Highlights:

• Designed to guarantee reliable operation of the stoplights
  
• Advanced testing technology to ensure quality and strength
  
• Features heavy-duty contacts and high conductivity brass terminals
  
• Direct replacement for a one-step installation
  
• Features rugged heatproof molded insulators

Specifications:

System Voltage: 12-24
Connector Shape: Circular
Overall Length: 1.88 Inches
Pin Count: 2
Sensor Type: Stop Light Switch
Thread Size: 1/4 inches - 18 NPT
Circuit Positionread: Normally Open at 0 pressure
Actuation Pressure: 4 psi

CrossReference:

Mack: 1MR2328R
Navistar: 171548R91