Sunsong 3403117 Power Steering Return Line Hose Assembly

Power Steering Return Hose for Select GM Vehicles

This Sunsong power steering return line hose assembly is built for select Chevrolet, Pontiac, Cadillac, Buick, Oldsmobile, and GMC applications from 1980-1990. Part number 3403117 is engineered for low-pressure return-side service and is a direct-fit style replacement for vehicles that require an exact-length or cut-to-fit hose configuration.

Key Features

• Power steering return line hose assembly for low-pressure, high-temperature operation
• Max working pressure rated at 250 psi
• 35 in. hose length for fitment-specific routing
• 3/8 in. ID hose end and 16 mm male O-ring end
• CSM hose material for durability in steering return applications
• High-grade steel tubing with zinc electroplating for corrosion and rust resistance
• Fits applications such as Chevrolet Caprice, Camaro, Impala, Monte Carlo, and Pontiac Firebird

Detailed Description

Sunsong 3403117 is a power steering return line hose assembly made for vehicles that need a precise steering return connection without compromising routing or sealing. It is suitable for Chevrolet Caprice, Chevrolet Camaro, Pontiac Firebird, Cadillac Eldorado, Cadillac DeVille, Buick Regal, and other listed applications, including models that require cut-to-fit installation or adjustable-length routing. The assembly uses a 3/8 in. ID hose end, a 16 mm male O-ring end, and a 35 in. overall length to match the original vehicle layout. This part cross-references Dayco 80442 and Gates 363910 for the same application.

Common Uses

• Replacing a leaking or cracked power steering return hose
• Restoring steering fluid return flow on Chevrolet Caprice and Impala applications
• Addressing hose deterioration from heat, road salt, and grime
• Repairing steering return line issues on Pontiac Firebird and Camaro models
• Replacing corroded tubing on Cadillac and Buick steering systems

Installation Notes and Tips

• Verify end styles and routing before installation: 3/8 in. ID hose end and 16 mm male O-ring end
• Some listed vehicles require cut-to-fit installation or adjustable-length routing
• Check for clearance around AC components, hydroboost equipment, and cooler-equipped systems where noted
• Inspect brackets, grommets, heat shields, bushings, and sleeves on the vehicle and replace worn related parts as needed
• Follow the vehicle service procedure for proper hose routing and leak checking after installation

Quality Assurance

Sunsong manufactures this return hose assembly to exceed original equipment performance standards for return-side steering service. The steel tubing is zinc electroplated to improve resistance to corrosion and rust in harsh driving environments, including high humidity, water, road salt, and grime. Part number 3403117 is built for exact-fit applications and restored steering system reliability.