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Sunsong 3404021 Power Steering Return Line Hose Assembly - From Gear
| Brand | Sunsong 3404021 |
|---|---|
| Position | From Gear |
| Material | Rubber |
| Length | 38.15 |
| Length | 969.00 |
| Bracket Included | No |
| End 1 Fitting Size | 11 |
| End 1 Fitting Type | Flange |
| End 2 Fitting Size | 13.6 |
| End 2 Fitting Type | Beaded tube |
| Switch Port Included | No |
| Fits | Ford and Lincoln · 6 vehicles |
OE-level performance. Return hose assembly exceeds original equipment performance standards.
Zinc-coated tubing. Helps resist corrosion and rust from humidity, road salt, water, and grime.
Precision engineered. Built for exact fit and includes required protective components as needed.
Cross-references Four Seasons 75191, Gates 366637 and Nissens 93154 for the same application. See all 3.
Power Steering Return Hose for Ford and Lincoln
The Sunsong 3404021 power steering return line hose assembly is built for low-pressure, high-temperature return-side service. It is a direct-fit replacement for select 2009 Ford Expedition, F-150, F-250, F-350, and Lincoln Navigator applications from the gear, with rubber hose construction and corrosion-resistant steel tubing where used in the assembly.
Key Features
- Power steering return line hose assembly for return-side fluid routing
- Rubber hose construction for flexible routing and fluid transfer
- Rated for a maximum working pressure of 250 psi
- Built for low-pressure, high-temperature operation
- High-grade steel tubing with zinc electroplating for rust and corrosion resistance
- Precision-engineered fit for the listed 2009 Ford and Lincoln applications
- Cross-references Four Seasons 75191 and Gates 366637 for the same application
Detailed Description
Sunsong 3404021 is a power steering return line hose assembly engineered to restore proper fluid return from the steering gear on select 2009 Ford Expedition, F-150, F-250, F-350, and Lincoln Navigator models. The assembly is designed around exact-fit requirements and uses durable materials selected for return-line duty, including rubber hose and zinc-coated steel tubing for added resistance to humidity, road salt, water, and grime. This part number, 3404021, is a practical OE-style replacement when the original return hose shows age, seepage, or corrosion.
What This Part Helps Address
- Power steering fluid seepage at the return line
- Cracked, hardened, or deteriorated hose material
- Corroded tubing on the steering return circuit
- Restricted or unreliable fluid return from the gear
- Noise or steering feel changes related to a worn return hose assembly
Installation Notes and Tips
Install this hose on the return side from the steering gear for the listed applications only. Verify end connections before installation: End 1 uses an 11 mm flange fitting and End 2 uses a 13.6 mm beaded tube connection. This assembly does not include a bracket or switch port. Confirm routing, clearance, and connection style against the original part before final tightening. Part number 3404021 is listed for 2009 Ford Expedition, 2009 Ford F-150, 2009 Ford F-250, 2009 Ford F-350, and 2009 Lincoln Navigator, all from gear.
Quality Assurance
Sunsong states that its return hoses exceed original equipment performance standards and are built with corrosion-resistant materials for demanding underhood conditions. The assembly is precision engineered for fit and includes the required wear components where applicable to help restore the original hose function.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2009 | Ford | Expedition | From Gear | — |
| 2009 | Ford | F-150 | From Gear | — |
| 2009 | Ford | F-250 | From Gear | — |
| 2009 | Ford | F-350 | From Gear | — |
| 2009 | Ford | Lobo | From Gear | — |
| 2009 | Lincoln | Navigator | From Gear | — |
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