Sunsong 3402371 Power Steering Pressure Line Hose Assembly

Overview of Sunsong Power Steering Pressure Line Hose Assembly

The Sunsong 3402371 power steering pressure line hose assembly is designed for reliable hydraulic performance in Ford and Lincoln vehicles. This hose assembly is engineered to meet the specific requirements of models like the Ford F-150, F-350, Expedition, and the Lincoln Navigator.

• Compatible with Ford Expedition, F-150, F-350, and Lincoln Navigator
• Length: 56.3 inches (1430 mm) for precise fitment
• End 1 fitting: 14 mm male captive o-ring
• End 2 fitting: 16 mm male swivel o-ring
• Constructed with durable CSM hose material
• Includes power steering switch port for system integration
• Part number: 3402371

Detailed Product Description and Specifications

The Sunsong 3402371 power steering pressure line hose assembly is built with high-quality chlorosulfonated polyethylene (CSM) hose material, providing excellent resistance to heat, oil, and abrasion. The hose measures 56.3 inches (1430 mm) in length, ensuring proper routing and fitment within the power steering system of compatible Ford and Lincoln vehicles. The assembly features a 14 mm male captive o-ring fitting on one end and a 16 mm male swivel o-ring fitting on the other, allowing for secure and leak-resistant connections. Additionally, this hose includes a power steering switch port, facilitating integration with the vehicle’s power steering pressure switch for accurate system monitoring.

Compatible Vehicles and Applications

This power steering pressure line hose assembly is specifically designed for use in the following vehicles:

• Ford Expedition
• Ford F-150
• Ford F-350
• Lincoln Navigator

It is intended to replace worn or damaged pressure line hoses in the power steering system, restoring proper hydraulic pressure and steering performance.

Common Issues Addressed by This Hose Assembly

• Leaking or cracked power steering pressure hoses
• Loss of hydraulic pressure causing steering difficulty
• Power steering fluid contamination due to hose degradation
• Noise or whining from the power steering pump due to low fluid pressure
• Faulty power steering switch port connections affecting system diagnostics

Installation Notes and Technical Tips

When installing the Sunsong 3402371 hose assembly, ensure all fittings are clean and free of debris before connection. The male captive o-ring and male swivel o-ring fittings require proper torque to prevent leaks without damaging the seals. The included power steering switch port should be connected according to the vehicle’s service manual specifications. Refer to technical tip TT1000 for additional installation guidance and best practices.

Quality Assurance and Warranty Information

Sunsong power steering hoses are manufactured to meet or exceed OEM standards for durability and performance. The 3402371 hose assembly undergoes rigorous quality control to ensure leak-free operation and long service life. Warranty coverage details should be confirmed with the product documentation or supplier, as terms may vary.