NP231 partial master rebuild kit
| ITEM | DESCRIPTION |
| 1 | Lock Nut: Front output yoke |
| 2 | Rubber seal: Front output yoke |
| 3 | Premium oil seal (double lip, dual spring): Front output yoke |
| 4 | O-Ring: Shift detent plug |
| 5 | Premium oil seal (double lip, dual spring): Input gear |
| 6 | O-Ring: Vacuum switch |
| 7 | O-Ring: Shift sector shaft |
| 8 | Nylon retaining ring: Shift sector O-Ring |
| 9 | Retaining ring: Input gear |
| 10 | Bearing: Input gear (See note below) |
| 11 | Bearing: Input gear pilot |
| 12 | Retaining ring: Synchronizer hub |
| 13 | Bearing: Front output shaft |
| 14 | Retaining ring: Front output bearing |
| 15 | Pocket bearing: Rear of front output shaft |
| 16 | Bearing (2): Drive sprocket |
| 17 | Oil seal: Oil pump |
| 18 | Bearing: Mainshaft rear output |
| 19 | Retaining ring: Rear output bearing |
| 20 | Screen: Oil pick-up |
| 21 | Bushing: Rear output housing |
| 22 | Oil seal: Rear output housing |
| 23 | Magnet |
| 24 | Pads: Mode fork |
| 25 | Pads: Range fork (Steel fork applications only) |
| 26 | Chain: Borg-Warner Morse (OEM) - Optional for all kits; available at extra cost. |
| 27 | Thrust washers: Both sides of the input gear - 2 required (See note below) |
| 28 | O-ring: oil pickup tube |
NOTES:
Item #10: Some applications utilize a thin, single row ball bearing #6010NC3 for this item. On applications utilizing a wider, double row ball bearing #BD508, add $8.00 to each kit price. Each kit can be ordered with both single and double row bearings included for an additional $20.00.
Item #27: Add $5.00 to each kit price for a pair of these thrust washers.
Other: Slip Yoke Eliminator kit already includes items 12, 16, 18, 19 and 22.