MERCEDES 12646015800 Diesel Steering Gear Box Pump Motor 551-56525A Benz 78-85S

( Part Type: Steering Gear Box Pump Motor ), ( Placement On Vehicle: Front ), ( Manufacturer Part Number: 12646015800 ), ( Manufacturer Warranty: 30 Day ), ( Ipn: 551-56525a ), ( Country Of Origin: Germany ), ( Oe/oem Part Number: 9673s172612 1264601580, 12646013800 ), ( Make: Mercedes-benz )

Review MERCEDES benz 78-85s Class Diesel Steering Gear Box Pump Motor Oem fits W126 300SD

The Mercedes-Benz W126 300SD (126 300SD) is a diesel-powered luxury sedan that was produced by Mercedes-Benz between 1979 and 1991. This model is known for its superior engineering, sleek design, and exceptional performance. One of the essential components of its steering system is the steering gear box pump motor.

The Mercedes-Benz 12646015800 is the part number for this specific steering gear box pump motor, which is designed for use in the 78-85 300SD W126 models. This motor plays a crucial role in the vehicle's power steering system by supplying the necessary hydraulic pressure to assist the driver in turning the steering wheel.

This pump motor is a compact, yet robust component, featuring a durable cast-iron housing that protects it from the harsh operating conditions of the engine compartment. The motor utilizes a precision-machined, high-quality rotor and stator assembly that ensures consistent and reliable performance. The rotor is driven by the engine's belt system, while the stator is connected to the steering rack, creating the hydraulic pressure required for power steering.

The pump motor is designed with a pressure relief valve that prevents excessive hydraulic pressure from building up in the system, ensuring the safety and longevity of the power steering components. It also features a robust seal system that prevents leaks and maintains the hydraulic fluid inside the system.

The Mercedes-Benz 12646015800 steering gear box pump motor is a high-quality replacement part that guarantees a perfect fit and function in your 78-85 300SD W126. By utilizing original equipment manufacturer (OEM) specifications and manufacturing processes, you can trust that this pump motor will provide the same level of performance and reliability as the one originally installed in your vehicle.

In summary, the Mercedes-Benz 12646015800 steering gear box pump motor is a crucial component in the power steering system of the 78-85 300SD W126. Its robust design, precision engineering, and reliable performance make it an essential investment for any Mercedes-Benz enthusiast or professional mechanic working on these vehicles.

Mercedes-Benz W126 300SD (12646015800) Steering Gear Box Pump Motor: A Comprehensive Analysis

The Mercedes-Benz W126 300SD (12646015800) is an iconic vehicle, known for its luxury and performance. However, like all vehicles, it requires regular maintenance, including the replacement of certain parts, such as the steering gear box pump motor. In this analysis, we will discuss the pros and cons of buying a new steering gear box pump motor for your Mercedes-Benz W126 300SD.

1. Improved Performance: A new steering gear box pump motor will ensure that your vehicle's power steering system functions optimally. This can lead to improved handling and a more comfortable driving experience.

2. Reliability: A new steering gear box pump motor is less likely to fail compared to a used or rebuilt one. This can save you from the hassle and expense of frequent repairs.

3. Longer Lifespan: A new steering gear box pump motor is designed to last longer than a used or rebuilt one. This can save you money in the long run by reducing the need for frequent replacements.

4. Warranty: A new steering gear box pump motor typically comes with a warranty, providing you with peace of mind and protection against manufacturing defects.

1. Cost: A new steering gear box pump motor can be more expensive than a used or rebuilt one. However, the long-term savings in terms of reliability and reduced repair costs may outweigh the initial investment.

2. Availability: New steering gear box pump motors for older Mercedes-Benz models, such as the W126 300SD, may be harder to find compared to more common models. This can result in longer wait times for delivery.

3. Installation: Installing a new steering gear box pump motor can be a complex process, requiring specialized tools and knowledge. It may be necessary to hire a professional mechanic to ensure proper installation and function.

The decision to buy a new steering gear box pump motor for your Mercedes-Benz W126 300SD depends on various factors, including your budget, availability, and personal preferences. While a new steering gear box pump motor may be more expensive upfront, it offers improved performance, reliability, and a longer lifespan compared to used or rebuilt options. Additionally, the warranty provided with a new part can provide peace of mind and protection against manufacturing defects. Ultimately, the investment in a new steering gear box pump motor can save you money in the long run by reducing the need for frequent repairs and replacements.

If you value reliability, performance, and peace of mind, we recommend investing in a new steering gear box pump motor for your Mercedes-Benz W126 300SD. While the initial cost may be higher, the long-term savings and improved driving experience are worth the investment. If budget is a concern, consider exploring options for used or rebuilt steering gear box pump motors, but be aware of the potential risks in terms of reliability and longevity.

part # 12646015800 price

• $389.99

specifications steershun:

• for models: W126, 300sd
• for makes: Mercedes
• part type: Steering Gear Box Pump Motor
• placement on vehicle: Front
• manufacturer part number: 12646015800
• manufacturer warranty: 30 Day
• interchange part number: 551-56525A
• country of origin: Germany
• oe/oem part number: 9673s172612 1264601580, 12646013800
• make: Mercedes-benz

returns steershun:

• policy: Returns Accepted
• paid by: Seller
• time: 30 Days

seller steershun:

• # reviews: 9892
• rating: 99.6%

offer steershun:

• sold: 0
• options: Ship-to-home
• availability: In Stock
• started: June 6, 2026
• best offers: True
• quantity: 1

shipping steershun:

• transit: 4-9 Days
• type: Fixed
• class: Standard, Expedited
• service: USPS First Class, Expedited
• cost: $0.00
• carrier: USPS

general steershun:

• condition: Used
• Car Truck Parts Accessories > Steering Suspension > Other Steering Suspension Parts

payments steershun:

• credit card: Visa
• other
• wallet: Google-pay

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