Interstate-McBee M-2872277 Cam / Crank Position Sensor – 2003–2018 5.9L & 6.7L Cummins

Restore accurate timing and reliable starts with the Interstate-McBee M-2872277 Cam/Crank Position Sensor. Built to OEM dimensions for 2003–2018 Ram 2500/3500 trucks equipped with the 5.9L 24V ISB and 6.7L ISB, this 3-pin sensor delivers precise cam/crank signal input to the ECM for correct injector timing and smooth operation.

• Direct OEM-style replacement: Replaces Cummins 2872277, 4921684, 5179099AA, 5179099AB.
• Reliable signal quality: Stable cam/crank reference for consistent starts and reduced stalling/misfire issues.
• Durable build: Quality materials and precise molding for long service life under heat and vibration.
• Hassle-free install: 3-pin rectangular connector; includes O-ring (see specs) for proper seal.
• Aftermarket value: OEM-equivalent performance at a fraction of genuine OEM cost.

Specifications

Vehicle Fitment

Always verify by VIN/ESN for edge cases and mid-year changes.

• Ram 2500/3500 – 5.9L Cummins (24-Valve ISB): 2003–2007
• Ram 2500/3500 – 6.7L Cummins ISB: 2007.5–2018

Install Notes

• Disconnect batteries before service. Clean the bore and lightly lube the O-ring prior to install.
• Inspect the harness and connector for chafing or oil intrusion; repair as needed.
• Seat sensor fully; torque the retaining fastener to factory spec per the Cummins service manual.
• Clear DTCs and verify live data after installation.

Symptoms of a Faulty Sensor

• Hard starting, intermittent stall, erratic tach signal.
• Possible DTCs such as P0340 (cam sensor circuit) or P0335 (crank sensor circuit).

Why Buy From CPP Diesel

• Verified B-Series fitment and tech support (VIN/ESN lookup available).
• Fast shipping and easy returns.
• Curated inventory to pair with seals, harness pigtails, and related timing components.

FAQ