Sunsong 3401870 Power Steering Return Line Hose Assembly

Overview of Sunsong Power Steering Return Line Hose Assembly

The Sunsong 3401870 power steering return line hose assembly is designed specifically for Buick Park Avenue and Riviera models. This durable hose assembly ensures reliable fluid return in the power steering system, maintaining optimal steering performance.

• Compatible with Buick Park Avenue and Riviera
• Length: 141.4 inches (3591 mm) for precise fitment
• End 1 fitting: 3/8 inch ID hose
• End 2 fitting: 16 mm male o-ring
• Constructed with CSM hose material for durability
• No bracket included
• No power steering switch port

Detailed Product Description

The Sunsong 3401870 power steering return line hose assembly is engineered to meet the specifications required by Buick Park Avenue and Riviera vehicles. Measuring 141.4 inches (3591 mm) in length, this hose assembly features a 3/8 inch ID hose fitting on one end and a 16 mm male o-ring fitting on the other, ensuring a secure and leak-free connection within the power steering system. The hose is made from chlorosulfonated polyethylene (CSM), a material known for its resistance to heat, oil, and abrasion, which contributes to the longevity and reliability of the component. This assembly does not include a bracket or a power steering switch port, aligning with the original equipment design for these Buick models.

Common Applications and Issues Addressed

• Replacement for worn or leaking power steering return line hoses
• Eliminates power steering fluid leaks that cause steering difficulty
• Prevents contamination and damage to the power steering pump
• Restores proper fluid flow for smooth steering operation
• Addresses hose degradation due to heat and pressure over time

Installation Notes and Tips

• Verify compatibility with Buick Park Avenue or Riviera before installation
• Ensure all fittings are clean and free of debris prior to assembly
• Use appropriate tools to avoid damaging fittings during installation
• Check for leaks after installation by running the engine and turning the steering wheel
• Refer to technical tips TT1000 and TT1001 for additional guidance

Quality Assurance and Warranty

Sunsong power steering components are manufactured to meet or exceed OEM standards. The 3401870 hose assembly undergoes rigorous quality control to ensure durability and performance. While specific warranty details may vary, Sunsong products typically include a limited warranty against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.