Gates 365456 Power Steering Pressure Line Hose Assembly - Hydroboost To Gear

Gates Pressure Line Assembly for Hydroboost Steering

The Gates 365456 power steering pressure line hose assembly is built for hydroboost-equipped GM vans and trucks that route pressure from the pump to the rack or gear box. It uses male O-ring ends, OE performance construction, and corrosion-resistant materials to support reliable steering system pressure.

Key Features

• Power steering pressure line hose assembly for pump-to-rack/gear box routing
• 46.5 in. overall length
• Male O-ring ends: 16 mm on End 1 and 18 mm on End 2
• Crimped sleeve made from anti-corrosion steel
• Zinc single-wall steel tube construction
• Rubber hose exceeds SAE J188 specifications
• OE Performance rating for factory-style service replacement
• Gates 365456 pressure line assembly for direct-fit steering repair

Product Details

Gates Pressure Line Assembly 365456 is a replacement power steering pressure hose for hydroboost systems that move fluid from the pump to the rack or gear box. The hose assembly is engineered with a 46.5-inch length, male O-ring connections, and durable steel tube and crimped sleeve materials to match the demands of steering pressure service. The rubber hose construction exceeds SAE J188 specifications, supporting dependable fluid transfer in demanding underhood conditions. This part cross-references Monroe Shocks & Struts (e.g., 37160) for the same application.

Compatible With 1997-2002 Chevrolet Express 2500, Hydroboost To Gear; 1997-2002 Chevrolet Express 3500, Hydroboost To Gear; 1997-2002 GMC Savana 1500, Hydroboost To Gear; 1997-2002 GMC Savana 2500, Hydroboost To Gear; and 1997-2002 GMC Savana 3500, Hydroboost To Gear. It also fits 2000-2002 Chevrolet Express 1500, Hydroboost To Gear, plus 2001-2002 Chevrolet G30, Hydroboost To Gear. Gates 365456 is a practical OE-style replacement for steering pressure line service on these applications.

Common Repair Uses

• Leaking power steering pressure hose
• Cracked or aged hose sections in the hydroboost steering circuit
• Corroded or damaged steel line sections
• Pressure loss between the pump and gear box
• Steering fluid seepage at O-ring connections

Installation Notes

• Verify end sizes and routing before installation: 16 mm male O-ring at one end and 18 mm male O-ring at the other.
• Confirm the vehicle uses the Hydroboost To Gear pressure line configuration listed in the fitment data.
• Inspect mating seals and connection surfaces before assembly.
• Flush contaminated power steering fluid if the original hose failed from internal wear or debris.
• Mounting brackets, bracket bushings, copper washers, heat sleeves, rubber mounts, and switch port are not included.

Quality Assurance

Gates Pressure Line Assembly products are built for OE performance service replacement, with corrosion-resistant steel components and hose construction that exceeds SAE J188 specifications. The Gates 365456 part number is also referenced in related aftermarket listings for the same steering application.