Gates 20820 Radiator Coolant Hose - Lower or Upper

Overview of Gates Molded Coolant Hose 20820

The Gates Molded Coolant Hose 20820 is designed for reliable cooling system performance in select Buick, Chevrolet, GMC, Hyundai, and Mitsubishi vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures proper coolant flow and system integrity for models like the Buick Century and Chevrolet S10.

• Constructed from high-quality EPDM for heat and chemical resistance
• Molded design for precise fit and leak prevention
• End 1 inside diameter: 1.26 inches (32 mm)
• End 2 inside diameter: 1.46 inches (37 mm)
• Centerline length of 23.3 inches (592 mm) for accurate routing
• Compatible with multiple makes and models including Buick Century, Chevrolet S10 Blazer, and Mitsubishi Precis
• Does not contain internal springs or quick connect fittings

Detailed Product Description

The Gates Molded Coolant Hose 20820 is a radiator coolant hose crafted from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and coolant chemicals. This molded hose features precise inside diameters of 1.26 inches (32 mm) on one end and 1.46 inches (37 mm) on the other, with a centerline length of 23.3 inches (592 mm), ensuring a secure and accurate fit within the cooling system. The molded construction eliminates the need for additional clamps or fittings, reducing the risk of leaks and improving durability. This hose is designed without internal springs or quick connect fittings, providing a straightforward replacement part for vehicles requiring this specific configuration.

Compatible Vehicles and Applications

• Buick Century
• Chevrolet S10, S10 Blazer, S15, S15 Jimmy, Sonoma
• GMC S15 Jimmy, Sonoma
• Hyundai Excel, Scoupe
• Mitsubishi Precis

This hose is intended for use in radiator coolant systems where the specified dimensions and molded design match the original equipment requirements.

Installation Notes and Tips

• Ensure the cooling system is fully drained before removing the old hose
• Verify the inside diameters and length match the original hose to avoid fitment issues
• Inspect hose connections and clamps for wear and replace if necessary
• Properly route the hose to prevent kinks or contact with moving parts
• After installation, refill the cooling system and check for leaks during engine warm-up

Quality Assurance and Warranty

Gates Molded Coolant Hose 20820 is manufactured to meet or exceed OEM specifications for durability and performance. The EPDM material and molded construction provide resistance to heat, pressure, and coolant chemicals, contributing to long service life. While specific warranty details are not provided here, Gates products typically come with manufacturer-backed quality assurance to support reliable operation in compatible vehicles.

About the Gates Molded Coolant Hose Product Line

The Molded Coolant Hose line by Gates focuses on precision-molded hoses designed to fit specific vehicle applications without the need for additional fittings or modifications. This product line emphasizes durability and exact fitment, using EPDM material to withstand the demanding conditions of automotive cooling systems. The 20820 part exemplifies this approach by offering a molded radiator coolant hose tailored for select Buick, Chevrolet, GMC, Hyundai, and Mitsubishi models.