Gates 25321 Radiator Coolant Hose - Lower or Upper

Overview of Gates Flexible Coolant Hose (Standard) 25321

The Gates Flexible Coolant Hose (Standard) part number 25321 is engineered for reliable cooling system performance. Designed with durable EPDM and steel materials, this radiator coolant hose is compatible with various GM and Chrysler vehicles, including Cadillac DeVille and Chevrolet G20 models.

• Constructed from EPDM rubber and reinforced steel for durability
• End 1 inside diameter: 1.25 inches (32 mm)
• End 2 inside diameter: 1.5 inches (38 mm)
• Centerline length: 44 inches (1118 mm)
• Non-molded design for flexible installation

Detailed Product Description

The Gates Flexible Coolant Hose (Standard) 25321 is a radiator coolant hose designed to maintain optimal engine temperature by efficiently circulating coolant. Its EPDM rubber construction offers resistance to heat, ozone, and coolant chemicals, while the steel reinforcement provides structural integrity under pressure. The hose features two different inside diameters—1.25 inches (32 mm) on one end and 1.5 inches (38 mm) on the other—allowing for precise fitment in cooling systems requiring varied connection sizes. With a centerline length of 44 inches (1118 mm), this hose suits longer routing paths in vehicle cooling circuits.

About the Flexible Coolant Hose (Standard) Product Line

The Flexible Coolant Hose (Standard) line by Gates focuses on delivering dependable coolant hoses made from quality materials like EPDM and steel. These hoses are designed to meet OEM specifications for a range of vehicles, ensuring compatibility and performance. The standard designation indicates a non-molded, flexible hose suitable for various cooling system layouts without specialized fittings.

Compatible Vehicles and Applications

• Cadillac DeVille, Eldorado, Fleetwood
• Chevrolet G10, G20, G30 vans
• Chrysler Caravan, Town & Country, Voyager
• Dodge Caravan, Grand Caravan
• GMC P20, P30, P2500, P3500, R2500, R3500
• Plymouth Grand Voyager, Dynasty, New Yorker, Imperial

Common Issues Addressed by This Radiator Coolant Hose

• Coolant leaks due to cracked or worn hoses
• Overheating caused by restricted coolant flow
• Swelling or softening of old hoses from heat exposure
• Incompatibility with OEM hose sizes leading to poor fit
• Corrosion or damage from coolant chemical exposure

Installation Notes and Tips

• Verify hose dimensions against vehicle specifications before installation
• Ensure clamps are properly tightened to prevent leaks
• Inspect adjacent components for wear during replacement
• Flush cooling system if hose failure was due to contamination
• Use appropriate coolant type recommended by vehicle manufacturer

Quality Assurance and Warranty

Gates manufactures the Flexible Coolant Hose (Standard) 25321 to meet industry standards for durability and performance. The use of EPDM and steel materials ensures resistance to heat and pressure typical in automotive cooling systems. While specific warranty details are not provided here, Gates products generally come with manufacturer-backed quality assurance to support reliable operation in compatible Cadillac, Chevrolet, Chrysler, Dodge, GMC, and Plymouth vehicles.