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Sunsong 3401188 Power Steering Return Line Hose Assembly - Intermediate Pipe
Overview of Sunsong Power Steering Return Line Hose Assembly
The Sunsong 3401188 power steering return line hose assembly is designed specifically for Toyota Sienna models. This 27.6-inch hose features durable CSM material and precise fittings to ensure reliable fluid return in the power steering system.
- Compatible with Toyota Sienna power steering systems
- 27.6 inches (702 mm) in length for exact fitment
- End 1: 3/8 inch ID hose fitting
- End 2: 3/8 inch beaded tube fitting
- Constructed from CSM hose material for durability and flexibility
- Part number 3401188 for accurate identification
Detailed Product Description
The Sunsong 3401188 power steering return line hose assembly is engineered to meet the specifications required by Toyota Sienna vehicles. 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 fluid return path. Measuring 27.6 inches (702 mm) in length, this hose assembly includes a 3/8 inch ID hose fitting on one end and a 3/8 inch beaded tube fitting on the other, ensuring a secure and leak-free connection within the power steering system.
Common Applications and Issues Addressed
- Replacement for worn or cracked power steering return hoses on Toyota Sienna models
- Resolves fluid leaks that cause steering difficulty or noise
- Prevents power steering fluid contamination and pressure loss
- Addresses hose swelling or hardening due to age or heat exposure
- Restores proper fluid flow for consistent steering performance
Installation Notes and Tips
- Verify compatibility with your Toyota Sienna model year before installation
- Ensure all fittings are clean and free of debris prior to assembly
- Use proper tools to avoid damaging the 3/8 inch fittings during installation
- Check for leaks after installation by running the engine and turning the steering wheel
- Follow the technical tip TT1000 for best installation practices
Quality Assurance and Warranty
Sunsong power steering hoses are manufactured to meet OEM standards for fit, form, and function. The 3401188 hose assembly undergoes rigorous quality control to ensure durability and performance under typical operating conditions. While specific warranty details may vary, Sunsong products generally come with a limited warranty against defects in materials and workmanship, providing confidence in the replacement part for your Toyota Sienna.
| Brand | Sunsong |
|---|---|
| Part Number | 3401188 |
| End 1 Fitting Size (in) | 3/8 |
| End 1 Fitting Type | ID Hose |
| End 2 Fitting Size (in) | 3/8 |
| End 2 Fitting Type | Beaded tube |
| Hose Material 1 | CSM |
| Length (in) | 27.6 |
| Length (mm) | 702 |
| Tech Tip | TT1000 |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2003 | Toyota | Sienna | Intermediate Pipe | |
| 2002 | Toyota | Sienna | Intermediate Pipe | |
| 2001 | Toyota | Sienna | Intermediate Pipe | |
| 2000 | Toyota | Sienna | Intermediate Pipe | |
| 1999 | Toyota | Sienna | Intermediate Pipe | |
| 1998 | Toyota | Sienna | Intermediate Pipe |
* 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.