CUMMINS 5273412 GENUINE ENGINE CRANKSHAFT DRIVE GEAR – OEM FOR 2003–2018 5.9L & 6.7L CUMMINS

The Cummins 5273412 Genuine Engine Crankshaft Drive Gear is a critical OEM component that transfers rotational power from the crankshaft to the camshaft and injection system in your 5.9L or 6.7L Cummins diesel. Built for precision and durability, this gear ensures proper engine timing and reliable performance under all load conditions.

Replacing worn or damaged crankshaft gears is essential during major engine overhauls, timing component replacement, or high-performance builds.

Features & Benefits

• OEM Precision: Manufactured by Cummins for exact gear mesh and fit.
• Durable Alloy Steel: Designed for high torque diesel applications.
• Maintains Timing Integrity: Ensures accurate camshaft and fuel pump synchronization.

Fitment

• 2003–2007 Dodge Ram 2500/3500 5.9L Cummins (common rail CP3 injection)
• 2007.5–2018 Dodge Ram 2500/3500 6.7L Cummins (common rail CP3 injection)
• Also fits select Cummins ISB industrial engines – verify part number

Cross Reference Part Numbers

• Cummins 5273412
• Replaces: 3942743, 4939962
• Interstate McBee M-5273412

Frequently Asked Questions

Should I replace the crank gear during an engine rebuild?

Yes. Cummins recommends replacing crankshaft gears during full overhauls or when excessive wear is detected to maintain timing accuracy.

Does this gear require pressing on?

Yes. Installation requires a hydraulic press and correct alignment procedure per Cummins service guidelines.

Will this fit 12-valve Cummins engines?

No. This gear is specific to common rail 5.9L and 6.7L Cummins engines from 2003–2018.

Tags

cummins 5273412, crankshaft drive gear cummins, 5.9 cummins crank gear, 6.7 cummins crank gear, OEM cummins timing gear, dodge ram crankshaft drive gear, common rail cummins crank gear, CP3 cummins crankshaft gear, diesel timing drive gear