Sunsong 3401260 Power Steering Pressure Line Hose Assembly - Pump To Hydroboost

Overview of Sunsong Power Steering Pressure Line Hose Assembly

The Sunsong 3401260 power steering pressure line hose assembly is designed for reliable hydraulic performance in heavy-duty Chevrolet and GMC trucks. Engineered to meet the specifications of Sierra 2500 HD, Sierra 3500, Silverado 2500 HD, and Silverado 3500 models, this hose assembly ensures consistent power steering fluid flow under demanding conditions.

• Compatible with Chevrolet Sierra 2500 HD, Sierra 3500, Silverado 2500 HD, Silverado 2500 HD Classic, Silverado 3500, Silverado 3500 Classic, and Silverado 3500 HD
• Part number 3401260 for precise identification and fitment
• Constructed with durable CSM hose material for heat and abrasion resistance
• 30.9 inches (785 mm) in length to match OEM specifications
• End fittings: 16 mm and 18 mm male o-ring types for secure connections
• No bracket included, designed for direct replacement
• Does not include a power steering switch port

Detailed Product Description

This Sunsong power steering pressure line hose assembly (part number 3401260) is manufactured with high-quality chlorosulfonated polyethylene (CSM) hose material, providing excellent resistance to heat, oil, and abrasion. The hose measures 30.9 inches (785 mm) in length, matching the original equipment dimensions for a proper fit. Both ends feature male o-ring fittings—16 mm on one end and 18 mm on the other—ensuring a leak-free seal within the power steering system. This assembly is designed without a bracket or power steering switch port, making it a direct replacement for compatible Chevrolet and GMC heavy-duty truck models.

Compatible Vehicles and Applications

This power steering pressure line hose assembly is compatible with the following vehicles:

• Chevrolet Sierra 2500 HD and Sierra 3500 series
• GMC Sierra 3500 series
• Chevrolet Silverado 2500 HD, 2500 HD Classic, 3500, 3500 Classic, and 3500 HD models

Common Issues Addressed by This Hose Assembly

• Leaking or cracked power steering pressure lines causing fluid loss
• Reduced steering responsiveness due to compromised hose integrity
• Power steering fluid contamination from deteriorated hose material
• Noise or whining from the power steering pump due to pressure loss
• Replacement of worn or damaged OEM pressure line hoses

Installation Notes and Tips

• Ensure the vehicle is safely lifted and supported before beginning installation
• Drain power steering fluid to prevent spills during hose removal
• Inspect fittings and seals for damage and replace if necessary
• Use proper torque specifications on fittings to avoid leaks
• Bleed the power steering system after installation to remove air pockets

Quality Assurance and Warranty

Sunsong power steering hoses are manufactured to meet or exceed OEM standards for durability and performance. The 3401260 hose assembly undergoes rigorous quality control to ensure reliable operation in heavy-duty Chevrolet and GMC trucks. While specific warranty details may vary, Sunsong products typically include a limited warranty against defects in materials and workmanship. Refer to the product documentation for exact warranty terms.