Gates 24231 Radiator Coolant Hose - Lower

Gates 24231 Molded Coolant Hose Overview

The Gates 24231 molded coolant hose is a radiator coolant hose built for specific BMW lower hose applications. It uses EPDM, plastic, and steel construction with molded routing and OE-style modular features for a direct-fit replacement on select 2008-2010 BMW 535i, 535i xDrive, 535i GT, and 535xi models.

Gates Molded Coolant Hose products focus on application-specific fitment and OE-style integrated components. This line is built for vehicles that use modular hose assemblies with quick-connect connections and related molded features, helping maintain the original cooling system layout.

Key Features

• Part number 24231 radiator coolant hose for select BMW lower hose applications
• Molded hose design for factory-style routing
• EPDM, plastic, and steel construction
• 1.25 in. / 32 mm inside diameter at both ends
• 14.25 in. / 362 mm centerline length
• Modular hose design with 2 female quick connectors
• OE-style replacement for modular coolant hose assemblies

Detailed Description

Gates 24231 is a molded coolant hose engineered for lower radiator hose service on select BMW turbocharged 5 Series applications. It measures 14.25 inches centerline length and uses 1.25-inch ends at both connections, with molded construction that follows the original hose path. The modular design includes two female quick connectors and is built to match the style of factory coolant assemblies used on these vehicles. If you are replacing a lower coolant hose on a 2008-2010 BMW 535i, 2010 BMW 535i GT, 2009-2010 BMW 535i xDrive, or 2008 BMW 535xi, part number 24231 is the direct reference to verify.

This part cross-references Dayco 72792 and Rein CHR0461 for the same application.

What It Helps Address

• Coolant leaks from a cracked or aged lower radiator hose
• Loss of proper coolant flow through the lower hose circuit
• Fitment issues caused by non-molded replacement hoses
• Connection problems at modular quick-connect fittings
• Cooling system service on BMW 535i, 535i xDrive, 535i GT, and 535xi models

Installation Notes and Tips

Confirm the vehicle year, model, and lower hose routing before installation. Inspect the quick-connect ends, mating ports, and nearby cooling system components for wear, residue, or damage before reassembly. Verify that the hose follows the original molded path and that both connectors seat fully during installation. Use the vehicle’s cooling system service procedure when refilling and bleeding the system.

Quality Assurance

Gates is a recognized aftermarket supplier of modular coolant hose assemblies, and this hose is manufactured to application-specific dimensions and OE-style component layout for the listed BMW fitments.