Gates 19320 HVAC Heater Hose - Heater To Engine (Upper)

Overview of Gates Molded Heater Hose 19320

The Gates Molded Heater Hose 19320 is designed for reliable HVAC system performance in select Buick, Chevrolet, and Pontiac vehicles. Engineered with durable EPDM material, this molded heater hose ensures proper coolant flow and heat transfer for models like the Buick Allure, Chevrolet Impala, and Pontiac Grand Prix.

• Constructed from high-quality EPDM for heat and chemical resistance
• Molded design for precise fit and easy installation
• End 1 inside diameter: 0.64 inches (16 mm)
• End 2 inside diameter: 0.73 inches (19 mm)
• Centerline length: 24.4 inches (620 mm)
• No quick connect fittings or branches, ensuring straightforward replacement

Detailed Product Description

The Gates Molded Heater Hose 19320 is part of the Molded Heater Hose product line, which focuses on delivering exact-fit hoses molded to match OEM specifications. This hose is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and automotive fluids, making it suitable for HVAC heater core connections. The molded construction provides a precise shape that aligns with the vehicle’s heater system layout, reducing the risk of leaks and improving durability. With a centerline length of 24.4 inches (620 mm) and differing inside diameters on each end (0.64 inches/16 mm and 0.73 inches/19 mm), this hose is engineered to fit specific Buick, Chevrolet, and Pontiac models accurately.

Compatible Vehicles and Applications

This heater hose is compatible with the following makes and models:

• Buick Allure
• Chevrolet Impala
• Chevrolet Monte Carlo
• Pontiac Grand Prix
• Buick LaCrosse

It is designed to replace the original HVAC heater hose, ensuring proper coolant flow to the heater core and maintaining cabin heating efficiency.

Common Issues Addressed by This Heater Hose

• Heater core coolant leaks due to cracked or worn hoses
• Reduced heating performance from collapsed or clogged hoses
• Coolant loss caused by hose deterioration
• Improper fitment leading to hose disconnections or leaks
• Replacement of aged or damaged OEM heater hoses

Installation Notes and Tips

• Verify hose dimensions and fitment with your vehicle’s specifications before installation
• Drain coolant system prior to hose removal to prevent spills
• Inspect heater core connections and clamps for wear and replace if necessary
• Ensure the molded hose aligns correctly with the HVAC system layout to avoid kinks
• After installation, refill and bleed the cooling system to remove air pockets

Quality Assurance and Warranty

Gates Molded Heater Hose 19320 is manufactured to meet or exceed OEM standards for durability and performance. The EPDM material and molded design contribute to long service life under typical operating conditions. While specific warranty details may vary, Gates products generally come with a limited warranty against defects in material and workmanship. Consult product documentation or the manufacturer for exact warranty terms.