CONFIRM THE PART FITS
Part Information
This lock nut (part number 503856301) is for line trimmers.
Follow appropriate safety practices when installing lock nut 503856301.
Top models using the same part
| Model Name | Model Number | Diagram Name |
|---|---|---|
| Model #128DJX Husqvarna gas line trimmer | 128DJX | Drive shaft/handle/shield |
| Model #128RJ Husqvarna gas line trimmer | 128RJ | Drive shaft/handle/shield |
| Model #128R Husqvarna gas line trimmer | 128R | Drive shaft/throttle housing/shield |
| Model #128DJ Husqvarna gas line trimmer | 128DJ | Driveshaft/handle/shield |
| Model #125R-CANADA Husqvarna gas line trimmer | 125R-CANADA | Driveshaft/throttle/shield |
| Model #125R Husqvarna gas line trimmer | 125R | Driveshaft/throttle/shield |
| Model #GC2126C Poulan gas line trimmer | GC2126C | Driveshaft/handle/shield |
| Model #125RJ Husqvarna gas line trimmer | 125RJ | Drive shaft/handle/shield |
| Model #BC2128 Poulan gas line trimmer | BC2128 | Throttle housing/handlebar/shield |
| Model #BC2126 Poulan gas line trimmer | BC2126 | Drive shaft/throttle housing |