BMW F20 F21 F30 F31 N47N B47 Power Steering Rack RT Box Gear Diesel 6874857

Visual condition of the part

The product shows signs of use visible in the photos.

BMW F20 F21 F30 F31 N47N B47 Power Steering Rack RT Box Gear Diesel is an original steering system component designed for BMW 1 and 3 Series models with diesel engines. This component from the Steering racks and housings category ensures precise vehicle handling, stable road performance, and proper integration with the power steering system. Thanks to its factory design, it provides a reliable solution for repairing or replacing a worn steering rack in your BMW.

Specifications and technical data

• SKU: rhd-6874859-1
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 6874859
• Substitutable numbers: 32106874859, 6874859, 32106874857, 6874857
• Fuel type: Diesel
• Category: Gearboxes, Racks & Pinions

Application and compatibility

The offered steering rack is intended for popular BMW F-series models, such as the F20 and F21 (1 Series) and F30 and F31 (3 Series), equipped with diesel engines. The system's design is engineered for the specific loads generated by diesel units, which translates into appropriate rigidity, durability, and correct steering-to-wheel motion ratio.

As a part originating from the group of original BMW components, the steering rack retains factory mounting points, geometry, and operating characteristics, which facilitates installation and helps maintain proper vehicle handling parameters after repair.

Construction and technical characteristics

The steering rack in this model works with the power steering system, forming a complete assembly responsible for transferring movement from the steering column to the front wheel knuckles. The applied design with the steering rack housing ensures:

• stable guidance of the rack bar throughout the entire operating range,
• appropriate body rigidity under dynamic driving conditions,
• precise translation of steering wheel movement into changes in driving direction.

Thanks to the factory design, the system maintains proper cooperation with the front suspension, safety systems, and vehicle electronics, which is important for the comfort and predictability of the car's reactions.

Condition, origin, and benefits of installation

The item comes from the BMW range and is classified as a used steering rack, which allows for an economical repair of the steering system while maintaining the original design. Choosing parts from this group is a cost-effective solution that is also technically matched to the specific generation of the BMW 1 and 3 Series.

Replacing a worn steering rack with an original component of this type allows you to restore:

• more confident lane keeping at higher speeds,
• consistent, predictable steering system reactions,
• proper cooperation with the power steering system and suspension.

For users expecting to maintain the factory driving character of their BMW, using an original steering rack from this series is a technically sound solution.

Part selection by numbers and parameters

The steering rack has a dedicated OEM part number and associated interchangeable numbers, which facilitates unambiguous identification in BMW catalogs and service systems. When selecting the part, it is worth verifying compatibility with the specific body version, model year, and diesel engine type to ensure full compatibility with the existing steering system and vehicle mounts.

Thanks to its assignment to the Steering racks and housings category, the product is easy to find among other steering system elements, such as columns, tie rods, or ends, which facilitates planning a comprehensive repair or upgrade of this area.

If you are planning a comprehensive repair or upgrade of the steering area in your BMW and need other elements from the same group, such as additional steering racks, housings, or related mounting components, check the available parts in the BMW steering racks and housings category.

Additional technical materials and guides

During major service work, many drivers also consider refreshing elements that affect the appearance and handling of the car, such as alloy wheels. If you are interested in the topic of selecting and refurbishing wheels, you will find practical tips in the article Used wheels like new: a guide to buying and refurbishing alloy wheels, which will help you better plan the work on your car.