Gates 12117 HVAC Heater Hose - Radiator To Reservoir

Overview of Gates Molded Heater Hose 12117

The Gates Molded Heater Hose 12117 is designed for reliable HVAC performance in select GM vehicles. Engineered with durable EPDM material, this molded heater hose ensures consistent heat transfer and long-lasting service for your Cadillac, Chevrolet, and GMC models.

• Constructed from high-quality EPDM for heat and chemical resistance
• Molded design for precise fit and secure connections
• Centerline length of 19.21 inches (488 mm) for accurate replacement
• Inside diameter of 0.31 inches (8 mm) on both ends
• Compatible with multiple GM vehicles including Escalade, Sierra, Silverado, Yukon, and more

Product Line Details: Molded Heater Hose

The Molded Heater Hose line by Gates focuses on delivering hoses that are pre-formed to match specific vehicle routing requirements. This reduces installation time and ensures a proper fit without the need for modifications. The molded construction also helps maintain hose integrity under thermal cycling and pressure variations common in HVAC systems.

Detailed Product Description

This HVAC heater hose is made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and coolant chemicals. The molded design of part number 12117 provides a precise fit with a centerline length of 19.21 inches (488 mm) and an inside diameter of 0.31 inches (8 mm) on both ends. It is engineered to meet the specifications required for Cadillac Escalade, Chevrolet Silverado 1500 and 2500, GMC Sierra, Yukon, and other compatible models. The hose does not include quick connect fittings or branches, focusing on a straightforward replacement application.

Common Applications and Issues Addressed

• Replacement of worn or cracked heater hoses in HVAC systems
• Resolving coolant leaks that affect cabin heating performance
• Maintaining proper coolant flow to the heater core
• Preventing hose collapse or deformation under heat and pressure
• Ensuring reliable operation in Cadillac Escalade and Chevrolet Silverado HVAC systems

Installation Notes and Tips

When installing the Gates Molded Heater Hose 12117, verify the hose routing matches the original to avoid kinks or interference. Ensure all clamps are securely tightened to prevent leaks. The molded shape eliminates the need for bending or cutting, simplifying installation on compatible Cadillac, Chevrolet, and GMC models. Inspect surrounding components for wear during replacement to maintain overall HVAC system integrity.

Quality Assurance and Warranty

Gates manufactures the Molded Heater Hose 12117 to meet or exceed OEM standards for durability and performance. The EPDM material and molded construction provide resistance to heat, ozone, and coolant chemicals, contributing to long service life. While specific warranty details are not provided, Gates products typically come with a limited warranty against defects in materials and workmanship.