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Sunsong 3402373 Power Steering Return Line Hose Assembly - Cooler To Reservoir
Overview of Sunsong Power Steering Return Line Hose Assembly
The Sunsong 3402373 power steering return line hose assembly is designed for reliable fluid return in power steering systems. Compatible with select Buick, Oldsmobile, and Pontiac models, this hose assembly ensures proper steering performance and fluid flow.
- Compatible with Buick Aztek, Oldsmobile Silhouette, Pontiac Montana, Rendezvous
- Length: 29.6 inches (751 mm) for precise fitment
- 3/8 inch inner diameter hose fittings on both ends
- Constructed with durable CSM hose material for resistance to heat and wear
- No bracket included, designed for direct hose-to-hose connection
- Part number 3402373 for accurate identification and replacement
Detailed Product Description
This Sunsong power steering return line hose assembly (part number 3402373) features 3/8 inch inner diameter hose fittings on both ends, allowing for secure and leak-resistant connections within the power steering system. The hose is made from CSM (chlorosulfonated polyethylene) material, known for its durability and resistance to heat, ozone, and hydraulic fluids. Measuring 29.6 inches (751 mm) in length, this hose assembly is engineered to match the original equipment specifications for select Buick, Oldsmobile, and Pontiac vehicles, including the Aztek, Montana, Rendezvous, and Silhouette models.
Common Applications and Issues Addressed
- Replacement of worn or cracked power steering return hoses
- Elimination of fluid leaks causing low power steering fluid levels
- Restoration of proper hydraulic pressure and steering response
- Prevention of hose failure due to heat and chemical degradation
- Resolution of steering noise or stiffness related to hose damage
Installation Notes and Tips
This power steering return line hose assembly does not include a mounting bracket and is designed for direct hose-to-hose installation. Ensure the 3/8 inch inner diameter fittings match the vehicle’s existing connections. Before installation, inspect the power steering system for any additional wear or damage. Follow manufacturer torque specifications and use proper tools to avoid damaging fittings or hose ends. The included tech tip (Tt1000) suggests verifying hose routing to prevent kinks or interference with other components.
Quality Assurance and Warranty
Sunsong power steering hoses are manufactured to meet or exceed OEM standards for durability and performance. The 3402373 hose assembly undergoes rigorous quality control to ensure resistance to heat, pressure, and hydraulic fluid exposure. While specific warranty details may vary, Sunsong products typically include a limited warranty against defects in materials and workmanship. Consult product documentation or supplier for exact warranty terms.
| Brand | Sunsong |
| Part Number | 3402373 |
| End 1 Fitting Size (in) | 3/8 |
| End 1 Fitting Type | ID Hose |
| End 2 Fitting Size (in) | 3/8 |
| End 2 Fitting Type | ID Hose |
| Hose Material 1 | CSM |
| Length (in) | 29.6 |
| Length (mm) | 751 |
| Tech Tip | TT1000 |
This part fits 20 vehicles. Search below:
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 2007 | Buick | Rendezvous | Cooler To Reservoir | ||
| 2006 | Buick | Rendezvous | Cooler To Reservoir | ||
| 2006 | Pontiac | Montana | AWD | Cooler To Reservoir | |
| 2005 | Buick | Rendezvous | Cooler To Reservoir | ||
| 2005 | Pontiac | Aztek | Cooler To Reservoir | ||
| 2005 | Pontiac | Montana | AWD | Cooler To Reservoir | |
| 2004 | Buick | Rendezvous | FWD | Cooler To Reservoir | |
| 2004 | Buick | Rendezvous | AWD | Cooler To Reservoir | |
| 2004 | Oldsmobile | Silhouette | AWD | Cooler To Reservoir | |
| 2004 | Pontiac | Aztek | Cooler To Reservoir | ||
| 2004 | Pontiac | Montana | AWD | Cooler To Reservoir | |
| 2003 | Buick | Rendezvous | Cooler To Reservoir | ||
| 2003 | Oldsmobile | Silhouette | AWD | Cooler To Reservoir | |
| 2003 | Pontiac | Aztek | Cooler To Reservoir | ||
| 2003 | Pontiac | Montana | AWD | Cooler To Reservoir | |
| 2002 | Buick | Rendezvous | Cooler To Reservoir | ||
| 2002 | Oldsmobile | Silhouette | AWD | Cooler To Reservoir | |
| 2002 | Pontiac | Aztek | Cooler To Reservoir | ||
| 2002 | Pontiac | Montana | AWD | Cooler To Reservoir | |
| 2001 | Pontiac | Aztek | Cooler To Reservoir |
* 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.