M939 Electronic Protective Control Box 12450333 | M923 M931 M939A1 M939A2 | NSN 6110-01-444-2546

Short Description

New electronic protective control box for M939-series 5-ton military trucks. Fits multiple M939, M939A1 and M939A2 series applications including M923 and M931 trucks.

Part Number: 12450333
NSN: 6110-01-444-2546
Alternate P/N: 11669304, SX75G3

Product Description

New electronic protective control box for M939-series 5-ton military trucks.

This control box is part of the vehicle's electrical protection and starting system. It provides reverse-polarity protection, controls and protects the output of 60-amp alternator systems, controls power to the starter solenoid, and prevents the starter circuit from engaging when the transmission is not in neutral.

Ideal replacement for damaged, failed, or missing M939-series electronic control boxes.

Applications

Fits many vehicles in the M939, M939A1 and M939A2 5-ton military truck family, including:

• M923

• M923A1

• M923A2

• M931

• M939

• M939A1

• M939A2

• Other applicable M939-series 5-ton trucks

Not for M809-series trucks.

Part Information

• Part Number: 12450333

• NSN: 6110-01-444-2546

• Alternate Part Number: 11669304

• Alternate Part Number: SX75G3

• FSC: 6110 – Electrical Control Equipment

• Condition: New

• Application: M939-Series 5-Ton Military Trucks

• Country of Origin: USA

Important Installation / Operation Note

The control box must be properly grounded through its mounting points for correct operation.

To prevent possible electrical-system damage, shut the vehicle down by turning off the ignition and allowing the engine to completely stop before switching off the battery disconnect.

SEO Meta Title

M939 Electronic Control Box 12450333 | M923 M931 | SECO

SEO Meta Description

New M939 electronic protective control box P/N 12450333, NSN 6110-01-444-2546. Fits M923, M931, M939A1, M939A2 and other M939-series 5-ton military trucks.