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INTERSTATE MCBEE

INTERSTATE-MCBEE M-3910810 EXHAUST ROCKER LEVER 89–98 DODGE RAM 5.9L CUMMINS (AFTERMARKET REPLACEMENT)

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SKU:
MCBM-3910810
MPN:
M-3910810
Shipping:
Calculated at Checkout
$34.43

Description

Interstate-McBee M-3910810 Exhaust Rocker Lever – 89–98 5.9L Cummins (12-Valve)

Restore smooth valve operation on your 1989–1998 Dodge Ram 5.9L Cummins 12-valve with this OEM-style exhaust rocker lever from Interstate-McBee. Built to OEM dimensions for direct fit and dependable service life—ideal for maintenance or full top-end refreshes.

  • Direct-fit replacement: Installs in the factory location for quick, precise alignment.
  • OEM-equivalent quality: Manufactured to meet or exceed original specs for consistent performance.
  • Durable steel construction: Designed for heavy-duty diesel cycling and long wear life.
  • Budget-friendly: Aftermarket value with proven reliability versus OEM-boxed parts.

Specifications

Brand Interstate-McBee
Part Number M-3910810
OEM Cross-Reference Cummins 3910810
Application Exhaust rocker lever (rocker arm), valvetrain
Engine Cummins 5.9L B-Series, 12-Valve (6BT/early ISB)
Material Steel
Position Exhaust

Vehicle Fitment

Always verify with your engine serial number (ESN) for best results.

  • 1989–1993 Dodge D250, D350, W250, W350 – 5.9L Cummins 12V
  • 1994–1998 Dodge Ram 2500, Ram 3500 – 5.9L Cummins 12V

What’s Included

  • (1) Exhaust rocker lever, M-3910810

Install Notes

  • Inspect pushrods, bridges, pedestals, and rocker shafts; replace worn components.
  • Lubricate contact points and follow the Cummins service manual for torque & lash settings.
  • After installation, set valve lash to spec on a cold engine and re-check after initial run-in.

Warranty

Interstate-McBee new diesel engine parts carry manufacturer warranty coverage (typically up to 24 months from installation). See official policies or contact us for specific coverage on valvetrain components.

Cross-Sell & Complements

  • Intake Rocker Lever – Interstate-McBee M-3910811
  • Valve Spring Keepers (M-3900250) and Retainers (M-3900299)
  • Head Gasket, Pushrods, Rocker Shaft Assemblies, Pedestals

Why Buy From CPP Diesel

  • ESN-verified fitment support from real diesel techs
  • Fast shipping, easy returns, and competitive pricing
  • Curated B-Series catalog to complete your repair in one order

FAQ

Will this fit all 1989–1998 5.9L Cummins 12-valve trucks?
Yes, it is listed for 1989–1998 Dodge 5.9L Cummins applications. Verify with ESN for edge cases and mixed-year builds.
Is this an OEM part?
No, this is an aftermarket OEM-style part by Interstate-McBee. The OEM cross-reference is Cummins 3910810.
Do I need to replace the intake rocker at the same time?
It’s not required, but recommended to inspect/replace the companion intake rocker (M-3910811) and related hardware for balanced wear.
What valve lash should I set after install?
Follow the Cummins service manual for your exact engine. Typical 12-valve 5.9L specs are engine-specific—always confirm and adjust on a cold engine.
What’s the warranty?
Interstate-McBee provides manufacturer warranty coverage on new diesel engine parts (commonly up to 24 months from installation). Contact us for exact terms.
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