Sunsong 3403628 Power Steering Return Line Hose Assembly - Cooler To Reservoir

Overview of Sunsong Power Steering Return Line Hose Assembly

The Sunsong 3403628 power steering return line hose assembly is designed for precise fitment on select Mercedes-Benz models, including the ML55 AMG, ML430, and ML500. Engineered to meet OEM specifications, this hose assembly ensures reliable fluid return and optimal steering performance.

• Compatible with Mercedes-Benz ML55 AMG, ML430, and ML500 models
• Part number 3403628 for accurate identification
• 11.8 inches (300 mm) length for proper routing
• 3/8 inch inner diameter hose fittings on both ends
• Constructed with durable CSM hose material for heat and wear resistance
• End fittings designed as ID hose type for secure connections

Detailed Product Description and Specifications

This power steering return line hose assembly from Sunsong features a length of 11.8 inches (300 mm), making it suitable for the specified Mercedes-Benz ML series vehicles. Both ends of the hose have 3/8 inch inner diameter fittings, designed as ID hose types to ensure a tight and leak-free connection within the power steering system. The hose material is CSM (chlorosulfonated polyethylene), known for its resistance to heat, oil, and abrasion, which contributes to the longevity and reliability of the component under demanding operating conditions.

Applications and Common Issues Addressed

• Replacement of worn or cracked power steering return hoses
• Elimination of fluid leaks causing low power steering fluid levels
• Restoration of proper hydraulic pressure in the power steering system
• Prevention of steering noise or stiffness due to hose failure
• Maintenance of safe and responsive steering performance on Mercedes-Benz ML55 AMG, ML430, and ML500

Installation Notes and Technical Tips

When installing the Sunsong 3403628 power steering return line hose assembly, ensure the hose routing matches the original configuration to avoid kinks or interference with other engine components. The 3/8 inch ID hose fittings require secure clamping to prevent leaks. Refer to technical tip TT1000 for additional guidance on installation procedures and torque specifications. It is recommended to inspect adjacent power steering components during replacement to maintain system integrity.

Quality Assurance and Warranty Information

Sunsong manufactures this power steering return line hose assembly to meet or exceed OEM standards for durability and performance. The use of CSM hose material and precision fittings supports long service life under typical operating conditions. While specific warranty details may vary, Sunsong products generally come with a limited warranty against defects in materials and workmanship, providing confidence in the replacement part's reliability.