Interstate-McBee M-3900919 Connecting Rod Cap Screw – 89–02 5.9L Cummins

Premium aftermarket connecting rod cap screw engineered by Interstate-McBee for 1989–2002 5.9L Cummins B-Series engines. Direct-fit replacement for OEM Cummins 3900919. Sold individually; 12 bolts are required for a complete engine. This is a torque-to-yield (TTY) fastener and should not be reused.

• OEM-style fit: Interchanges with Cummins 3900919 for B-Series 5.9L applications.
• Aftermarket value: Interstate-McBee quality at a lower cost than OEM.
• TTY design: Single-use hardware—replace anytime a rod is serviced.
• Sold individually: Order 12 per engine (2 per connecting rod).

Specifications

Vehicle Fitment

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

• Dodge Ram 2500/3500 – 5.9L Cummins
  • 1989–1993 12-Valve 6BT
  • 1994–1998 12-Valve 6BT
  • 1998.5–2002 24-Valve ISB

Installation Notes

• Follow the Cummins service manual for torque + angle procedure and sequence.
• Do not reuse TTY rod bolts; replace whenever loosened or removed.
• Inspect rod and cap bores; verify bearing crush and side clearance after installation.

Warranty

New Interstate-McBee engine parts are warranted against defects for 24 months from the date of installation. See manufacturer policy for details.

Why Buy From CPP Diesel

• Diesel-specialist support to confirm ESN-specific compatibility.
• Fast shipping and easy returns.
• Deep selection of complementary 5.9L bottom-end components.

FAQ