Product Description
Interstate-McBee M-3920779 Cylinder Head Bolt – Short | 1989–1998 5.9L Cummins 12-Valve (Aftermarket Replacement)
Quality replacement short-length cylinder head bolt for the 1989–1998 Dodge Ram 2500/3500 with the 5.9L Cummins 12-valve (6BT). Built to OE form and fit to clamp the head and gasket reliably under stock operating conditions. Sold individually.
- Direct fit: Matches OE dimensions for correct length and thread engagement.
- Durable construction: Heat-treated alloy steel for consistent clamping force.
- Service-friendly: Ideal for stock rebuilds or head gasket service.
- Value: Interstate-McBee quality at a practical price point.
Specifications
| Brand | Interstate-McBee |
| Part Number | M-3920779 |
| Type | Cylinder head bolt — Short |
| Application | 5.9L Cummins 12-valve (6BT), 1989–1998 |
| Sold As | Each (1 bolt) |
| Position | Head fastener (short-length locations; see service manual) |
What’s Included
- (1) Short cylinder head bolt, P/N M-3920779
Fitment
Always verify by engine serial number (ESN) when possible.
- Dodge Ram 2500/3500 with 5.9L Cummins 12-valve (1989–1998)
- Other B-Series applications where Cummins reference 3920779 is specified
Notes & Installation Tips
- The 12-valve uses both short and long head bolts. Confirm each bolt’s location and length before installation.
- Clean block and head threads; chase if necessary. Remove debris and old sealant.
- Lightly oil the threads and under-head bearing surface only if specified by your service manual. Do not over-lubricate.
- Follow the factory torque sequence and multi-stage procedure exactly. Refer to the Cummins service manual for torque values.
- Replace any fastener that shows corrosion, thread damage, or stretch.
Recommended/Related Parts
- Long cylinder head bolt (companion part for long locations)
- Cylinder head gasket (12-valve)
- Washer/seal as required by OE spec
- Head alignment dowels (if servicing)
Why Buy From CPP Diesel
- ESN-verified fitment support from diesel specialists
- Fast shipping and easy returns
- Extensive inventory for Cummins B-Series top-end service
FAQ
Is this the correct bolt for all positions?
No. The engine uses short and long bolts. This listing is for the short bolt. Match each bolt to the correct location per the service manual.
How many bolts does the engine need?
Total fastener count and short/long distribution vary by application. Consult the Cummins service manual and verify by ESN.
Are these torque-to-yield (TTY)?
Follow the Cummins service manual for torque method and reuse guidelines. Replace any suspect or over-stretched bolts.
