches (414 mm) for proper routing
• Compatible with Buick Calais, Oldsmobile Cutlass Calais, Pontiac Grand Am, and Skylark models

About the Gates Molded Heater Hose Product Line

The Molded Heater Hose line by Gates focuses on delivering precise, molded hoses that match original equipment specifications. This product line is designed to simplify installation and improve reliability by eliminating the need for multiple hose segments or clamps. The Molded Heater Hose 18820 is part of this line, offering a direct replacement solution for HVAC heater hoses in specific GM vehicles.

Product Details and Specifications

This HVAC heater hose is made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids, making it suitable for heater core connections. Both ends of the hose have an inside diameter of 0.62 inches (16 mm), ensuring compatibility with factory fittings. The molded construction provides a centerline length of 16.3 inches (414 mm), designed to match the original hose routing and minimize leaks or kinks. The hose does not include any quick connect fittings or branches, maintaining a straightforward design for reliable performance.

Common Applications and Issues Addressed

• Replacement of cracked or leaking heater hoses in Buick Calais and Oldsmobile Cutlass Calais
• Resolving heater core circulation problems in Pontiac Grand Am and Skylark models
• Preventing coolant leaks that cause engine overheating or HVAC system failure
• Restoring proper heater hose routing to avoid hose collapse or restriction
• Maintaining system pressure and fluid flow within the vehicle's heating system

Installation Notes and Tips

Ensure the engine is cool before removing the old heater hose to prevent burns. Verify hose diameter and length match the original part to maintain proper fitment. The molded design of the Gates 18820 heater hose allows for straightforward installation without modification. Inspect hose connections and clamps for wear and replace if necessary to ensure a secure seal.

Quality Assurance and Warranty

Gates Molded Heater Hose 18820 is manufactured to meet or exceed OEM standards for durability and performance. The EPDM material and molded construction contribute to long service life under typical operating conditions. While specific warranty details are not provided, Gates products are generally backed by quality assurance protocols to ensure reliability in automotive HVAC applications.