Gates 21936 Radiator Coolant Hose - Upper

Overview of Gates Molded Coolant Hose 21936

The Gates Molded Coolant Hose 21936 is designed to provide reliable coolant flow in automotive cooling systems. Constructed from durable EPDM material, this molded radiator coolant hose offers precise fitment and long-lasting performance for various vehicle applications.

• Made from high-quality EPDM rubber for heat and chemical resistance
• Molded design ensures exact shape and fit
• End 1 and End 2 inside diameters both measure 2 inches (51 mm)
• Centerline length of 23.7 inches (602 mm) for accurate routing
• Contains no internal spring, providing flexibility without restriction
• Zero branch quantity and no quick connect fittings for straightforward installation

Detailed Product Description

The Gates Molded Coolant Hose line specializes in precision-molded radiator hoses engineered to meet specific vehicle cooling system requirements. The 21936 part number features a molded construction 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 2 inches (51 mm), making it suitable for radiator connections requiring this size. With a centerline length of 23.7 inches (602 mm), this hose is designed to maintain proper coolant flow without kinks or leaks. The absence of internal springs and quick connect fittings simplifies the hose design, reducing potential failure points and ensuring compatibility with vehicles that require a molded hose without additional fittings.

Common Applications and Problem Solving

• Replacement of worn or cracked radiator coolant hoses in compatible vehicles
• Resolving coolant leaks caused by hose degradation or improper fit
• Preventing overheating issues due to restricted or collapsed hoses
• Maintaining proper coolant circulation in vehicles requiring a 2-inch diameter molded hose
• Eliminating coolant contamination from hose material breakdown

Installation Notes and Tips

When installing the Gates Molded Coolant Hose 21936, ensure the hose is routed without sharp bends or twists to maintain coolant flow integrity. Verify that the 2-inch (51 mm) inside diameter matches the radiator and engine fittings on your vehicle. Use appropriate clamps to secure the hose ends firmly, preventing leaks. Since this hose does not contain internal springs or quick connect fittings, installation requires standard hose clamps and careful alignment to avoid stress points.

Quality Assurance and Warranty

Gates is a recognized manufacturer of automotive cooling components, and the Molded Coolant Hose product line adheres to strict quality standards. The EPDM material and molded construction provide durability under typical engine operating temperatures and pressures. While specific warranty details for part number 21936 are not provided here, Gates products generally come with manufacturer-backed warranties covering defects in material and workmanship.