Mini Cooper One R55 R56 R57 LCI R58 R59 R60 R61 Windscreen Wash Pump Double

Mini R55 R56 Washer Pump 6938620 is an original washer system component from the Washer Tanks, Pumps, and Nozzles category, designed for Mini R55 and R56 series models. This is a practical solution for users who want to restore proper windshield washer operation, maintaining factory performance characteristics and solid build quality. A used OEM part allows for an economical yet professional repair of the system.

Specifications and technical data

• SKU: 8377987
• Mark: Mini (Genuine OE)
• Condition: Used
• OEM Part Number: 8377987
• Substitutable numbers: 67128377987, 8377987, 67126938620, 6938620, 71106778555, 6778555
• Part type: Washer Pump
• Category: Washer Pumps, Reservoirs & Nozzles

Purpose and Function in the Washer System

The washer pump is responsible for generating the correct fluid pressure and delivering it to the nozzles on the windshield. For Mini R55 and R56 series, a properly functioning pump is crucial for the driver's field of vision, especially when driving in rain, slush, or with heavy windshield dirt.

By retaining the factory design, this component works with the original fluid reservoir and the vehicle's electrical system, which simplifies installation and reduces the risk of leaks or power supply issues. Using a pump compatible with the Mini system avoids installation modifications and ensures stable washer performance.

Advantages of Using an Original Mini Pump

Choosing an original washer pump for Mini R55/R56 offers a number of practical benefits:

• Factory fit for the reservoir housing and standard hoses.
• Appropriately selected performance, ensuring even fluid delivery to the windshield.
• Compatibility with the vehicle's electrical system without the need for wiring modifications.
• Verifiable by OEM numbers and interchangeable numbers in the technical specification.

Thanks to this, the washer system operates stably, and the driver maintains good visibility in difficult road conditions, which directly impacts driving safety.

Condition, Verification, and Selection by Numbers

The offered Mini washer pump comes from the secondary market, which helps reduce repair costs while maintaining the original design. Before installation in the vehicle, a standard check of the electrical system, hose tightness, and nozzle condition is recommended to fully utilize the component's capabilities.

It is advisable to base the selection of the correct pump on the data from the technical specification list, which includes information on the OEM part number and available interchangeable numbers. This facilitates matching to a specific equipment version and Mini year, and also minimizes the risk of purchasing an incorrect component.

If you want to deepen your knowledge of diagnostics and selection of fuel system components and operating fluids, an article describing the principles of operation and servicing of fuel supply systems may be helpful: Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair. Although it concerns a different system, it presents a useful approach to identifying parts by OEM numbers and their operation.

Installation and Operation in Mini R55/R56

Due to its OEM design, installing the washer pump in Mini R55 and R56 is typically a plug-and-play procedure, provided the original reservoir and wiring harness components are intact. In practice, this involves:

• disconnecting power and removing the old pump from the reservoir,
• checking the housing and seals for dirt and any damage,
• inserting the new pump into the reservoir, ensuring the correct mounting orientation,
• connecting the electrical plug and fluid hoses,
• checking the washer operation after refilling the fluid.

Regular use of fluid with appropriate parameters and periodic bleeding of the system help maintain stable pump operation and reduce the risk of seizing or performance loss.

Other Mini Washer Tanks, Pumps, and Nozzles

If you are also looking for other components from the Washer Tanks, Pumps, and Nozzles category for Mini cars, check out the Mini washer tanks, pumps, and nozzles available in our assortment. This will allow you to assemble the entire washer system based on OEM parts, which simplifies installation and ensures consistent performance parameters for the entire system.