Sunsong 3402156 Power Steering Return Line Hose Assembly

Power Steering Return Hose for Ford Aerostar

Sunsong 3402156 is a power steering return line hose assembly built for the 1990 Ford Aerostar. It is engineered for low-pressure, high-temperature return-side service and built to restore the original hose routing and connection points on the vehicle.

Key Features

• Fits 1990 Ford Aerostar, N/A
• Power steering return line hose assembly for the return side of the system
• 3/8 in. ID hose end and 5/8 in. swivel O-ring end
• 15.4 in. overall length for exact-fit replacement
• CSM hose material for fluid resistance in steering applications
• Rated for up to 250 psi maximum working pressure
• Steel tubing with zinc electroplating for corrosion and rust resistance

Detailed Description

This Sunsong power steering return line hose assembly, part number 3402156, is made for the 1990 Ford Aerostar and follows the original equipment layout for the return circuit. The assembly uses high-grade steel tubing with a zinc coating to help resist corrosion from humidity, road salt, water, and grime, while the CSM hose section supports low-pressure, high-temperature operation. The 3/8 inch ID hose connection and 5/8 inch swivel O-ring end help ensure proper fitment at the steering system connection points. This part cross-references Gates 359690 for the same application.

Common Problems This Part Helps Address

• Leaking power steering return hose connections
• Cracked or hardened hose material from heat and age
• Corrosion on steel return line sections
• Improper hose routing or fitment on the Ford Aerostar
• Fluid seepage at worn steering hose ends

Installation Notes and Tips

Verify the hose routing, end fittings, and overall length before installation on the 1990 Ford Aerostar. Inspect mating surfaces, clamps, and nearby steering components for wear or contamination, and replace any damaged sealing surfaces before assembly. Confirm that the return-side connections match the 3/8 inch ID hose and 5/8 inch swivel O-ring configuration.

Quality Assurance

Sunsong manufactures this hose assembly to exceed original equipment performance standards for return-hose service. The steel construction and zinc plating are used to improve resistance to rust and corrosion in demanding underhood and underbody conditions.