Dorman 623-100 Power Steering Return Line Hose Assembly

Dorman 623-100 Power Steering Return Line Hose

Dorman 623-100 is a power steering return line hose assembly built to match the original hose routing and connection style on select Buick, Oldsmobile, and Pontiac vehicles. It combines metal and rubber construction for a direct replacement on applications that use a threaded end and a hose-and-clamp connection.

Key Features

• Power steering return line hose assembly for steering system repair
• Metal and rubber construction with black and silver finish
• 29-inch length for the specified vehicle applications
• Threaded end 1 and hose-and-clamp end 2
• Fittings included for the listed application
• Direct replacement for select Buick LeSabre, Park Avenue, Oldsmobile 88, Oldsmobile 98, and Pontiac Bonneville models

Detailed Description

This Dorman power steering return line hose assembly is engineered to match the original components required for repair on the listed vehicles. The hose assembly is built with metal and rubber materials to support dependable fluid transfer in the steering system, and its 29-inch length helps maintain the original layout on the specified Buick, Oldsmobile, and Pontiac applications. Dorman 623-100 cross-references Dayco 80643 and Sunsong 3401452 for the same application.

Compatible With 1992-1995 Buick LeSabre, outlet; pump w/19.0 mm diameter pulley shaft. Compatible With 1991-1994 Buick Park Avenue, outlet; pump w/19.0 mm diameter pulley shaft. Compatible With 1992-1994 Oldsmobile 88, outlet; pump w/19.0 mm diameter pulley shaft. Compatible With 1991-1994 Oldsmobile 98, outlet; pump w/19.0 mm diameter pulley shaft. Compatible With 1992-1994 Pontiac Bonneville, outlet; pump w/19.0 mm diameter pulley shaft.

Common Repair Uses

• Leaking or cracked power steering return hose
• Damaged hose connections at the steering pump outlet
• Fluid seepage at the threaded or clamp-style end connections
• Restoring proper power steering fluid return flow
• Replacing a worn hose assembly on select Buick, Oldsmobile, and Pontiac vehicles

Installation Notes and Tips

Verify the vehicle year, make, model, and pump note before ordering. Confirm the 19.0 mm diameter pulley shaft specification and inspect the routing path, end style, and connection points before installation. Clean the mating surfaces and check the system for leaks after installation to confirm proper sealing and fluid return.

Quality Assurance

Dorman designs this hose assembly to match the original components required for the listed repair applications and to provide reliable performance and durability in service.