Product Description
The CUMMINS 3923129 OEM CRANKSHAFT POSITION / ENGINE SPEED SENSOR is designed for 1997–1998 5.9L 12-Valve Cummins diesel engines. This genuine Cummins sensor monitors engine speed and crankshaft position information required for proper engine operation and electronic control functions.
Use this sensor when diagnosing engine speed signal faults, intermittent stalling, hard starting, no-start conditions, or sensor-related trouble codes. Always verify fitment by engine serial number before ordering.
FEATURES
- Genuine Cummins OEM engine speed sensor
- Direct-fit replacement for applicable 5.9L 12-Valve Cummins engines
- Monitors crankshaft position and engine speed signals
- Helps restore proper engine performance and operation
- Designed to meet original Cummins specifications
- Ideal for maintenance, repair, or engine rebuild projects
FITMENT
- 1997–1998 Dodge Ram 2500 5.9L 12-Valve Cummins
- 1997–1998 Dodge Ram 3500 5.9L 12-Valve Cummins
- Select Cummins industrial and commercial 5.9L applications
WHAT'S INCLUDED
- 1 Cummins 3923129 OEM Crankshaft Position / Engine Speed Sensor
CROSS-REFERENCE AND RELATED PRODUCTS
- Cummins 3923129
- Cummins Engine Wiring Components
- Cummins Timing Case Components
- Cummins Sensors and Electrical Components
SPECIFICATIONS
- Manufacturer: Cummins
- Part Number: 3923129
- Part Type: Crankshaft Position / Engine Speed Sensor
- Engine Compatibility: 5.9L Cummins 12-Valve
- Fitment Years: 1997–1998
- Vehicle Application: Dodge Ram 2500 / 3500
- Condition: New OEM Cummins
- Installation Type: Direct Replacement
- Sensor Function: Engine Speed and Crankshaft Position Monitoring
FAQ
Will this sensor fit my truck?
This sensor fits many 1997–1998 Dodge Ram 2500 and 3500 trucks equipped with the 5.9L 12-Valve Cummins engine. Always verify fitment by engine serial number before ordering.
Is this a genuine Cummins sensor?
Yes. Cummins 3923129 is a genuine OEM engine speed sensor manufactured to Cummins specifications.
What does this sensor do?
This sensor monitors crankshaft position and engine speed information used by the engine's electronic systems for proper operation.
What are common symptoms of a failing engine speed sensor?
Symptoms may include hard starting, intermittent stalling, no-start conditions, erratic tachometer readings, or engine speed signal faults.
Is this a direct replacement part?
Yes. This sensor is designed as a direct-fit replacement for the listed Cummins applications.
Do I need any related parts?
Inspect the sensor connector, wiring harness, mounting area, and related electrical components during installation and replace damaged parts as necessary.