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Sunsong 3403612 Power Steering Pressure Line Hose Assembly
| Brand | Sunsong 3403612 |
|---|---|
| End 1 Fitting Size (mm) | 18 |
| End 1 Fitting Type | Male O-Ring |
| End 2 Fitting Size (mm) | 11 |
| End 2 Fitting Type | Captive O-Ring |
| Hose Material 1 | CSM |
| Length (in) | 93.5 |
| Length (mm) | 2376 |
| Tech Tip | TT1000 |
| Fits | Cadillac · 7 vehicles |
Exact-fit replacement. Precision-engineered hose assembly restores original condition.
Zinc-coated steel tubing. Helps resist corrosion from humidity, salt, water, and grime.
Pressure-tested quality. Built to exceed original equipment performance standards.
Cross-references Four Seasons 75041, Four Seasons 92275 and Gates 365666 for the same application. See all 4.
Sunsong 3403612 Power Steering Pressure Hose
The Sunsong 3403612 is a power steering pressure line hose assembly for select Cadillac STS models. It is built to meet demanding steering system requirements with OE-style fitment and corrosion-resistant tubing for long service life.
Key Features
- Fits 2005-2011 Cadillac STS, N/A
- Pressure hose assembly for the power steering system
- Maximum working pressure of 1,500 psi
- Burst pressure rating of 8,700 psi
- Tensile strength rated at 1,600 lb
- High-grade steel tubing with zinc electroplating for rust and corrosion resistance
- Precision-engineered to exact fit for the listed application
- End fittings: 18 mm male O-ring and 11 mm captive O-ring
- CSM hose material
- Length: 93.5 in. (2376 mm)
Detailed Description
This Sunsong power steering pressure line hose assembly, part number 3403612, is engineered for the 2005-2011 Cadillac STS. It is built to restore steering hydraulic flow with the correct hose length, fitting sizes, and end types for the listed application. The hose uses CSM material and steel tubing with zinc coating to help resist rust, road salt, water, humidity, and grime. This part cross-references Gates 365666 and Monroe Shocks & Struts 172286 for the same application.
What It Helps Address
- Power steering fluid leaks from a worn or damaged pressure hose
- Loss of steering assist caused by hose failure or pressure loss
- Corrosion-related deterioration in the steering line
- Noise or erratic steering operation linked to restricted hydraulic flow
- Fitment issues from an incorrect replacement hose
Installation Notes and Tips
Confirm the end fittings before installation: 18 mm male O-ring on one end and 11 mm captive O-ring on the other. Verify hose routing, clearance, and connection points against the original line on your Cadillac STS before tightening the system. Because this assembly is precision engineered for the listed vehicle application, proper alignment helps support a trouble-free installation.
Quality Assurance
Sunsong states that this pressure hose exceeds original equipment performance standards and is pressure tested before leaving the factory. The manufacturer also notes a maximum working pressure of 1,500 psi, burst pressure of 8,700 psi, and tensile strength of 1,600 lb for added durability.
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2011 | Cadillac | STS | Base | N/A | — |
| 2010 | Cadillac | STS | — | N/A | — |
| 2009 | Cadillac | STS | — | N/A | — |
| 2008 | Cadillac | STS | — | N/A | — |
| 2007 | Cadillac | STS | — | N/A | — |
| 2006 | Cadillac | STS | — | N/A | — |
| 2005 | Cadillac | STS | — | N/A | — |
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