HomeSteering > Power Steering Hoses, Pumps, and Related ComponentsSunsong 3404727 Power Steering Reservoir Hose - Upper
Part #: 3404727

Sunsong 3404727 Power Steering Reservoir Hose - Upper

Upper
⚙️ 4 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: BMW, 545i and 645Ci
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Reliable Power Steering Reservoir Hose for BMW 545i and 645Ci

The Sunsong 3404727 power steering reservoir hose is designed specifically for BMW 545i and 645Ci models. Engineered to maintain optimal fluid flow, this hose supports the power steering system's performance and reliability.

  • Compatible with BMW 545i and 645Ci power steering systems
  • Durable construction to withstand high pressure and temperature
  • Part number 3404727 ensures precise fitment and easy identification
  • Includes technical tip Tt1000 for installation guidance
  • Manufactured by Sunsong, a trusted name in automotive components

Product Details and Technical Specifications

The Sunsong power steering reservoir hose (part number 3404727) is crafted to meet OEM standards for BMW vehicles, specifically the 545i and 645Ci models. This hose is a critical component in the power steering system, responsible for transporting fluid between the reservoir and pump. The included technical tip Tt1000 provides valuable installation advice to ensure proper routing and secure connections, reducing the risk of leaks or premature wear. Its robust design handles the demands of power steering fluid under varying operating conditions, contributing to consistent steering response and vehicle safety.

Common Applications and Problem Resolution

  • Replaces worn or cracked power steering reservoir hoses on BMW 545i and 645Ci
  • Addresses fluid leaks that cause steering difficulty or noise
  • Prevents power steering pump damage due to inadequate fluid supply
  • Eliminates hose swelling or collapse under pressure
  • Restores proper fluid circulation for smooth steering operation

Installation Notes and Tips

When installing the Sunsong 3404727 power steering reservoir hose, refer to the technical tip Tt1000 for best practices. Ensure all connections are clean and secure to prevent leaks. Inspect surrounding components for wear or damage during installation. Proper routing is essential to avoid kinks or interference with other engine parts. Use appropriate tools to tighten clamps without over-torquing.

Quality Assurance and Warranty Information

Sunsong manufactures this power steering reservoir hose to meet stringent quality standards, ensuring durability and reliable performance. While specific warranty details are not provided, Sunsong products typically undergo rigorous testing to comply with automotive industry requirements. Using the correct part number 3404727 guarantees compatibility with BMW 545i and 645Ci models, supporting long-term vehicle maintenance.

BrandSunsong
Part Number3404727
Tech TipTt1000

This part fits 4 vehicles. Search below:

YearMakeModelPositionNotes
2005BMW545iUpper
2005BMW645CiUpper
2004BMW545iUpper
2004BMW645CiUpper

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

19607324140271163241676356481457PSH0311

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.