HomeSteering > Power Steering Hoses, Pumps, and Related ComponentsSunsong 3403627 Power Steering Return Line Hose Assembly - Cooler To Reservoir
Part #: 3403627

Sunsong 3403627 Power Steering Return Line Hose Assembly - Cooler To Reservoir

Cooler To Reservoir
9 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Mercedes-Benz, ML350 and ML320
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Power Steering Return Line Hose Assembly for Mercedes-Benz ML320 and ML350

The Sunsong 3403627 power steering return line hose assembly is designed specifically for Mercedes-Benz ML320 and ML350 models. Engineered to meet OEM specifications, this hose assembly ensures reliable fluid return and optimal steering performance.

Key Features of Sunsong 3403627 Power Steering Hose

  • Compatible with Mercedes-Benz ML320 and ML350 models
  • End 1 and End 2 fitting size: 3/8 inch with ID hose fittings for secure connections
  • Constructed from durable CSM (chlorosulfonated polyethylene) hose material for resistance to heat and wear
  • Overall hose length of 13.4 inches (340 mm) for precise fitment
  • Includes technical tip TT1000 for installation guidance

Detailed Product Description

The Sunsong 3403627 power steering return line hose assembly is manufactured with high-quality CSM hose material, known for its excellent resistance to heat, ozone, and hydraulic fluids. Both ends feature 3/8 inch ID hose fittings, ensuring a tight and leak-free connection within the power steering system. With a length of 13.4 inches (340 mm), this hose assembly is tailored to fit the power steering return line routing on Mercedes-Benz ML320 and ML350 vehicles. The part number 3403627 corresponds to a direct replacement component that maintains the integrity and performance of the original equipment.

Common Applications and Issues Addressed

  • Replacement of worn or cracked power steering return line hoses
  • Elimination of fluid leaks causing low power steering fluid levels
  • Restoration of proper hydraulic pressure for smooth steering operation
  • Prevention of hose swelling or failure due to heat and chemical exposure
  • Resolution of steering noise or stiffness related to return line issues

Installation Notes and Tips

When installing the Sunsong 3403627 hose assembly, ensure the vehicle is safely lifted and the power steering system is depressurized. Use the technical tip TT1000 as a reference for proper hose routing and fitting installation. Verify that both 3/8 inch ID hose fittings are securely seated to prevent leaks. After installation, check the power steering fluid level and bleed the system if necessary to remove air pockets.

Quality Assurance and Warranty

Sunsong power steering components are manufactured to meet or exceed OEM standards for durability and performance. The 3403627 hose assembly undergoes rigorous quality control to ensure reliability in demanding automotive environments. Warranty coverage details should be confirmed with the product documentation or supplier.

BrandSunsong
Part Number3403627
End 1 Fitting Size (in)3/8
End 1 Fitting TypeID Hose
End 2 Fitting Size (in)3/8
End 2 Fitting TypeID Hose
Hose Material 1CSM
Length (in)13.4
Length (mm)340
Tech TipTT1000

This part fits 9 vehicles. Search below:

YearMakeModelPositionNotes
2005Mercedes-BenzML350Cooler To Reservoir
2004Mercedes-BenzML350Cooler To Reservoir
2003Mercedes-BenzML320Cooler To Reservoir
2003Mercedes-BenzML350Cooler To Reservoir
2002Mercedes-BenzML320Cooler To Reservoir
2001Mercedes-BenzML320Cooler To Reservoir
2000Mercedes-BenzML320Cooler To Reservoir
1999Mercedes-BenzML320Cooler To Reservoir
1998Mercedes-BenzML320Cooler To Reservoir

* 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:

16346607813403627352696567481076PSH0112R

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