To purchase parts for the 420BU (Torsion Bar Adjustment Assembly RF039100):
- Reference the part needed from the parts diagram and refer to the parts list below.
- Copy the Part Number and paste it into the search window above to see availability and pricing.
- Confirm your parts selection and "Add To Cart".
| Item | Part Number | Description | QTY |
| 1 | NB3265 | NUT, LOCK, 5/16” | 1 |
| 2 | NB6545 | BOLT, HEX, 5/16” X 1” | 1 |
| 3 | NB6864 | BOLT, HEX, 1/2” X 1-1/4” | 4 |
| 4 | NB9269 | WASHER, FLAT, 7/16” | 4 |
| 5 | MP266800 | BAR, TORSION | 1 |
| 6 | MP266600 | BRACE, BAR, TORSION | 1 |
| 7 | NB6044 | BOLT, HEX, 3/8” X 1-1/4” | 2 |
| 8 | NB017100 | WASHER, FLAT, 1/2” | 1 |
| 9 | NB047100 | NUT, JAM, 1/2”-20 | 1 |
| 10 | MX1075 | WASHER, LOCK, 3/8” | 2 |
| 11 | NB046200 | NUT, HEX, 3/8” | 2 |
| 12 | MP398801 | BRACKET, TORSION | 1 |
