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INTERSTATE MCBEE

INTERSTATE-MCBEE M-3934047 PISTON PIN 04.5–07 5.9L CUMMINS (AFTERMARKET REPLACEMENT)

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SKU:
MCBM-3934047
MPN:
M-3934047
Shipping:
Calculated at Checkout
$14.65

Description

Interstate-McBee M-3934047 Piston (Wrist) Pin – 04.5–07 5.9L Cummins

OEM-size replacement piston/wrist pin engineered for late-2004 (04.5) through 2007 5.9L Cummins ISB common-rail engines. Built to factory dimensions for a precise press-fit in piston/rod assemblies. Sold individually; six (6) required per engine.

  • Direct-fit, factory size: Matches OEM Cummins 3934047 dimensions for proper clearance and durability.
  • Quality materials: Hardened, precision-ground pin for stable operation under diesel loads.
  • Service-friendly: Compatible with OEM-style retaining clips (3920691, sold separately).
  • Aftermarket value: Interstate-McBee reliability at a budget-friendly price point.

Specifications

Manufacturer Part # M-3934047 (Interstate-McBee)
OEM Cross-Reference 3934047 (Cummins)
Engine 5.9L Cummins ISB (24-valve, common rail)
Model Years 2004.5–2007
Position Piston / wrist pin
Sold As Individual pin
Qty Required Per Engine 6
Related Hardware Wrist pin retaining clip 3920691 (sold separately)

What’s Included

  • (1) Interstate-McBee piston/wrist pin, part # M-3934047

Vehicle Fitment

Always verify by engine serial number (ESN) for exact applications.

  • Dodge Ram 2500/3500 — 2004.5, 2005, 2006, 2007 with 5.9L Cummins ISB (24V common rail)

Install Notes

  • Use new retaining clips (3920691) during reassembly; replace any worn pistons/rods as needed.
  • Lubricate pin and bushings; verify clearances per Cummins service manual.
  • Observe correct orientation and press-fit procedures to avoid bore damage.

Warranty

Interstate-McBee new engine components include manufacturer warranty coverage. Contact us for exact terms and assistance with ESN validation before purchase.

Why Buy From CPP Diesel

  • ESN-verified fitment support from real diesel techs.
  • Fast shipping options and hassle-free returns.
  • Deep 5.9L Cummins parts selection for complete overhauls.

FAQ

Will M-3934047 fit my 2003 or early-2004 5.9L?
No. This pin is listed for 2004.5–2007 ISB common-rail engines. Earlier 5.9L years typically use a different pin (e.g., M-3934048).
How many pins do I need for a full engine?
Six (6) — one per cylinder. Pins are sold individually.
Are the retaining clips included?
Retaining clips are sold separately. The common OEM clip is 3920691; Interstate-McBee and Cummins versions are available.
Is this an oversize pin?
No. It’s factory size (standard). If your pistons/rods are worn or aftermarket, verify sizes before ordering.
What’s the OEM cross-reference?
Cummins 3934047 is the direct OEM reference for this Interstate-McBee pin.
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Additional Information

YEAR:
2004.5-2007
MAKE:
DODGE
ENGINE:
5.9L
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