Hella Hydraulic Pump - 8TL 359 000-951
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Product Information
Full details
This Hella Hydraulic Pump (Part Number: 8TL 359 000-951) is designed for owners of Mercedes-Benz ACTROS MP4 / MP5 models from 2015 onwards. Its key benefit is providing reliable, OE-quality steering assistance, ensuring reduced steering effort, especially at low speeds. A crucial caveat is the need to verify exact vehicle fitment and specifications before purchase, as this is a specialized component.
All features
| Model Part Number | 8TL 359 000-951 |
|---|---|
| Brand | Hella |
Extended Product Information
FAQs
What specific Mercedes-Benz vehicles is this pump compatible with?
This Hella Hydraulic Pump (8TL 359 000-951) is designed for Mercedes-Benz ACTROS MP4 and MP5 models manufactured from 2015 onwards. Always verify fitment with your vehicle's specific VIN and original part numbers.
What does 'anticlockwise rotation' mean for this pump?
Anticlockwise rotation refers to the direction the pump shaft spins when it is operating. This must match the requirements of your vehicle's specific steering system design.
Is this pump a direct replacement for the original part?
Yes, this pump is manufactured to OE-quality standards and is intended as a direct replacement for the original equipment on compatible Mercedes-Benz ACTROS models. However, it is crucial to verify OEM number interchangeability.
How can I tell if my steering pump needs replacing?
Common signs include increased steering effort, whining or groaning noises when turning, or fluid leaks from the pump area. If you notice any of these symptoms, it's advisable to have your steering system inspected.
What type of hydraulic fluid should I use?
Always refer to your Mercedes-Benz ACTROS owner's manual or consult a qualified mechanic for the specific type of hydraulic fluid recommended for your vehicle's power steering system.
Can I install this pump myself?
While possible, installation of a hydraulic steering pump requires specialized knowledge and tools, including proper system bleeding procedures. It is highly recommended to have this component installed by a professional mechanic.
Troubleshooting
Steering remains stiff or heavy after installation.
Ensure the hydraulic system has been completely bled of air. Check for any kinks or blockages in the hydraulic lines. Verify the correct type and amount of hydraulic fluid has been used.
Audible whining or groaning noise from the pump.
This often indicates air in the system or low fluid levels. Check the fluid reservoir and top up if necessary, then re-bleed the system. If the noise persists, there might be an internal pump issue or a leak.
Hydraulic fluid leaks observed.
Inspect all connections and seals for tightness and damage. Replace any damaged seals or fittings immediately. Ensure all lines are securely connected to the pump.
Pros and Cons
Pros
- Ensures OE-quality standards for reliable operation.
- Reduces steering effort, improving low-speed maneuverability.
- Engineered for durability and long service life.
- Provides consistent and optimal hydraulic fluid pressure.
Cons
- Requires careful verification of vehicle fitment before purchase.
- Specific anticlockwise rotation may not be suitable for all steering systems.
- Compatibility is limited to specific Mercedes-Benz ACTROS MP4/MP5 models and years.
Setup, Compatibility & Care
Compatibility Verification:
Before installation, it is critical to verify that this hydraulic pump is compatible with your specific Mercedes-Benz ACTROS MP4 or MP5 model (2015 onwards). Cross-reference the Part Number (8TL 359 000-951) and OEM Numbers (e.g., 003 460 32 80, A 003 460 72 80) with your vehicle's original specifications. Ensure the anticlockwise rotation matches your steering system's requirements.
Installation:
Installation should be performed by a qualified mechanic experienced with commercial vehicle steering systems. This typically involves draining the old hydraulic fluid, disconnecting lines, removing the old pump, installing the new Hella pump, reconnecting lines, bleeding the system to remove air, and refilling with the appropriate hydraulic fluid. Failure to properly bleed the system can lead to poor performance and damage.
Care:
Regular maintenance of the power steering system is essential. This includes checking hydraulic fluid levels periodically and ensuring the fluid is clean. Follow the vehicle manufacturer's recommendations for fluid type and change intervals. The pump itself is a sealed unit and generally requires no direct user maintenance beyond ensuring the rest of the steering system is in good working order.