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CUMMINS

CUMMINS 3904483 OEM CRANKSHAFT GEAR ALIGNMENT DOWEL PIN – 5.9L (1989–2002)

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SKU:
CUM3904483
MPN:
3904483
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  • CUMMINS 3904483 OEM CRANKSHAFT GEAR ALIGNMENT DOWEL PIN – 5.9L (1989–2002)
  • CUMMINS 3904483 OEM CRANKSHAFT GEAR ALIGNMENT DOWEL PIN – 5.9L (1989–2002)
  • CUMMINS 3904483 OEM CRANKSHAFT GEAR ALIGNMENT DOWEL PIN – 5.9L (1989–2002)
  • CUMMINS 3904483 OEM CRANKSHAFT GEAR ALIGNMENT DOWEL PIN – 5.9L (1989–2002)
  • CUMMINS 3904483 OEM CRANKSHAFT GEAR ALIGNMENT DOWEL PIN – 5.9L (1989–2002)
$5.28
724-785-4022

Description

Genuine Cummins

Cummins 3904483 — Crankshaft Gear Alignment Dowel Pin

MPN: 3904483  |  Also Known As: dowel pin, roll pin, crank gear alignment pin  |  Cross-Refs (ID only): 3901016

Why This Part

  • ✓ Locks the crankshaft gear in place for factory-correct timing during assembly/service.
  • ✓ OE dimensions & hardness for a precise, interference-fit in the crank gear.
  • ✓ Ideal during rebuilds or timing gear service to prevent gear slippage and wear.
  • ✓ Genuine Cummins pin—no guesswork on fitment.
OE Fit Critical Timing Part 1 Per Gear Service

Quick Specs

Type Crankshaft gear alignment dowel (roll pin)
OE Part # 3904483 (alt. ref: 3901016)
Dimensions ~0.236" dia × 0.312" long (≈6 mm × 8 mm)
Quantity Sold individually

Verified Fitment (Automotive)

Year RangeEngineChassis
1989–1993 5.9L 12-Valve (VE) D/W 250–350 / Early Ram
1994–1998 5.9L 12-Valve (P7100) Ram 2500/3500
1998.5–2002 5.9L 24-Valve (VP44) Ram 2500/3500

Notes: Intended for B-Series 5.9L applications through 2002. Some industrial B-Series and later engines also use 3904483—verify by ESN before ordering.

Often Paired With

  • Crankshaft Gear (5.9L 1989–2002): Cummins 3929027
  • Front cover/timing service parts (seals, gaskets, fasteners)

What’s In The Box

  • (1) Genuine Cummins Crankshaft Gear Alignment Dowel Pin (3904483)

Install Tips

  • Inspect the crank gear bore; replace the gear if out-of-round or damaged.
  • Press/drive the dowel squarely; confirm full seating and alignment before torqueing the crank gear.
  • Follow Cummins service procedures; verify by ESN.

FAQ

WILL THIS FIT MY 5.9L 12-VALVE OR 24-VALVE?

Yes—fits 1989–1998 12-valve and 1998.5–2002 24-valve 5.9L B-Series applications (verify by VIN/ESN).

IS THIS THE PIN THAT LOCATES THE CRANKSHAFT GEAR?

Correct—this dowel/roll pin indexes the crank gear to prevent rotation and preserve timing during operation.

WHAT ARE THE DIMENSIONS?

Approx. 6 mm (0.236") diameter × 8 mm (0.312") length—OE spec for an interference fit.

IS 3901016 THE SAME THING?

3901016 is a commonly listed related number/cross-reference for this dowel pin.

IS THIS A GENUINE CUMMINS PART?

Yes—OE Cummins 3904483 for proper fit and durability.

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Additional Information

MAKE:
DODGE RAM
YEAR:
1989,1990,1991,1992,1993,1994,1995,1996,1997,1998,1999,2000,2001,2002,2003,2004,2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016
ENGINE:
5.9L,6.7L
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