OE Quality
60-Day Returns

Sunsong 3404899 Power Steering Return Line Hose Assembly - Cooler To Reservoir
Power Steering Return Hose for Ford E-Series
The Sunsong 3404899 power steering return line hose assembly is built for low-pressure, high-temperature return-side service in Ford E-Series applications. It is engineered for a precise fit at the cooler-to-reservoir location and is a direct replacement choice for restoring steering fluid routing on compatible Ford vans and cutaways.
Key Features
- Fits the cooler to reservoir return line position on select Ford E-150, E-250, E-350 Super Duty, Econoline Van, and Econoline Wagon models
- Designed for low-pressure power steering return service with a maximum working pressure of 250 psi
- CSM hose material supports heat resistance in demanding steering system environments
- Precision-engineered to match original routing and fitment requirements
- Built with high-grade steel tubing and zinc electroplating for corrosion and rust resistance
- Part number 3404899 for easy identification and ordering
Detailed Description
Sunsong 3404899 is a power steering return line hose assembly made for select Ford E-Series vehicles, including Ford E-150, E-250, E-350 Super Duty, Econoline Van, and Econoline Wagon applications. This return hose is intended for the cooler-to-reservoir path and is shaped to match the original routing for a clean, direct replacement. The assembly uses CSM hose material and steel tubing with zinc coating to help resist moisture, road salt, grime, and other underbody exposure. This part cross-references Dorman - HELP 81166 for the same application.
What It Helps Fix
- Power steering fluid seepage or leakage in the return line
- Cracked, hardened, or heat-damaged hose material
- Corrosion on the original steel line section
- Poor steering fluid return flow caused by a deteriorated hose assembly
- Fitment issues from an incorrect replacement hose on Ford E-350 Super Duty or Econoline models
Installation Notes and Tips
- Compatible With 2013-2019 Ford E-350 Super Duty, Cooler To Reservoir; not compatible with vehicles equipped with a Hydroboost system.
- Compatible With 2013-2014 Ford E-150, Cooler To Reservoir.
- Compatible With 2013-2014 Ford E-250, Cooler To Reservoir; not compatible with vehicles equipped with a Hydroboost system.
- Compatible With 2011-2014 Ford Econoline Van, Cooler To Reservoir; not compatible with vehicles equipped with a Hydroboost system.
- Compatible With 2011-2014 Ford Econoline Wagon, Cooler To Reservoir; not compatible with vehicles equipped with a Hydroboost system.
- Verify hose routing, connection style, and system configuration before installation.
Quality Assurance
Sunsong manufactures this return hose assembly to exceed original equipment performance standards for return-side steering service. The design emphasizes exact fit, corrosion resistance, and durable construction for Ford E-Series steering system repair.
| Brand | Sunsong |
|---|---|
| Part Number | 3404899 |
| Bracket (Y/N) | N |
| End 1 Fitting Type | Id hose |
| Hose Material 1 | Csm |
| Length (in) | 16.9 |
| Length (mm) | 430 |
| PS Switch Port (Y/N) | N |
This part fits 19 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2019 | Ford | E-350 Super Duty | Cooler To Reservoir | Not compatible with vehicles equipped with a Hydroboost system. |
| 2018 | Ford | E-350 Super Duty | Cooler To Reservoir | Not compatible with vehicles equipped with a Hydroboost system. |
| 2017 | Ford | E-350 Super Duty | Cooler To Reservoir | Not compatible with vehicles equipped with a Hydroboost system. |
| 2016 | Ford | E-350 Super Duty | Cooler To Reservoir | Not compatible with vehicles equipped with a Hydroboost system. |
| 2015 | Ford | E-350 Super Duty | Cooler To Reservoir | Not compatible with vehicles equipped with a Hydroboost system. |
| 2014 | Ford | E-150 | Cooler To Reservoir | |
| 2014 | Ford | E-250 | Cooler To Reservoir | Not compatible with vehicles equipped with a Hydroboost system. |
| 2014 | Ford | E-350 Super Duty | Cooler To Reservoir | Not compatible with vehicles equipped with a Hydroboost system. |
| 2014 | Ford | Econoline Van | Cooler To Reservoir | Not compatible with vehicles equipped with a Hydroboost system. |
| 2014 | Ford | Econoline Wagon | Cooler To Reservoir | Not compatible with vehicles equipped with a Hydroboost system. |
| 2013 | Ford | E-150 | Cooler To Reservoir | |
| 2013 | Ford | E-250 | Cooler To Reservoir | Not compatible with vehicles equipped with a Hydroboost system. |
| 2013 | Ford | E-350 Super Duty | Cooler To Reservoir | Not compatible with vehicles equipped with a Hydroboost system. |
| 2013 | Ford | Econoline Van | Cooler To Reservoir | Not compatible with vehicles equipped with a Hydroboost system. |
| 2013 | Ford | Econoline Wagon | Cooler To Reservoir | Not compatible with vehicles equipped with a Hydroboost system. |
| 2012 | Ford | Econoline Van | Cooler To Reservoir | Not compatible with vehicles equipped with a Hydroboost system. |
| 2012 | Ford | Econoline Wagon | Cooler To Reservoir | Not compatible with vehicles equipped with a Hydroboost system. |
| 2011 | Ford | Econoline Van | Cooler To Reservoir | Not compatible with vehicles equipped with a Hydroboost system. |
| 2011 | Ford | Econoline Wagon | Cooler To Reservoir | Not compatible with vehicles equipped with a Hydroboost system. |
* 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.