Toyota Yaris P9 Mk2 Rear Windscreen Wiper Motor Unit Module 851300D020

Toyota Yaris P9 Mk2 Rear Windscreen Wiper Motor Unit Module is an original drive module designed for rear window operation, engineered specifically for this model. Thanks to its factory design, it ensures reliable cooperation with the wiper arm, the correct operating angle, and stable removal of water and dirt. This is a practical solution for users who want to restore the efficiency of the rear wiper without compromising on fitment.

Specifications and technical data

• SKU: 851300D020
• Mark: Toyota
• Condition: Used
• OEM Part Number: 851300D020
• Substitutable numbers: 851300D020, 85130-0D020
• Location on the vehicle: Rear
• Part type: Wiper Motor
• Category: Wiper Linkages, Transmissions & Motors

Purpose and function in the vehicle

The presented motor belongs to the Wiper motors and linkages group and is responsible for driving the rear wiper in the Toyota Yaris P9 Mk2. Its location in the rear window area allows for direct transmission of torque to the wiper arm, which translates into effective clearing of the driver's field of vision when driving in rain, snow, or road dirt. This component works with the vehicle's electrical system and wiper control system, ensuring:

• smooth wiper movement within the specified operating range,
• stable positioning in the rest position,
• repeatable operation at various speeds and intermittent cycles.

Module construction and fitment

The rear wiper motor in the Toyota Yaris P9 Mk2 is a compact module that combines an electric drive and a gearbox responsible for speed reduction and torque increase in a single housing. As a result, the entire unit is easy to install and does not require additional structural modifications to the tailgate. The original Toyota origin means maintaining the correct geometry of the mounts, the appropriate electrical connector, and compatibility with the factory control system. This is particularly important for components operating in continuous motion, where the precision of the fit affects the operating quality and durability of the entire system.

Benefits of using an original motor

Using a dedicated rear wiper motor in the Yaris P9 Mk2 allows for restoring the full functionality of the rear window cleaning system without the need for replacements with uncertain fitment. Key advantages include:

• factory fitment to the bodywork and electrical system,
• maintaining the correct operating range of the wiper arm,
• stable operation in high-humidity conditions within the tailgate area,
• reduced risk of incorrect installation thanks to the mounting points provided by the manufacturer. The used nature of the component allows for an economical repair while maintaining the original technical specification, which is beneficial both in terms of costs and compatibility with other components of the wiper system.

Practical installation and maintenance tips

When replacing the rear wiper motor, it is worth paying attention to the condition of the arm, the output shaft, and the seals in the tailgate. Proper installation includes:

• checking the mounting socket in the tailgate lining,
• verifying the condition of the electrical connector and wiring,
• setting the wiper arm in the rest position according to the factory setting. Such an approach minimizes the risk of recurring faults and ensures even window cleaning across the entire range intended by the manufacturer. If you are planning a comprehensive repair or upgrade of the area responsible for wiper operation in your Toyota and need other components from the same group, such as drives, linkages, or mechanisms working with blades, check the available parts in the Toyota wiper motors and linkages category.

More about repairs using used parts

When selecting a used rear wiper motor, it is worth knowing the typical signs of wear and the scope of work to be performed during replacement. A detailed discussion on the sense of using used components, symptoms of faults, and practical tips regarding wiper system repairs can be found in the article Operational faults and costs: how to repair a car using used auto parts?. Additionally, if you want to better understand how to properly select components by OEM number or other manufacturer markings, the guide how to choose the right car part by VIN and OEM number, which describes the component compatibility verification process step by step, may be helpful.