Gates 22674 Radiator Coolant Hose - Lower

Gates 22674 Molded Lower Coolant Hose

Gates 22674 is a molded radiator coolant hose built to OEM-quality specifications for lower coolant routing. It is formed from EPDM for dependable coolant resistance and a precise fit on select Lexus applications, including GS350, SC430, GS300, LS430, GS430, GS400, and LS400 models.

The Gates Molded Coolant Hose line covers upper, lower, bypass, heater, and other coolant applications with application-specific shapes that match the original hose path. For Lexus GS350 lower radiator hose replacement or Lexus LS430 lower coolant hose service, this molded design helps restore the factory-style routing and fit.

Key Features

• Part number 22674
• Molded radiator coolant hose for lower coolant applications
• EPDM construction for coolant system service
• OEM-quality specifications for fit and form
• End inside diameter: 1.46 in. (37 mm) at both ends
• Centerline length: 22.9 in. (582 mm)
• Molded design with no spring and no quick-connect fittings

Detailed Description

This Gates molded coolant hose is engineered for direct replacement use in the cooling system where a formed lower hose is required. The hose shape, diameter, and centerline length are matched to the application to support proper routing around engine components and maintain a secure connection at both ends. If you are replacing a worn Lexus GS430 lower radiator hose or servicing a Lexus SC430 lower coolant hose, Gates 22674 provides a fit-focused replacement option.

Gates’ molded coolant hose product line is built for a wide range of cooling-system repairs, helping reduce the need to source a hose from the OE dealer. Part number 22674 also cross-references Dayco 72430 for the same application.

Vehicle Fitment

• Fits 2007-2011 Lexus GS350, Lower
• Fits 2002-2010 Lexus SC430, Lower
• Fits 2006 Lexus GS300, Lower
• Fits 2001-2006 Lexus LS430, Lower
• Fits 2001-2005 Lexus GS430, Lower
• Fits 1998-2000 Lexus GS400, Lower
• Fits 1999-2000 Lexus LS400, Lower

Common Repair Uses

• Lower radiator hose replacement for cracked or aged hose material
• Cooling system repair after coolant seepage at the hose
• Restoring proper hose routing on Lexus GS350, LS430, and SC430 models
• Replacing a swollen or softened EPDM hose
• Fixing a hose that no longer seals correctly at the connection points

Installation Notes

Verify the hose shape, end diameters, and centerline length against the original part before installation. Inspect the mating necks, clamps, and surrounding cooling-system components for wear or corrosion, and replace any damaged parts as needed. Drain coolant safely, route the hose without twisting, and confirm there is no interference with nearby engine parts after installation.

Quality Assurance

Gates manufactures this molded coolant hose to OEM-quality specifications for the listed Lexus applications. The EPDM construction and application-specific molded profile are intended to match the original cooling-system layout for reliable replacement service.