Sunsong 3403684 Power Steering Return Line Hose Assembly - Pipe To Pipe

Name: Sunsong 3403684 Power Steering Return Line Hose Assembly - Pipe To Pipe
Brand: Sunsong
SKU: FTTD-3403684
Price: 16.20 USD
Availability: InStock

Pipe To Pipe

⚙️ 30 vehicles fit this part

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Select your vehicle to confirm fitment

Verify this part fits before purchasing — free returns if it doesn't

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✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.

✅OE Direct Replacement — Bolt-on fit, no modifications needed

🚗Fitment: Nissan and INFINITI, Armada, Titan, QX56, and Pathfinder Armada

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Not what you need? Click here for all Power Steering Return Line Hose Assembly options

Overview of Sunsong Power Steering Return Line Hose Assembly

The Sunsong 3403684 power steering return line hose assembly is designed for reliable fluid return in power steering systems. Engineered to fit select INFINITI and Nissan models, this hose assembly ensures proper steering performance and fluid flow.

Compatible with INFINITI Armada, QX56, and Nissan Pathfinder Armada, TITAN
End 1 and End 2 fitting size: 3/8 inch ID hose
Durable CSM hose material for resistance to heat and wear
Overall length of 15.4 inches (390 mm) for precise fitment
Part number 3403684 for accurate identification and replacement

Detailed Product Description

The Sunsong 3403684 power steering return line hose assembly is constructed with CSM (chlorosulfonated polyethylene) material, known for its durability and resistance to heat, oil, and abrasion. Both ends of the hose feature 3/8 inch inner diameter hose fittings, ensuring a secure and leak-free connection within the power steering system. Measuring 15.4 inches (390 mm) in length, this hose assembly is designed to meet the exact specifications required for proper fluid return in the power steering circuits of INFINITI Armada, QX56, and Nissan Pathfinder Armada and TITAN models. The part number 3403684 helps technicians and vehicle owners confirm compatibility and streamline maintenance or repair tasks.

Common Applications and Issues Addressed

Replacement of worn or cracked power steering return hoses
Resolving power steering fluid leaks that cause steering difficulty
Preventing loss of hydraulic pressure in the steering system
Eliminating noise or whining caused by air entering the power steering circuit
Maintaining proper fluid flow to extend power steering pump life

Installation Notes and Tips

When installing the Sunsong 3403684 power steering return line hose assembly, ensure the vehicle is safely lifted and the steering system is depressurized. Verify that both 3/8 inch ID hose fittings are securely connected to prevent leaks. The 15.4 inch length should match the original hose to avoid tension or kinks. It is recommended to inspect related components such as clamps and seals during installation. Follow manufacturer torque specifications and bleed the power steering system after installation to remove air pockets.

Quality Assurance and Warranty

Sunsong power steering hoses are manufactured to meet or exceed OEM standards for durability and performance. The CSM hose material provides resistance to heat and chemical exposure common in automotive environments. Part number 3403684 undergoes quality control testing to ensure fitment and function for INFINITI Armada, QX56, and Nissan Pathfinder Armada and TITAN models. Warranty coverage details should be confirmed with the product documentation or supplier.

Brand	Sunsong
Part Number	3403684
End 1 Fitting Size (in)	3/8
End 1 Fitting Type	ID Hose
End 2 Fitting Size (in)	3/8
End 2 Fitting Type	ID Hose
Hose Material 1	CSM
Length (in)	15.4
Length (mm)	390
Tech Tip	TT1000

This part fits 30 vehicles. Search below:

Year	Make	Model	Position	Notes
2015	Nissan	Armada	Pipe To Pipe	Pipe 2 to Pipe 3
2015	Nissan	TITAN	Pipe To Pipe	Pipe 2 to Pipe 3
2014	Nissan	Armada	Pipe To Pipe	Pipe 2 to Pipe 3
2014	Nissan	TITAN	Pipe To Pipe	Pipe 2 to Pipe 3
2013	Nissan	Armada	Pipe To Pipe	Pipe 2 to Pipe 3
2013	Nissan	TITAN	Pipe To Pipe	Pipe 2 to Pipe 3
2012	Nissan	Armada	Pipe To Pipe	Pipe 2 to Pipe 3
2012	Nissan	TITAN	Pipe To Pipe	Pipe 2 to Pipe 3
2011	Nissan	Armada	Pipe To Pipe	Pipe 2 to Pipe 3
2011	Nissan	TITAN	Pipe To Pipe	Pipe 2 to Pipe 3
2010	Nissan	Armada	Pipe To Pipe	Pipe 2 to Pipe 3
2010	Nissan	TITAN	Pipe To Pipe	Pipe 2 to Pipe 3
2009	INFINITI	QX56	Pipe To Pipe	Pipe 2 to Pipe 3
2009	Nissan	Armada	Pipe To Pipe	Pipe 2 to Pipe 3
2009	Nissan	TITAN	Pipe To Pipe	Pipe 2 to Pipe 3
2008	INFINITI	QX56	Pipe To Pipe	Pipe 2 to Pipe 3
2008	Nissan	Armada	Pipe To Pipe	Pipe 2 to Pipe 3
2008	Nissan	TITAN	Pipe To Pipe	Pipe 2 to Pipe 3
2007	INFINITI	QX56	Pipe To Pipe	Pipe 2 to Pipe 3
2007	Nissan	Armada	Pipe To Pipe	Pipe 2 to Pipe 3
2007	Nissan	TITAN	Pipe To Pipe	Pipe 2 to Pipe 3
2006	INFINITI	QX56	Pipe To Pipe	Pipe 2 to Pipe 3
2006	Nissan	Armada	Pipe To Pipe	Pipe 2 to Pipe 3
2006	Nissan	TITAN	Pipe To Pipe	Pipe 2 to Pipe 3
2005	INFINITI	QX56	Pipe To Pipe	Pipe 2 to Pipe 3
2005	Nissan	Armada	Pipe To Pipe	Pipe 2 to Pipe 3
2005	Nissan	TITAN	Pipe To Pipe	Pipe 2 to Pipe 3
2004	INFINITI	QX56	Pipe To Pipe	Pipe 2 to Pipe 3
2004	Nissan	Pathfinder Armada	Pipe To Pipe	Pipe 2 to Pipe 3
2004	Nissan	TITAN	Pipe To Pipe	Pipe 2 to Pipe 3

* 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:

3403684497257S00381466PSH0496

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