Product Description
Interstate-McBee M-3929028 Camshaft Gear – 89–00 5.9L Cummins (Aftermarket Replacement)
Direct-fit camshaft timing gear for the 1989–2000 Dodge Ram 2500/3500 with the 5.9L Cummins B-series. Built to OE form and fit for reliable timing drive. Sold individually.
- OE-style replacement: Matches factory geometry for proper camshaft timing.
- Durable construction: Precision-machined steel for long service life.
- Service friendly: Ideal when refreshing high-mileage valvetrain/timing components.
- Value: Interstate-McBee quality without OEM boxed pricing.
Specifications
| Brand | Interstate-McBee |
| Part Number | M-3929028 |
| OEM Reference | Cummins 3929028 |
| Application | Camshaft timing gear (valvetrain/timing drive) |
| Sold As | Each (1 gear) |
What’s Included
- (1) Camshaft gear, P/N M-3929028
Vehicle Fitment
Always verify by engine serial number (ESN) and parts catalog for your specific build.
- Dodge Ram 2500/3500 5.9L Cummins B-series
- Model Years: 1989–2000 (as specified for this listing)
- Engine Families: 12-valve and early 24-valve applications where Cummins 3929028 is called out
Recommended/Related Parts
- Camshaft bolt and washer (replace if worn)
- Camshaft key (inspect for wear/fit)
- Front cover gasket & crank seal
- Idler gear(s) & crankshaft gear (inspect during service)
- Camshaft thrust plate and fasteners
Install Notes
- Disconnect batteries; follow factory timing and torque procedures.
- Align timing marks precisely before removal and during installation.
- Inspect keyway/shaft taper for wear; replace damaged components.
- Verify backlash and gear mesh with all timing gears per service manual.
Why Buy From CPP Diesel
- ESN-verified fitment assistance from diesel specialists
- Fast shipping, easy returns, competitive pricing
- Deep inventory of B-series timing and valvetrain parts
FAQ
Is this a direct replacement for Cummins 3929028?
Yes. This Interstate-McBee part cross-references Cummins 3929028. Confirm by ESN and catalog for your exact engine build.
Do I need any special tools?
A proper puller/installer and torque tools are recommended. Follow the Cummins service manual for timing and torque specs.
Should I replace other gears at the same time?
It’s good practice to inspect the crank, idler, and accessory gears for wear. Replace any components that are out of spec.
