Sunsong 3401521 Power Steering Pressure Line Hose Assembly

Overview of Sunsong Power Steering Pressure Line Hose Assembly

The Sunsong 3401521 power steering pressure line hose assembly is designed for reliable hydraulic performance in select GM vehicles. Engineered without a bracket and featuring male o-ring fittings, this hose assembly supports consistent power steering fluid flow for smooth steering response.

• Compatible with Buick, Chevrolet, Oldsmobile, Pontiac, and Saturn models
• Fits vehicles including Aztek, Montana, Relay, Rendezvous, Silhouette, Terraza, and Uplander
• End 1 fitting: 16 mm male o-ring
• End 2 fitting: 18 mm male o-ring
• Hose length: 62.8 inches (1595 mm)
• Constructed with durable CSM hose material
• No bracket or power steering switch port included

Technical Details and Specifications

The Sunsong 3401521 power steering pressure line hose assembly is built with chlorosulfonated polyethylene (CSM) material, known for its resistance to heat, oil, and abrasion. The hose measures 62.8 inches (1595 mm) in length, providing the necessary reach for proper installation in compatible GM vehicles. Both ends feature male o-ring fittings—16 mm on one end and 18 mm on the other—ensuring a secure, leak-resistant connection within the power steering system. This assembly does not include a mounting bracket or a power steering switch port, simplifying installation in applications where these components are not required.

Compatible Vehicles and Applications

This power steering pressure line hose assembly is compatible with a range of GM vehicles, including Buick Aztek, Chevrolet Montana, Relay, Pontiac Rendezvous, Silhouette, Saturn Terraza, and Uplander models. It is designed to replace worn or damaged pressure hoses in these vehicles, restoring proper hydraulic pressure and steering performance.

Common Issues Addressed by This Hose Assembly

• Leaking or cracked power steering pressure hoses causing fluid loss
• Reduced steering responsiveness due to pressure loss
• Hose deterioration from heat and chemical exposure
• Noise or whining from air entering the power steering system
• Preventing potential damage to power steering pumps and racks

Installation Notes and Tips

When installing the Sunsong 3401521 hose assembly, ensure the fittings are clean and free of debris before connection. Use proper torque specifications to avoid overtightening the male o-ring fittings. Since this assembly does not include a bracket, verify that the hose is securely routed and supported to prevent chafing or vibration. Bleed the power steering system after installation to remove any trapped air and restore optimal steering function. Refer to technical tips TT1000 and TT1001 for additional guidance.

Quality Assurance and Warranty Information

Sunsong power steering hoses are manufactured to meet or exceed OEM standards for durability and performance. The 3401521 hose assembly undergoes rigorous quality control to ensure leak-free operation and long service life. While specific warranty details may vary, Sunsong products typically include a limited warranty against defects in materials and workmanship. Consult product documentation or your supplier for exact warranty terms.