Gates 19223 HVAC Heater Hose - Heater To Water Pump

Overview of Gates Molded Heater Hose 19223

The Gates Molded Heater Hose 19223 is designed for reliable HVAC system performance in Chevrolet and GMC vehicles. Engineered with durable EPDM material, this molded heater hose ensures a precise fit and long-lasting service for models like the Chevrolet Blazer, Jimmy, S10, and GMC Sonoma.

• Constructed from high-quality EPDM material for heat and chemical resistance
• Molded design for exact fit and easy installation
• End 1 inside diameter: 0.63 inches (16 mm)
• End 2 inside diameter: 0.75 inches (19 mm)
• Centerline length: 29.5 inches (749 mm)
• Compatible with Chevrolet Blazer, Jimmy, S10 and GMC Sonoma HVAC systems

Detailed Product Description

The Gates Molded Heater Hose 19223 is part of the Molded Heater Hose product line, which focuses on precision-engineered hoses tailored to specific vehicle HVAC applications. This hose is molded to exact specifications, providing a secure and leak-resistant connection within the heating system. Made from EPDM, it offers excellent resistance to heat, ozone, and automotive fluids, ensuring durability under demanding operating conditions. The hose features two different inside diameters—0.63 inches (16 mm) on one end and 0.75 inches (19 mm) on the other—allowing it to connect seamlessly between components with varying sizes. With a centerline length of 29.5 inches (749 mm), it fits the HVAC systems of Chevrolet and GMC trucks and SUVs, including the Blazer, Jimmy, S10, and Sonoma models.

Common Applications and Issues Addressed

• Replacement of cracked or leaking heater hoses in Chevrolet Blazer and GMC Sonoma HVAC systems
• Resolving coolant leaks that cause insufficient cabin heating
• Addressing hose degradation due to heat and chemical exposure
• Restoring proper coolant flow in Chevrolet Jimmy and S10 heating circuits
• Preventing overheating issues related to faulty heater hoses

Installation Notes and Tips

Ensure the vehicle’s engine is cool before beginning installation to avoid burns from hot coolant. Verify the hose routing matches the original configuration to prevent kinks or interference with other components. Use appropriate clamps to secure the hose ends firmly, and inspect all connections for leaks after installation. The molded design of the Gates 19223 heater hose simplifies alignment and fitment, reducing installation time.

Quality Assurance and Warranty

Gates manufactures the Molded Heater Hose 19223 to meet or exceed OEM specifications for durability and performance. The EPDM material and molded construction provide resistance to heat, pressure, and automotive fluids. While specific warranty details are not provided here, Gates products typically come with a limited warranty against defects in material and workmanship. Consult product documentation or the manufacturer for exact warranty terms.