Description
Aftermarket reverse switch from PAI Industries (MSW-4396) that replaces Mack 1MR2297 / 25049335 / 1MR1320, Fuller 16830, Navistar 454925C1 / 1676106C1, and Volvo 25049335 used across Fuller 11609/6613, Mack TRQ-7220/TRL-107/TRDXL-107/TRDL-107 transmissions, and Navistar applications. Standard 9/16″–18 thread fits the bulk of period Mack and Eaton-Fuller transmission housings.
Specifications
| Manufacturer | PAI Industries |
|---|---|
| Part Number | MSW-4396 |
| Part Type | Reverse Switch |
| Thread Size | 9/16″–18 |
| Application | Mack / Fuller / Navistar transmissions |
Cross References
This part replaces or is equivalent to the following part numbers:
- Mack: 1MR2297, 25049335, 1MR1320, 3088-22940, 3088-16830
- Fuller: 16830
- Navistar: 454925C1, 1676106C1
- Volvo: 25049335
- Excel: EF43960
Applications
This reverse switch fits the following transmissions:
- Fuller 11609 series
- Fuller 6613 transmission
- Mack TRQ-7220 (20-speed)
- Mack TRL-107 (5-speed)
- Mack TRL-1076 / TRL-1078 (5-speed)
- Mack TRDXL-107 (6-speed)
- Mack TRDL / TRDLG-107, 1070 (10-7 speed)
- Navistar multiple applications
Verify your transmission model and switch port thread before ordering to confirm fitment.









