Sunsong 3402522 Power Steering Pressure Line Hose Assembly

Power Steering Pressure Line Hose for Expedition and Navigator

Sunsong 3402522 is a power steering pressure line hose assembly built for direct replacement on select 2007 Ford Expedition and 2007 Lincoln Navigator applications. It is engineered to restore steering fluid transfer with OE-style fitment and pressure capacity for the factory steering system.

With a 57-inch hose length, 14 mm male captive O-ring end, and 16 mm swivel O-ring end, this assembly is built around the original connection points used on the vehicle. Sunsong 3402522 is a practical replacement choice when the original pressure line shows leaks, corrosion, or pressure loss.

Key Features

• Power steering pressure line hose assembly for select Ford and Lincoln full-size SUVs
• Max working pressure rated at 1,500 psi
• Burst pressure rating of 8,700 psi
• Tensile strength rated at 1,600 lb
• High-grade steel tubing with zinc electroplating for corrosion resistance
• Precision-engineered fit with bracket included
• High-pressure tested before leaving the factory
• Part number 3402522 for easy identification

Detailed Description

Sunsong 3402522 is built as a direct-fit power steering pressure line hose assembly for 2007 Ford Expedition and 2007 Lincoln Navigator models. The hose uses CSM material and OE-style end fittings to match the factory routing and connection style, helping maintain proper steering system pressure and fluid flow. The steel tubing is zinc-coated to resist rust and corrosion from humidity, road salt, water, and grime, which is important for vehicles exposed to harsh road conditions.

This assembly is engineered to restore worn wearable components to original condition where applicable, and it is pressure tested for quality before shipment. If you are replacing a leaking or damaged steering pressure hose on a 2007 Ford Expedition or 2007 Lincoln Navigator, Sunsong 3402522 provides a vehicle-specific solution with the correct fitment details for the application.

This part cross-references Gates 365788 and Four Seasons 92385 for the same application.

What It Helps Fix

• Power steering fluid leaks from a cracked or corroded pressure line
• Hard steering caused by pressure loss in the hydraulic system
• Noise from the power steering pump related to restricted fluid flow
• Visible rust, wear, or damage on the original hose assembly
• Steering response issues tied to a failing pressure hose

Installation Notes and Tips

Verify the end fitting sizes and routing before installation: 14 mm male captive O-ring on one end and 16 mm swivel O-ring on the other. Confirm the hose length and bracket location match the original line on the vehicle. Inspect surrounding steering components, seals, and fluid condition during replacement so the new hose can be installed into a clean, leak-free system.

Compatible With 2007 Ford Expedition and 2007 Lincoln Navigator, this pressure line hose assembly is a direct replacement for the factory steering line configuration listed above. Part number 3402522 should be matched to the vehicle’s original hose layout before installation.

Quality Assurance

Sunsong pressure hoses are manufactured to exceed original equipment performance standards, and each hose is subjected to a high-pressure quality assurance test before leaving the factory. That testing supports consistent installation and dependable operation in the steering system.