Dewalt 90600139-04 Auxiliary Handle LST400 Trimmer

Product Description

The DEWALT 90600139-04 is an auxiliary side handle replacement part designed for the LST400 series cordless string trimmer. This handle provides the secondary grip point that allows the operator to maintain stable two-handed control during trimming operations. Licensed DEWALT service technicians and professional landscapers performing tool repairs will install this component to restore proper ergonomics and handling to a worn or damaged trimmer. It is a direct OEM-style service part sourced to match the original factory specification for the LST400 platform.

This auxiliary handle is intended for use on DEWALT LST400-1 cordless string trimmer units requiring handle replacement due to breakage, damage, or wear. Repair technicians servicing battery-powered outdoor power equipment will encounter this part during standard maintenance and collision-damage repair scenarios. It restores the trimmer to a safe, functional two-handed operating configuration.

Key Features

• OEM replacement auxiliary handle for the DEWALT LST400 series string trimmer
• Restores proper two-handed grip and operator control
• Direct factory-matched fit for LST400-1 units
• Designed as a service replacement to extend tool service life

Compatibility

Compatible with the DEWALT LST400-1 cordless string trimmer as stated in product data. Verify the specific model designation on your trimmer before ordering to confirm fitment.

Installation Notes

Installation should be performed by a qualified service technician or experienced operator familiar with DEWALT power tool repair procedures. Remove the battery pack and ensure the tool is fully powered down before beginning any disassembly or handle replacement work. Basic hand tools are typically required. Follow all applicable DEWALT service documentation for the LST400 platform during reassembly.

Technical Specifications

• Part Type: Auxiliary Handle
• Compatible Platform: LST400 Series

Standard Information

• Brand: DEWALT
• Manufacturer Part Number: 90600139-04