Sunsong 3401789 Power Steering Pressure Line Hose Assembly - Pump To Hydroboost

Power Steering Pressure Line Hose Assembly Overview

The Sunsong 3401789 power steering pressure line hose assembly is designed for reliable hydraulic fluid transfer in select Cadillac, Chevrolet, Ford, GMC, and Pontiac vehicles. This 31-inch hose features durable CSM material and male inverted flare fittings to ensure a secure, leak-free connection.

• Length: 31 inches (787 mm) for precise fitment
• End 1 fitting: 5/8 inch male inverted flare
• End 2 fitting: 11/16 inch male inverted flare
• Constructed from CSM hose material for durability
• No bracket included
• No power steering switch port

Detailed Product Description

The Sunsong 3401789 power steering pressure line hose assembly is engineered to meet the hydraulic requirements of various commercial chassis and passenger vehicles. Its CSM (chlorosulfonated polyethylene) hose material offers resistance to heat, oil, and abrasion, making it suitable for demanding steering system environments. The hose assembly includes male inverted flare fittings on both ends—5/8 inch on one end and 11/16 inch on the other—ensuring compatibility with factory steering components. At 31 inches in length, this hose fits models such as Cadillac DeVille, Chevrolet P10, P20, P30, Ford LTD, GMC P1500, P2500, P3500, and Pontiac Grand Prix and GTO.

Compatible Vehicles and Applications

• Cadillac DeVille
• Chevrolet Commercial Chassis, P10, P20, P30
• Ford LTD
• GMC P1500, P2500, P3500
• Pontiac Grand Prix, GTO

Common Issues Addressed by This Hose Assembly

• Leaking or cracked power steering pressure lines
• Loss of hydraulic pressure causing steering difficulty
• Damaged or worn fittings leading to fluid leaks
• Hose deterioration from heat and chemical exposure
• Replacement of original equipment hoses for maintenance

Installation Notes and Tips

• Ensure the correct orientation of male inverted flare fittings during installation
• Verify hose length and fitting sizes match vehicle specifications
• Inspect surrounding components for wear or damage before installation
• Use proper torque specifications to avoid over-tightening fittings
• Bleed the power steering system after installation to remove air

Quality Assurance and Warranty

Sunsong power steering hoses are manufactured to meet industry standards for durability and performance. The 3401789 hose assembly undergoes rigorous testing to ensure resistance to pressure, heat, and chemical exposure. While specific warranty details may vary, Sunsong products typically include a limited warranty against defects in material and workmanship. Consult product documentation or the manufacturer for exact warranty terms.