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Sunsong 3402060 Power Steering Return Line Hose Assembly - Cooler To Reservoir
Overview of Sunsong Power Steering Return Line Hose Assembly
The Sunsong 3402060 power steering return line hose assembly is designed specifically for BMW 740i, 740iL, and 750iL models. This hose assembly ensures reliable fluid return in the power steering system, maintaining optimal steering performance and vehicle safety.
- Compatible with BMW 740i, 740iL, and 750iL models
- Part number 3402060 for precise identification
- Length: 21.1 inches (536 mm) for exact fitment
- End 1 fitting: 12 mm beaded tube
- End 2 fitting: 7/16 inch ID hose
- Constructed from durable NBR/CR hose material
- Technical tip reference: TT1000 for installation guidance
Detailed Product Description
The Sunsong 3402060 power steering return line hose assembly is engineered with a 12 mm beaded tube fitting on one end and a 7/16 inch ID hose fitting on the other, ensuring a secure and leak-free connection within the power steering system. The hose material combines nitrile butadiene rubber (NBR) and chloroprene (CR), providing resistance to heat, oil, and wear, which is critical for maintaining system integrity under demanding conditions. Measuring 21.1 inches (536 mm) in length, this hose assembly is tailored to fit the power steering return line requirements of BMW 740i, 740iL, and 750iL vehicles, matching OEM specifications for reliable performance.
Common Applications and Problem Resolution
- Replaces worn or cracked power steering return hoses in BMW 740i, 740iL, and 750iL
- Prevents fluid leaks that can cause steering difficulty or noise
- Restores proper hydraulic pressure for smooth steering response
- Eliminates hose swelling or degradation due to heat and fluid exposure
- Addresses power steering fluid contamination risks from damaged hoses
Installation Notes and Tips
When installing the Sunsong 3402060 hose assembly, ensure the fittings are clean and free of debris before connection. The 12 mm beaded tube end should be securely seated to prevent leaks, and the 7/16 inch ID hose end must be properly clamped. Refer to technical tip TT1000 for detailed installation procedures and torque specifications. It is recommended to inspect the entire power steering system for wear or damage during replacement to maintain overall system reliability.
Quality Assurance and Warranty Information
Sunsong power steering hoses are manufactured to meet or exceed OEM standards, ensuring durability and performance. The 3402060 hose assembly undergoes rigorous quality control to verify material integrity and fitment accuracy. While specific warranty details may vary, Sunsong products typically include coverage against manufacturing defects to provide confidence in your purchase.
| Brand | Sunsong |
|---|---|
| Part Number | 3402060 |
| End 1 Fitting Size (mm) | 12 |
| End 1 Fitting Type | Beaded tube |
| End 2 Fitting Size (in) | 7/16 |
| End 2 Fitting Type | ID Hose |
| Hose Material 1 | NBR/CR |
| Length (in) | 21.1 |
| Length (mm) | 536 |
| Tech Tip | TT1000 |
This part fits 17 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2001 | BMW | 740i | Cooler To Reservoir | w/ Self Leveling Suspension |
| 2001 | BMW | 740iL | Cooler To Reservoir | w/ Self Leveling Suspension |
| 2000 | BMW | 740i | Cooler To Reservoir | w/ Self Leveling Suspension |
| 2000 | BMW | 740iL | Cooler To Reservoir | w/ Self Leveling Suspension |
| 1999 | BMW | 740i | Cooler To Reservoir | w/ Self Leveling Suspension |
| 1999 | BMW | 740iL | Cooler To Reservoir | w/ Self Leveling Suspension |
| 1998 | BMW | 740i | Cooler To Reservoir | w/ Self Leveling Suspension |
| 1998 | BMW | 740iL | Cooler To Reservoir | w/ Self Leveling Suspension |
| 1998 | BMW | 750iL | Cooler To Reservoir | |
| 1997 | BMW | 740i | Cooler To Reservoir | w/ Self Leveling Suspension |
| 1997 | BMW | 740iL | Cooler To Reservoir | w/ Self Leveling Suspension |
| 1997 | BMW | 750iL | Cooler To Reservoir | |
| 1996 | BMW | 740iL | Cooler To Reservoir | w/ Self Leveling Suspension |
| 1996 | BMW | 750iL | Cooler To Reservoir | |
| 1995 | BMW | 740i | Cooler To Reservoir | w/ Self Leveling Suspension |
| 1995 | BMW | 740iL | Cooler To Reservoir | w/ Self Leveling Suspension |
| 1995 | BMW | 750iL | 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.