Interstate-McBee M-3910811 Intake Rocker Lever – 89–98 5.9L Cummins (12-Valve)

OEM-style intake rocker lever engineered for the legendary 1989–1998 Dodge Ram 2500/3500 5.9L Cummins 12-valve (6BT). Interstate-McBee’s precision build delivers reliable valve-train motion, stable lash settings, and long service life—at a value price versus OEM.

• Direct fit: Replaces Cummins 3910811 with OEM-equivalent geometry and finish.
• Built for durability: Tight tolerances for smooth pivot action and consistent valve timing.
• Aftermarket value: Interstate-McBee quality at a fraction of genuine OEM cost.
• Service friendly: Pairs with new adjuster screw and lock nut for proper lash setup.

Specifications

Vehicle Fitment

Always confirm by engine serial number (ESN) for the most accurate fitment.

• Dodge Ram 2500/3500, 5.9L Cummins 12V (6BT)
  • 1989–1993 (VE-pump 12V)
  • 1994–1998 (P-pump 12V)
• Notes: Also used across many B-Series/industrial applications; verify by ESN.

Recommended Companion Parts

• Rocker lever adjuster screw & lock nut (e.g., M-3900706)
• Rocker lever exhaust mate (M-3910810) if refreshing a full bank
• Rocker shaft/pedestal hardware as needed

Installation Notes

• Inspect rocker shaft, pedestal, and pushrod tips; replace worn components.
• Set valve lash to factory spec on a cold engine; re-check after initial heat cycle.
• Follow Cummins service manual procedures for torque and sequence.

Warranty

Covered by Interstate-McBee’s aftermarket parts warranty. For coverage details and terms, contact our team.

Why Buy From CPP Diesel

• ESN-verified fitment support by real diesel techs
• Fast shipping and hassle-free returns
• Deep catalog of B-Series valvetrain, gaskets, and hardware

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