Sunsong 3402891 Power Steering Pressure Line Hose Assembly - Pump To Hydroboost

Power Steering Pressure Line Hose Assembly Overview

The Sunsong 3402891 power steering pressure line hose assembly is designed for reliable hydraulic fluid transfer in heavy-duty Chevrolet and GMC trucks. Engineered to meet the demands of Sierra 2500 HD, Sierra 3500 HD, Silverado 2500 HD, Silverado 3500, and Silverado 3500 HD models, this hose assembly ensures consistent steering performance under high pressure.

• Compatible with Chevrolet and GMC heavy-duty trucks including Sierra 2500 HD, Sierra 3500 HD, Silverado 2500 HD, Silverado 3500, and Silverado 3500 HD
• Power steering pressure line hose assembly with part number 3402891
• Constructed with durable CSM hose material for enhanced resistance to heat and wear
• End 1 fitting: 16 mm male o-ring type; End 2 fitting: 18 mm male o-ring type
• Overall length of 41.25 inches (1048 mm) for precise fitment
• No bracket included and no power steering switch port

Detailed Product Description

The Sunsong 3402891 power steering pressure line hose assembly is built to maintain hydraulic pressure within the power steering system of select Chevrolet and GMC heavy-duty trucks. Featuring a robust CSM (chlorosulfonated polyethylene) hose material, it offers excellent resistance to heat, ozone, and abrasion, which is critical for the demanding conditions under the hood. The hose assembly measures 41.25 inches (1048 mm) in length, providing an exact fit for the specified models. Both ends are equipped with male o-ring fittings—16 mm on one end and 18 mm on the other—ensuring secure, leak-free connections. This assembly does not include a bracket or a power steering switch port, simplifying installation and compatibility.

Common Applications and Issues Addressed

• Replacement of worn or leaking power steering pressure hoses in Chevrolet Sierra 2500 HD and 3500 HD
• Restoring proper hydraulic pressure in GMC Silverado 2500 HD and 3500 series power steering systems
• Eliminating power steering fluid leaks caused by cracked or damaged hoses
• Resolving steering stiffness or noise related to compromised pressure line hoses
• Preventing potential steering failure due to hose deterioration

Installation Notes and Tips

• Ensure the vehicle is safely lifted and supported before beginning installation
• Drain power steering fluid to avoid spills during hose removal
• Verify the hose length and fitting sizes (16 mm and 18 mm male o-ring) match the vehicle’s specifications
• Inspect fittings and connections for damage or corrosion before installation
• Use proper torque specifications to avoid overtightening fittings and causing leaks

Quality Assurance and Warranty

Sunsong power steering hoses are manufactured to meet or exceed OEM standards for durability and performance. The 3402891 hose assembly undergoes rigorous quality control to ensure reliable operation in heavy-duty Chevrolet and GMC trucks. While specific warranty details may vary, Sunsong typically offers coverage against defects in materials and workmanship. Consult the product documentation or supplier for exact warranty terms.