Land Rover Range Rover Sport L320 Rear Window Wiper Motor Unit CH32-17C421-AC

Land Rover Range Rover Sport L320 Rear Window Wiper Motor Unit is an original component from the Wiper motors and linkages group, designed for operation on the rear window. It ensures stable, repeatable wiper arm performance, which translates into safe visibility when driving in rain, snow, or mud. Thanks to the factory design tailored to the Range Rover Sport L320, installation is predictable and does not require any modifications to the wiring.

Specifications and technical data

• SKU: CH32-17C421-AC
• Mark: Land Rover
• Condition: Used
• OEM Part Number: CH32-17C421-AC
• Substitutable numbers: CH32-17C421-AC, CH3217C421AC, LR029777, 91498-474, 91498474
• Location on the vehicle: Rear
• Part type: Wiper Motor
• Category: Wiper Linkages, Transmissions & Motors

Purpose and function in the vehicle

The presented rear window wiper motor is designed for operation in the rear part of the body, where it is responsible for driving the wiper arm on the tailgate glass. Its placement at the rear of the vehicle allows for precise removal of water and debris from the glass surface, which is particularly important in vehicles with a raised body, such as the Range Rover Sport L320. This component works with the vehicle's factory control system, ensuring the correct operation of the rear wiper modes, including intermittent and continuous operation, in accordance with the configuration applied by the manufacturer.

Construction and fitment for Land Rover Range Rover Sport L320

The rear window wiper motor in this model is constructed as a compact electric drive that can be mounted at the manufacturer-designated mounting points in the tailgate. The appropriate geometry of the housing and mechanical terminals allows for the correct positioning of the wiper arm relative to the glass, which minimizes the risk of uneven water clearing. Thanks to the use of the original Land Rover design, compatibility with the factory mounting system, electrical harness, and drive transmission mechanics is maintained. This allows for the replacement of a worn-out drive without the need for interference with the bodywork or electrical installation, which is beneficial in terms of both labor time and service costs.

Performance characteristics and benefits of use

The rear window wiper motor from this offer, as a used component, represents a reasonable compromise between cost and functionality. It allows for restoring the efficiency of the rear wiper system in situations where symptoms such as the arm stopping in random positions, slowed operation, or a complete lack of response to activation occur. Using an original drive helps maintain consistency of performance parameters with the vehicle manufacturer's specifications. The main benefits of installing this component include:

• restoration of proper rear wiper operation in the Range Rover Sport L320,
• preservation of the factory mounting and drive routing method,
• reduction of the need for additional installation modifications,
• possibility of economical repair of the rear window cleaning system.

Condition, verification, and application in service practice

The offered rear window wiper motor is a used component, which in workshop practice often constitutes an effective solution for repairing vehicles used on a daily basis. This type of subassembly, after proper installation, allows for further trouble-free operation of the wiper system, provided that standard service procedures are followed, such as checking the condition of the arm, blade, and electrical connectors. In the case of Land Rover vehicles, the use of original wiper motors and linkages is particularly important due to the specific nature of the bodywork and the conditions in which these cars are often used (off-road driving, mud, heavy precipitation). A properly selected rear wiper drive helps maintain an appropriate level of safety and driver comfort.

Wiper system expansion and parts selection

If you are planning a comprehensive repair or upgrade of the glass and wiper system area in your Land Rover and need other elements from the same group, such as front wiper motors, linkages, or transmission mechanisms, check the available parts in the Land Rover wiper motors and linkages category. When making a decision to use a used rear window wiper motor, it is worth considering both the symptoms of the failure and the scope of planned service work. Helpful practical tips regarding diagnosis and component selection can be found in the article Operational failures vs. costs: how to repair a car using used auto parts?, which describes, among other things, wiper system repairs and the selection of used components.