Gates 21585 Radiator Coolant Hose - Lower or Upper

Overview of Gates Molded Coolant Hose 21585

The Gates Molded Coolant Hose 21585 is designed for reliable cooling system performance in select BMW, Buick, Oldsmobile, and Pontiac vehicles. Engineered with EPDM material, this molded radiator coolant hose offers durability and precise fitment for models like the BMW 750iL and Pontiac Bonneville.

• Constructed from durable EPDM material for heat and chemical resistance
• Molded design ensures exact fit and secure connections
• Centerline length of 20.9 inches (531 mm) for proper routing
• Consistent inside diameter of 1.5 inches (38 mm) on both ends
• Compatible with BMW 750iL, 850Ci, Buick LeSabre, Oldsmobile Delta 88, Pontiac Bonneville, and more

About the Molded Coolant Hose Product Line

The Gates Molded Coolant Hose line focuses on precision-molded radiator hoses that maintain consistent dimensions and reliable sealing. This product line is designed to meet OEM specifications, providing a direct replacement that supports proper coolant flow and system integrity. The molded construction reduces the risk of leaks and hose failure compared to universal or fabricated hoses.

Detailed Product Description

The Gates Molded Coolant Hose 21585 is manufactured from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals. Both ends of the hose have an inside diameter of 1.5 inches (38 mm), ensuring compatibility with standard radiator fittings. The hose length measures 20.9 inches (531 mm) along the centerline, allowing for precise installation without excess slack or tension. This hose does not contain any internal springs or quick connect fittings, simplifying installation and reducing potential failure points.

Common Applications and Problem Solving

• Replacement of worn or cracked radiator coolant hoses in BMW 750iL and 850Ci models
• Addressing coolant leaks caused by hose degradation in Buick LeSabre and Oldsmobile Delta 88
• Restoring proper coolant flow in Pontiac Bonneville and Delta 88 cooling systems
• Preventing overheating issues related to compromised radiator hoses
• Ensuring secure coolant system connections without spring or quick connect fittings

Installation Notes and Tips

• Verify hose dimensions and fitment with your vehicle’s specifications before installation
• Ensure all clamps and fittings are clean and free of corrosion for a secure seal
• Replace any worn or damaged clamps during installation to prevent leaks
• Carefully route the hose to avoid kinks or contact with moving engine parts
• Check for leaks after installation and during initial engine operation

Quality Assurance and Warranty

Gates Molded Coolant Hose 21585 is manufactured to meet or exceed OEM standards for durability and performance. The EPDM material and molded construction provide resistance to heat, pressure, and coolant chemicals. While specific warranty details may vary, Gates typically offers coverage against defects in material and workmanship to ensure product reliability.