Gates 23328 Radiator Coolant Hose - Upper

Gates 23328 Molded Coolant Hose Overview

The Gates 23328 molded coolant hose is a radiator coolant hose built for upper cooling-system routing on select Kia applications. It uses EPDM construction and molded shaping to match the factory hose path, helping maintain proper coolant flow and a clean OE-style fit.

Compatible with 2006-2010 Kia Optima, upper; 2006-2010 Kia Magentis, upper; and 2007-2012 Kia Rondo, upper. This Gates molded coolant hose is a direct replacement choice for drivers searching for a radiator hose replacement for Kia Optima, Kia Magentis, or Kia Rondo upper hose applications.

Key Features

• Brand: Gates Molded Coolant Hose
• Part number: 23328
• EPDM rubber construction for coolant-system service
• Molded design for factory-style routing
• End 1 inside diameter: 1.34 in. (34 mm)
• End 2 inside diameter: 1.34 in. (34 mm)
• Centerline length: 32.1 in. (815 mm)
• Upper radiator coolant hose application
• No spring and no quick-connect fittings

Product Details

Gates Molded Coolant Hose products are built for upper, lower, bypass, heater, and other coolant-system routes using OEM-quality specifications. The 23328 hose follows the molded shape needed for the listed Kia vehicles, which helps simplify replacement when the original hose has softened, cracked, or lost its formed shape. For shoppers comparing Kia Optima upper radiator hose, Kia Magentis coolant hose, or Kia Rondo molded hose options, this part number provides a direct-fit replacement path.

This part cross-references Bosch 16066 and Four Seasons 66275 for the same application.

What It Helps Fix

• Coolant leaks from a cracked or aged upper radiator hose
• Softening, swelling, or collapse in the hose body
• Poor hose routing caused by a deformed molded shape
• Loss of coolant flow from a restricted or damaged hose
• Replacement needs after inspection of the original Kia upper hose

Installation Notes

Verify hose routing, end diameters, and centerline length against the removed part before installation. Inspect clamps, mating necks, and nearby cooling-system components for wear or corrosion, and replace any damaged sealing surfaces before refilling the system. After installation, refill and bleed the cooling system according to the vehicle service procedure.

Quality Assurance

Gates manufactures molded coolant hoses to OE-style specifications for the listed applications, with EPDM material selected for cooling-system use. Part number 23328 is built as a molded radiator coolant hose for the confirmed Kia fitments shown above.