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Sunsong 3401309 Power Steering Pressure Line Hose Assembly - Pump To Hydroboost
| Brand | Sunsong 3401309 |
|---|---|
| Position | Pump To Hydroboost |
| End 1 Fitting Size (mm) | 16 |
| End 1 Fitting Type | Male O-Ring |
| End 2 Fitting Size (mm) | 18 |
| End 2 Fitting Type | Male O-Ring |
| Hose Material 1 | CSM |
| Length (in) | 29.8 |
| Length (mm) | 758 |
| Tech Tip | TT1000|TT1001 |
| Fits | Chevrolet and GMC · 4 vehicles |
Exact-fit assembly. Precision engineered for a direct replacement and trouble-free installation.
High-pressure rated. Built to handle 1,500 psi working pressure and 8,700 psi burst pressure.
Corrosion-resistant steel. Zinc-plated tubing helps resist rust from humidity, road salt, water, and grime.
Cross-references Edelmann 80275, Gates 1170 and Gates 353970 for the same application. See all 6.
Power Steering Pressure Line for Astro and Safari
Sunsong 3401309 is a power steering pressure line hose assembly for select 1997-1998 Chevrolet Astro and GMC Safari models with pump to hydroboost routing. It is built to meet demanding steering-system pressure requirements while maintaining a direct-fit layout for service replacement.
Key Features
- Fits 1997-1998 Chevrolet Astro, pump to hydroboost
- Fits 1997-1998 GMC Safari, pump to hydroboost
- Male O-ring fittings: 16 mm end 1 and 18 mm end 2
- 29.8 in. overall length for the specified application
- CSM hose material for pressure-line durability
- High-grade steel tubing with zinc electroplating for corrosion resistance
- Pressure tested before leaving the factory
- Part number: 3401309
Detailed Description
This Sunsong pressure hose assembly is engineered for the steering system on the Chevrolet Astro and GMC Safari, with fitment matched to pump to hydroboost configurations. Sunsong 3401309 is manufactured to exceed original equipment performance standards, with a 1,500 psi maximum working pressure, 8,700 psi burst pressure rating, and 1,600 lb tensile strength for demanding hydraulic service.
The hose uses high-grade steel tubing with a zinc coating to help resist rust and corrosion from humidity, road salt, water, and grime. The assembly is precision built to the listed application and is designed to restore the original routing and connection style for the vehicle. This part cross-references Gates 1170 for the same application.
Common Problems This Part Can Help Address
- Power steering fluid leaks at the pressure line
- Loss of steering assist from a damaged hose assembly
- Corrosion-related hose or tube deterioration
- Improper fitment from a worn or incorrect replacement line
- Noise or steering performance issues caused by pressure loss
Installation Notes and Tips
Confirm the vehicle is a 1997-1998 Chevrolet Astro or 1997-1998 GMC Safari with pump to hydroboost routing before ordering. Match the 16 mm and 18 mm male O-ring ends to the original connections, and inspect adjacent steering components, seals, and mounting points during replacement. The hose length and routing should align with the factory path for proper installation.
Quality Assurance
Each Sunsong hose is high-pressure tested before it leaves the factory to support trouble-free installation and operation. The assembly is built with corrosion-resistant materials and engineered to restore the original condition of wearable steering-system components in the specified application.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1998 | Chevrolet | Astro | Pump To Hydroboost | — |
| 1998 | GMC | Safari | Pump To Hydroboost | — |
| 1997 | Chevrolet | Astro | Pump To Hydroboost | — |
| 1997 | GMC | Safari | Pump To Hydroboost | — |
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