Gates 19343 HVAC Heater Hose - Engine To Heater

Overview of Gates Molded Heater Hose 19343

The Gates Molded Heater Hose 19343 is designed for reliable HVAC system performance in select Chevrolet, Pontiac, and Suzuki vehicles. Engineered with durable EPDM material, this molded heater hose ensures consistent heat transfer and long-lasting service in models like the Chevrolet Aveo, Pontiac Wave, and Suzuki Swift+.

• Constructed from high-quality EPDM for heat and chemical resistance
• Molded design for precise fit and secure installation
• End 1 inside diameter: 0.65 inches (17 mm)
• End 2 inside diameter: 0.77 inches (20 mm)
• Centerline length: 15.1 inches (384 mm)
• No quick connect fittings or branches, simplifying installation

Detailed Product Description

This HVAC heater hose from Gates, part number 19343, is part of the Molded Heater Hose product line, which focuses on delivering exact-fit hoses molded to match specific vehicle configurations. The molded construction reduces the risk of leaks and hose failure by maintaining proper shape and alignment within the HVAC system. Made from EPDM rubber, the hose resists heat, ozone, and coolant exposure, making it suitable for the heating circuits in Chevrolet Aveo, Pontiac Wave, and Suzuki Swift+ models. The hose features two different inside diameters—0.65 inches (17 mm) on one end and 0.77 inches (20 mm) on the other—allowing it to connect seamlessly between HVAC components. With a centerline length of 15.1 inches (384 mm), it fits precisely without the need for modifications.

Applications and Common Issues Addressed

• Replacement of cracked or leaking heater hoses in Chevrolet Aveo and Aveo5 models
• Resolving coolant leaks causing insufficient cabin heating in Pontiac Wave and Wave5 vehicles
• Restoring proper coolant flow in Suzuki Swift+ and G3 HVAC systems
• Eliminating hose collapse or blockage that reduces heater core efficiency
• Preventing overheating issues related to faulty heater hose connections

Installation Notes and Tips

• Ensure the vehicle is cool and the cooling system is depressurized before removal
• Verify the hose orientation matches the molded shape for proper fit
• Inspect and replace any worn clamps or fittings during installation
• Check for leaks after installation by running the engine and monitoring the HVAC system
• Use compatible coolant to maintain hose material integrity

Quality Assurance and Warranty

Gates Molded Heater Hose 19343 is manufactured to meet OEM specifications for fit, form, and function. The EPDM material and molded design contribute to durability and resistance against heat and chemical degradation. While specific warranty details are not provided here, Gates products typically come with a limited warranty covering defects in material and workmanship. For exact warranty terms, consult the product documentation or manufacturer.