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Sunsong 3402603 Power Steering Pressure Line Hose Assembly - Pump To Hydroboost (Hydroboost End)
Reliable Power Steering Pressure Line Hose Assembly
The Sunsong 3402603 power steering pressure line hose assembly is designed for precise fitment on Cadillac DeVille, DTS, and Seville models. Engineered to maintain optimal hydraulic pressure, this hose assembly ensures consistent steering performance and durability.
- Compatible with Cadillac DeVille, DTS, and Seville vehicles
- 33.5 inches (850 mm) length for exact fit
- End 1: 16 mm female o-ring fitting
- End 2: 18 mm male o-ring fitting
- Constructed with CSM hose material for heat and abrasion resistance
- No bracket included, designed for direct replacement
- Part number 3402603 for accurate identification
Product Details and Specifications
This power steering pressure line hose assembly from Sunsong features a 33.5-inch length, suitable for specific Cadillac models including DeVille, DTS, and Seville. The hose is made from chlorosulfonated polyethylene (CSM), a material known for its resistance to heat, oil, and abrasion, which is critical for maintaining the integrity of the power steering system. The assembly includes a 16 mm female o-ring fitting on one end and an 18 mm male o-ring fitting on the other, ensuring a secure and leak-free connection within the hydraulic system. This part does not include a bracket or power steering switch port, focusing solely on the pressure line function.
Applications and Common Issues Addressed
- Replacement for worn or leaking power steering pressure hoses
- Restores proper hydraulic pressure for smooth steering response
- Prevents fluid leaks that can cause steering system failure
- Eliminates hose swelling or cracking due to heat exposure
- Addresses fitment issues in Cadillac DeVille, DTS, and Seville power steering systems
Installation Notes and Tips
When installing the Sunsong 3402603 power steering pressure line hose assembly, ensure the fittings match the vehicle’s specifications: 16 mm female o-ring on one end and 18 mm male o-ring on the other. Verify hose routing to avoid contact with moving parts or excessive heat sources. Use proper torque specifications on fittings to prevent leaks. This hose assembly does not include a bracket, so reuse the existing mounting hardware if applicable. Follow vehicle manufacturer guidelines for power steering system bleeding after installation.
Quality Assurance and Warranty
Sunsong power steering components are manufactured to meet or exceed OEM standards for durability and performance. The 3402603 hose assembly undergoes rigorous testing to ensure resistance to pressure, heat, and abrasion. While specific warranty details are not provided, Sunsong products typically come with a limited warranty against defects in material and workmanship. Consult the product documentation or supplier for exact warranty terms.
| Brand | Sunsong |
| Part Number | 3402603 |
| Bracket (Y/N) | N |
| End 1 Fitting Size (mm) | 16 |
| End 1 Fitting Type | Female o-ring |
| End 2 Fitting Size (mm) | 18 |
| End 2 Fitting Type | Male o-ring |
| Hose Material 1 | Csm |
| Length (in) | 33.5 |
| Length (mm) | 850 |
| PS Switch Port (Y/N) | N |
| Tech Tip | Tt1000 |
This part fits 17 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2011 | Cadillac | DTS | Pump To Hydroboost (Hydroboost End) | ||
| 2010 | Cadillac | DTS | Pump To Hydroboost (Hydroboost End) | ||
| 2009 | Cadillac | DTS | Pump To Hydroboost (Hydroboost End) | ||
| 2008 | Cadillac | DTS | Pump To Hydroboost (Hydroboost End) | ||
| 2007 | Cadillac | DTS | Pump To Hydroboost (Hydroboost End) | ||
| 2006 | Cadillac | DTS | Base | Pump To Hydroboost (Hydroboost End) | |
| 2005 | Cadillac | DeVille | Pump To Hydroboost (Hydroboost End) | ||
| 2004 | Cadillac | DeVille | Pump To Hydroboost (Hydroboost End) | ||
| 2004 | Cadillac | Seville | SLS | Pump To Hydroboost (Hydroboost End) | |
| 2003 | Cadillac | DeVille | Pump To Hydroboost (Hydroboost End) | ||
| 2003 | Cadillac | Seville | Pump To Hydroboost (Hydroboost End) | ||
| 2002 | Cadillac | DeVille | Pump To Hydroboost (Hydroboost End) | ||
| 2002 | Cadillac | Seville | Pump To Hydroboost (Hydroboost End) | ||
| 2001 | Cadillac | DeVille | Pump To Hydroboost (Hydroboost End) | ||
| 2001 | Cadillac | Seville | Pump To Hydroboost (Hydroboost End) | ||
| 2000 | Cadillac | DeVille | Pump To Hydroboost (Hydroboost End) | ||
| 2000 | Cadillac | Seville | Pump To Hydroboost (Hydroboost End) |
* 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.