Sunsong 3403000 Power Steering Return Line Hose Assembly

Sunsong 3403000 Return Hose for Toyota Tundra

The Sunsong 3403000 power steering return line hose assembly is built for low-pressure, high-temperature return-side service and is engineered to match original equipment fit on select Toyota Tundra applications. It is a direct-fit replacement for 2000-2006 Toyota Tundra models without the tow package, with tubing and hose construction selected for durability in demanding steering systems.

Key Features

• Fits 2000-2006 Toyota Tundra, N/A, Exc. Tow Package
• Return line hose assembly for power steering systems
• Max working pressure rated at 250 psi
• CSM hose material for return-side fluid handling
• High-grade steel tubing with zinc electroplating for corrosion resistance
• Precision-engineered to exact fit for OE-style routing and alignment
• Includes required brackets, grommets, heat shields, bushings, and protective sleeves as needed to restore wearable components to original condition
• Part number: 3403000

Detailed Description

This Sunsong power steering return line hose assembly is made for the return side of the steering system, where fluid moves under lower pressure but can still see elevated temperatures. The hose assembly uses CSM hose material and steel tubing with zinc coating to help resist rust and corrosion from humidity, road salt, water, and grime. For buyers searching for a Toyota Tundra power steering return hose, Toyota Tundra steering hose replacement, or Sunsong 3403000 return line hose assembly, this part is built to match the original routing and connection points on the listed application. This part cross-references Four Seasons 75145 for the same application.

Use this part number 3403000 when replacing a worn, leaking, or corroded return hose on a 2000-2006 Toyota Tundra without the tow package. The fitment is specific to the listed vehicle configuration, so confirming the tow package note is important before ordering.

What It Helps Fix

• Power steering fluid seepage from a deteriorated return hose
• Corrosion on steel hose sections and fittings
• Noise or inconsistent steering feel caused by fluid loss
• Cracked, hardened, or heat-aged hose material
• Routing issues from a bent or damaged original line

Installation Notes and Tips

Verify the vehicle is a 2000-2006 Toyota Tundra without the tow package before installation. Compare the end fittings, hose length, and routing to the original line to confirm match-up with the 3/8-inch ID hose end and 17 mm male O-ring connection. Inspect adjacent brackets, bushings, and heat protection points during replacement so the new hose follows the factory path and clears hot or moving components.

Quality Assurance

Sunsong manufactures this return hose assembly to exceed original equipment performance standards for return-side steering service. The steel tubing is zinc electroplated for added resistance to corrosion and rust, supporting long-term durability in harsh underbody conditions.