Makita 422309-4 Rubber Ring 25 GRJ01 Part

Product Description

The MAKITA 422309-4 is a rubber ring designed as a direct OEM replacement component for Makita power tools. This small sealing or retention ring serves a mechanical function within the tool assembly, providing a reliable interface between moving or stationary components. Rubber rings of this type are commonly used to reduce vibration, prevent fluid or debris ingress, or secure internal components in place. Installation is typically performed by a qualified service technician during routine maintenance or repair of the host tool.

This part is listed for use with the Makita GRJ01 tool platform. It is a manufacturer-sourced component intended to restore the tool to factory operating condition when the original part has worn, torn, or lost its sealing or retention properties. Technicians and authorized service centers handling Makita equipment will recognize this as a standard internal service part.

Key Features

• OEM Makita replacement rubber ring for the GRJ01 platform
• Designed to restore original fit and function within the tool assembly
• Rubber construction provides flexibility and resilience under mechanical stress
• Direct factory part sourced from Makita for precise dimensional fit

Compatibility

Listed as a replacement component for the Makita GRJ01 tool. Verify the part number against your tool's exploded parts diagram before ordering to confirm correct application.

Installation Notes

This part should be installed by a qualified power tool service technician. Disconnect the tool from its power source and discharge any stored energy before disassembly. Refer to the Makita service manual for the GRJ01 when accessing internal components, and use only the tools specified for that procedure to avoid damaging surrounding parts or the replacement ring.

Technical Specifications

• Material: Rubber
• Compatible Tool: GRJ01

Standard Information

• Brand: MAKITA
• Manufacturer Part Number: 422309-4