Sunsong 3404028 Power Steering Return Line Hose Assembly - Pipe To Reservoir

Power Steering Return Hose for OE-Style Repair

Sunsong 3404028 is a power steering return line hose assembly built for low-pressure, high-temperature return-side service. It is engineered for direct-fit replacement on select Pontiac, Oldsmobile, Buick, and Chevrolet applications, including Pontiac Montana and Oldsmobile Silhouette models with cooler-equipped routing.

Key Features

• Return hose assembly rated for a maximum working pressure of 250 psi
• Suitable for low-pressure, high-temperature power steering return applications
• High-grade steel tubing with zinc electroplating for corrosion and rust resistance
• Precision-engineered fit for original routing and connection points
• Includes required brackets, grommets, heat shields, bushings, and protective sleeves as needed to restore wearable components to original condition
• Cross-references Monroe Shocks & Struts 5877 for the same application

Detailed Description

This Sunsong power steering return line hose assembly is built to replace worn or damaged return-side steering plumbing with an OE-style fit and finish. The Sunsong 3404028 uses steel tubing with a zinc coating to help resist humidity, road salt, water, and grime, making it a practical choice for vehicles exposed to harsh underhood and road conditions. It is a direct replacement for select Buick Century, Pontiac Grand Prix, Chevrolet Impala, Chevrolet Lumina, and Chevrolet Monte Carlo applications, along with Pontiac Montana and Oldsmobile Silhouette models equipped with a cooler.

For buyers searching for a power steering return line hose assembly for a 1999-2005 Pontiac Montana, 1999-2004 Oldsmobile Silhouette, or 1999-2003 Buick Century, this part number 3404028 provides the correct return-side routing and fitment details for the listed vehicles.

What It Helps Repair

• Power steering fluid seepage at the return line
• Cracked, rusted, or weakened steering hose tubing
• Noise or poor steering feel caused by fluid loss
• Corrosion damage from road salt and moisture exposure
• Fitment issues from bent or deteriorated original return line components

Installation Notes and Tips

Verify the vehicle’s steering line routing, reservoir connection, and cooler configuration before installation. This assembly is listed for Pipe To Reservoir applications, and some fitments include cooler-equipped routing. Inspect adjacent brackets, grommets, heat shields, bushings, and sleeves during service so the replacement follows the original path and clears heat and moving components.

Quality Assurance

Sunsong states that this return hose assembly is manufactured to exceed original equipment performance standards for return-side steering service. The steel construction and zinc-plated finish are used to improve resistance to corrosion and rust in demanding driving environments.