LST420 (Type 2) Black and Decker Trimmer - Overview

Diagrams for LST420

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SCREW, MACHINE M6X65 – Part Number: 90580088
No Longer Available
SCREW, MACHINE M6X65
Part #90580088
This is an authentic replacement part sourced directly from the manufacturer. The machine screw is found in trimmers and edgers from Black & Decker. This part is made of metal, and is generally used to secure the auxiliary handle. Please be aware that there are different screws used in the machine. Refer to the parts diagram to be sure of ordering the correct part. You may require a wrench when replacing this item. This product is available as an individual replacement part.
CHARGER – Part Number: 90640340
No Longer Available
CHARGER
Part #90640340
This is a genuine manufacturer-sourced charger, designed for use with select Black & Decker power tools. Sold individually, this OEM replacement part offers a cost-effective solution for restoring your tool’s charging capability—often far less expensive than purchasing a new tool. However, it's important to note that using a weak or defective battery can damage the charger. Batteries with bad cells may fail to hold a charge and continuously signal the charger to keep charging, which can lead to overheating and, in some cases, cause the charger to smoke. To protect your charger and ensure safe operation, always pair it with a healthy
COVER SPOOL – Part Number: 385022-03N
No Longer Available
COVER SPOOL
Part #385022-03N
This genuine OEM replacement spool cover is specifically designed for use with Craftsman trimmers and edgers. Its primary function is to secure the spool and cutting line within the cutter head assembly, ensuring smooth and safe operation during trimming tasks. Made from high-quality plastic, this durable cover is built to withstand regular use and outdoor conditions. Replacing the cover is quick and easy—simply press the two upper tabs to release it from the spool housing, then snap the new one into place. This part is sold individually, and for best results, refer to your tool’s owner’s manual or parts diagram to confirm compatibility.
BLADE – Part Number: 90559116
No Longer Available
BLADE
Part #90559116
This item is an authentic Black and Decker replacement part that has been sourced from the original manufacturer to be used with trimmers. The metal blade attaches to the grass guard and is used to cut excess line to prevent damage to the guard. This item is priced as the blade only, please note the hardware is separate.
SPRING, SPOOL COVER – Part Number: 90566944
No Longer Available
SPRING, SPOOL COVER
Part #90566944
Genuine Black and Decker replacement part, this item is sold individually. The purpose of the 90566944 Spring is to hold the spool in place on the Trimmer shown below. It is placed between the spool and the spool cover. The cover snaps into the spool housing by means of the two tabs on both sides of the cover.
SA LEVER, SINGLE LINE, 11 – Part Number: 90567076
No Longer Available
SA LEVER, SINGLE LINE, 11
Part #90567076
This is a genuine Black and Decker replacement part, it is sold individually. The lever regulates the amount of line that is fed from the auto feed spool. It commonly breaks, but is easily repaired. Remove the spool cap, then the spool, you can remove the lever from there with a pair of needle-nose pliers. New lever snaps back into place. Used with the string trimmers listed below.
WING NUT – Part Number: 90570279-01
No Longer Available
WING NUT
Part #90570279-01
This is a genuine manufacturer-sourced part which is specially designed for Black and Decker string trimmers. The knob is used to adjust the auxiliary handle. To install the knob requires no tools, simply twist the knob into place on the auxiliary handle. This part is made of plastic and is sold individually.
LABEL, WARNING – Part Number: 90595827
No Longer Available
LABEL, WARNING
Part #90595827
SA AUX HANDLE, LST400-1 – Part Number: 90600139-04
No Longer Available
SA AUX HANDLE, LST400-1
Part #90600139-04