Description
The PAI 804200 ignition switch is a direct replacement for Mack 1MR4348M and 1MR4340M, supplied for Mack CHN, CXN, CXU, and GU model trucks. Manufactured by PAI Industries to OEM specification, the switch handles accessory, off, run, and start positions for the cab electrical system. Also crosses to Mack 20993302, 20775825, and 21514134.
Signs You Need a New Ignition Switch
- Engine cranks intermittently or not at all when the key is turned to start
- Dash and accessory power flickers or cuts out with the key in the run position
- Key sticks, binds, or does not return from start position
- Burnt smell or melted plastic at the steering column near the switch
- No power to ignition circuit despite a known-good battery
Specifications
| Manufacturer | PAI Industries |
|---|---|
| Part Number | 804200 |
| Part Type | Ignition Switch |
| Vehicle Compatibility | Mack CHN, CXN, CXU, GU model trucks |
| OEM Reference | Mack 1MR4348M |
Cross References
This part replaces or is equivalent to the following part numbers:
- Mack: 1MR4348M, 1MR4340M, 20993302, 20775825, 21514134
Applications
This ignition switch fits the following Mack trucks:
- Mack CHN models (highway tractor)
- Mack CXN / CXU Pinnacle highway tractors
- Mack GU Granite vocational models (GU713, GU813)
Verify your existing switch against the part number stamped on the housing or the OEM number in your service literature before ordering.
