Sunsong 3405155 Power Steering Pressure Line Hose Assembly

Mercedes-Benz E320 Power Steering Hose

Restore steering system integrity with this Sunsong power steering pressure line hose assembly for the 2003-2005 Mercedes-Benz E320. Sunsong 3405155 is built for direct-fit replacement and is engineered to handle demanding hydraulic pressure while maintaining reliable fluid transfer.

Key Features

• Fits 2003-2005 Mercedes-Benz E320
• Power steering pressure line hose assembly for hydraulic steering systems
• Maximum working pressure: 1,500 psi
• Burst pressure rating: 8,700 psi
• Tensile strength: 1,600 lb
• High-grade steel tubing with zinc electroplating for corrosion resistance
• Precision-engineered fit with bracket included
• End 1 fitting: flange, size 11
• End 2 fitting: banjo, size 16
• CSM hose material for durability in steering applications

Detailed Description

This Sunsong pressure hose assembly is built for the Mercedes-Benz E320 power steering system and follows the original routing and connection style needed for a proper replacement. Part number 3405155 is manufactured with steel tubing protected by zinc plating to resist rust and corrosion from humidity, road salt, water, and grime. The hose is also quality tested before it leaves the factory to help ensure consistent operation after installation. This part cross-references Rein PSH0303 for the same application.

Common Steering Problems It Can Address

• Power steering fluid leaks from a worn or damaged pressure line
• Loss of steering assist caused by pressure loss in the hydraulic circuit
• Noise from the steering pump related to restricted or failing hose flow
• Corrosion-related hose deterioration on older Mercedes-Benz E320 models
• Fitment issues when replacing a damaged original pressure hose assembly

Installation Notes and Tips

Verify routing, fitting sizes, and bracket locations against the removed hose before installation. Clean all mating surfaces and inspect adjacent steering components, seals, and fluid condition before refilling the system. After installation, bleed the power steering system according to Mercedes-Benz service procedures and check carefully for leaks at both ends.

Quality Assurance

Sunsong manufactures this hose to exceed original equipment performance standards, with pressure testing performed before shipment. The combination of corrosion-resistant tubing, reinforced construction, and exact-fit engineering supports dependable service in the Mercedes-Benz E320 application. Part number 3405155 is built for direct replacement use in 2003-2005 Mercedes-Benz E320 models.