Gates 21210 Radiator Coolant Hose - Lower

Gates 21210 Molded Coolant Hose

Gates 21210 is a molded radiator coolant hose built for lower cooling-system routing on select Jeep applications. It uses EPDM construction and OEM-style dimensions to match the original hose path and connection sizes for service replacement.

Key Features

• EPDM rubber construction for coolant-system use
• Molded shape for a direct replacement profile
• End 1 inside diameter: 1.5 in. (38 mm)
• End 2 inside diameter: 1.75 in. (44 mm)
• Centerline length: 28.8 in. (732 mm)
• No spring and no quick-connect fittings
• Lower hose application for Jeep CJ5, Jeep CJ7, and Jeep Scrambler

Product Details

The Gates Molded Coolant Hose line is built for upper, lower, bypass, heater, and other coolant routing needs with OEM-quality specifications. Part number 21210 follows the molded shape needed for lower radiator hose service and is sized to match the listed inlet and outlet diameters. This makes it a practical replacement for Jeep CJ5, Jeep CJ7, and Jeep Scrambler cooling-system maintenance where the original hose path must be retained.

This part cross-references Dayco 70636 for the same application.

What It Helps Fix

• Coolant leaks from a cracked or aged lower radiator hose
• Softening, swelling, or collapse in the hose body
• Improper hose routing after prior repair work
• Loss of cooling-system sealing at the hose ends
• Service replacement needs on Jeep CJ5, Jeep CJ7, and Jeep Scrambler models

Installation Notes and Tips

Verify hose routing, end diameters, and centerline length before installation. Inspect the radiator neck, engine fitting, and clamps for wear or corrosion, and replace any damaged sealing surfaces before filling the system. Confirm the hose is positioned as the lower coolant hose on the vehicle and check for clearance after installation.

Quality Assurance

Gates manufactures this molded coolant hose to OEM-quality specifications for radiator hose replacement service. The EPDM material and molded construction are selected for standard coolant-system durability and fit consistency.