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INTERSTATE MCBEE

INTERSTATE-MCBEE M-3929027 CRANKSHAFT GEAR 89-02 5.9L CUMMINS (AFTERMARKET REPLACEMENT)

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SKU:
MCBM-3929027
MPN:
M-3929027
Shipping:
Calculated at Checkout
$79.99

Description

Interstate-McBee M-3929027 Crankshaft Gear – 89–02 5.9L Cummins

OEM-style front crankshaft timing gear engineered by Interstate-McBee for 1989–2002 Dodge Ram 2500/3500 5.9L Cummins applications (12-valve & 24-valve). Built for precise valve-train synchronization, quiet operation, and long service life.

  • Direct-fit replacement: Matches OEM Cummins 3929027 form, fit & function.
  • Durable steel construction: Precision-machined teeth for consistent timing and wear resistance.
  • Aftermarket value: Interstate-McBee quality at substantial savings vs. OEM.
  • Application-ready: Designed specifically for 5.9L B-Series (1989–2002) truck platforms.

Specifications

Brand / Part No. Interstate-McBee M-3929027
OEM Cross-Reference Cummins 3929027
Additional Cross-Refs (common) 3912883, 3919681
Position Front crankshaft timing gear
Tooth Count 36
Material Hardened steel
Shipping Weight (approx.) ~2.0 lb

What’s Included

  • (1) Crankshaft gear, M-3929027

Vehicle Fitment

Always verify by engine serial number (ESN) for edge-case builds.

  • Dodge Ram 2500/3500 – 5.9L Cummins (B-Series)
    • 1989–1993 12-Valve 6BT
    • 1994–1998 12-Valve 6BT (P-pump)
    • 1998.5–2002 24-Valve ISB

Install Notes

  • Lock timing and mark references before removal; verify timing marks on reassembly.
  • Inspect crank nose, keyway, and mating surfaces; replace front seal if worn.
  • Follow the Cummins service manual for torque values and procedures.

Warranty

Interstate-McBee new engine components include manufacturer warranty coverage. For exact terms and eligibility, please contact us or refer to the current Interstate-McBee policy.

Why Buy From CPP Diesel

  • ESN-verified fitment support from diesel techs
  • Fast shipping, easy returns
  • Deep B-Series catalog for complete timing/front-gear service

FAQ

Will this fit both 12V and 24V 5.9L Cummins?
Yes—this gear is listed for 1989–2002 5.9L B-Series applications covering 12-valve and early 24-valve ISB engines.
How many teeth does the gear have?
36 teeth (front crankshaft gear).
Is the OEM cross-reference 3929027?
Correct. Interstate-McBee M-3929027 is an aftermarket replacement for Cummins 3929027.
What else should I replace while I’m in there?
Common add-ons include the front crank seal, timing cover gasket, and gear housing gasket. Inspect the keyway for wear.
Does this include the key/bolt?
No—this listing is for the gear only. Reuse or replace hardware per the Cummins manual.
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Additional Information

YEAR:
1989-2002
MAKE:
DODGE
ENGINE:
5.9L
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