OE Quality
60-Day Returns

Sunsong 3402300 Power Steering Return Line Hose Assembly - Gear To Cooler
Overview of Sunsong Power Steering Return Line Hose Assembly
The Sunsong 3402300 power steering return line hose assembly is designed specifically for Ford Expedition models. This durable hose assembly ensures reliable fluid return in the power steering system, maintaining smooth steering performance.
- Compatible with Ford Expedition power steering systems
- Length: 37.3 inches (947 mm) for precise fitment
- End 1 fitting: 3/8 inch ID hose connection
- End 2 fitting: 9 mm male captive o-ring
- Constructed with CSM hose material for durability
- No bracket included, designed for direct replacement
- Part number 3402300 for accurate identification
Detailed Product Description
The Sunsong 3402300 power steering return line hose assembly is engineered to meet the specifications of Ford Expedition vehicles. Measuring 37.3 inches (947 mm) in length, this hose features a 3/8 inch internal diameter hose fitting on one end and a 9 mm male captive o-ring fitting on the other. The hose is made from chlorosulfonated polyethylene (CSM), a material known for its resistance to heat, oil, and abrasion, ensuring long-lasting performance under demanding conditions. This assembly does not include a bracket or a power steering switch port, simplifying installation and compatibility with the original equipment setup.
Common Applications and Problem Resolution
- Replacement for leaking or cracked power steering return hoses
- Restores proper fluid flow in the power steering system
- Eliminates steering noise caused by hose failure
- Prevents power steering fluid loss and potential system damage
- Addresses fitment issues with worn or damaged original hoses
Installation Notes and Tips
- Ensure the vehicle is safely lifted and supported before installation
- Drain power steering fluid to avoid spills during hose replacement
- Verify hose length and fitting types match the original equipment
- Use appropriate tools to avoid damaging fittings during removal and installation
- Check for leaks after installation and refill power steering fluid as needed
Quality Assurance and Warranty Information
Sunsong power steering hoses are manufactured to meet or exceed OEM standards for durability and performance. The 3402300 hose assembly undergoes rigorous quality control to ensure proper fit and function in Ford Expedition vehicles. While specific warranty details may vary, Sunsong products typically include a limited warranty against defects in materials and workmanship. Refer to the product documentation for exact warranty terms.
| Brand | Sunsong |
| Part Number | 3402300 |
| End 1 Fitting Size (in) | 3/8 |
| End 1 Fitting Type | ID Hose |
| End 2 Fitting Size (mm) | 9 |
| End 2 Fitting Type | Male Captive O-Ring |
| Hose Material 1 | CSM |
| Length (in) | 37.3 |
| Length (mm) | 947 |
| Tech Tip | TT1000|TT1001 |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2006 | Ford | Expedition | Gear To Cooler | |
| 2005 | Ford | Expedition | Gear To Cooler | |
| 2004 | Ford | Expedition | Gear To Cooler | |
| 2003 | Ford | Expedition | Gear To Cooler | |
| 2002 | Ford | Expedition | Gear To Cooler | From 3/18 |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.