Sunsong 3402169 Power Steering Return Line Hose Assembly - Cooler To Reservoir

Power Steering Return Hose for GM Applications

The Sunsong 3402169 power steering return line hose assembly is built for low-pressure, high-temperature return-side service. It is engineered for direct replacement on select Buick, Chevrolet, Oldsmobile, and Pontiac vehicles, including Buick Regal and Pontiac Grand Prix applications.

Key Features

• Return line hose assembly for cooler-to-reservoir routing
• 3/8 in. ID hose fittings at both ends
• 27.3 in. overall length for listed applications
• CSM hose material for return-side steering fluid service
• High-grade steel tubing with zinc electroplating for corrosion and rust resistance
• Precision-engineered to match original fit and routing requirements
• Part number 3402169 for easy identification and ordering

Detailed Description

Sunsong 3402169 is a power steering return line hose assembly designed for the cooler-to-reservoir section of the steering system. It uses 3/8 in. ID hose connections on both ends and measures 27.3 in. long, making it a direct-fit service part for the listed GM platforms. The steel tubing is zinc coated to help resist humidity, road salt, water, and grime, while the hose construction is specified for low-pressure, high-temperature return flow. This part cross-references Gates 365588 for the same application.

Compatible With 1991 Buick Regal, Cooler To Reservoir; 1987-1991 Pontiac 6000, Cooler To Reservoir; 1987-1990 Buick Century, Cooler To Reservoir; 1988-1990 Buick Regal, Cooler To Reservoir; 1987-1990 Chevrolet Celebrity, Cooler To Reservoir; 1988-1990 Oldsmobile Cutlass, Cooler To Reservoir; 1988-1990 Oldsmobile Cutlass Supreme, Cooler To Reservoir; 1988-1990 Pontiac Grand Prix, Cooler To Reservoir; 1988-1989 Oldsmobile Cutlass Ciera, Cooler To Reservoir; 1988-1989 Oldsmobile Cutlass Cruiser, Cooler To Reservoir.

Common Problems This Part Addresses

• Leaking power steering return hose at the cooler-to-reservoir line
• Cracked or hardened hose material from heat and age
• Corrosion on exposed steel tubing and fittings
• Fluid seepage caused by worn original routing components
• Noise or steering fluid loss related to a deteriorated return line

Installation Notes and Tips

Verify the vehicle’s year, make, model, and steering line routing before installation. This assembly is specific to cooler-to-reservoir applications and uses 3/8 in. ID hose ends, so matching the original routing and connection style is important for proper fit. Inspect adjacent steering components, clamps, and sealing surfaces during replacement to confirm the system is restored to original condition.

Quality Assurance

Sunsong states that this return hose assembly exceeds original equipment performance standards for return-side steering service. The design includes corrosion-resistant steel tubing and application-specific engineering for the listed vehicles, including Buick Regal and Pontiac Grand Prix coverage under part number 3402169.