Product Description
Interstate-McBee M-3904166 Engine Repair Sleeve – 1989–2007 5.9L Cummins B-Series
Quality cylinder repair sleeve for the 5.9L Cummins B-Series (12-valve and ISB 24-valve). Ideal for restoring a damaged cylinder to proper form and sealing without replacing the engine block. Sold individually.
- Precision manufactured: Maintains correct geometry for reliable sealing and ring seating.
- OE-style fit: Designed around Cummins reference 3904166 for B-Series applications.
- Cost-effective repair: Salvage blocks with scoring, cavitation, or minor damage.
- Shop friendly: Compatible with standard press-fit service procedures and final bore/hone.
Specifications
| Brand | Interstate-McBee |
| Part Number | M-3904166 |
| OEM Reference | Cummins 3904166 |
| Application | 5.9L Cummins B-Series (12V & ISB 24V) |
| Sold As | Each (1 repair sleeve) |
| Machining Required | Yes — finish bore/hone after installation |
What’s Included
- (1) Engine repair sleeve, P/N M-3904166
Vehicle/Engine Fitment
Always verify by engine serial number (ESN) and service data for your specific block casting.
- 5.9L Cummins 12-valve (6BT): 1989–1998
- 5.9L Cummins ISB 24-valve (VP44): 1998.5–2002
- 5.9L Cummins ISB Common Rail: 2003–2007
Recommended/Related Parts
- Piston & ring set (standard or oversize, to match final bore)
- Head gasket set & head bolts/studs
- Coolant, oil, and installation consumables
Install Notes
- Professional machine-shop installation is strongly recommended.
- Block must be inspected, cleaned, and measured; sleeve is installed with proper interference fit.
- Finish to the target cylinder size (standard or oversize) and hone to specification.
- Check deck flatness, sleeve protrusion/flushness per Cummins service procedures.
- Replace piston/rings to match the final finished bore; verify clearances.
FAQ
How many sleeves does my engine need?
Order one sleeve per cylinder being repaired. The 5.9L has six cylinders; sleeves are sold individually.
Will this work with standard pistons?
Yes, if the cylinder is finished back to standard size. If you bore oversize, match with oversize pistons and rings.
Is machining required?
Yes. The sleeve must be installed and then final bored/honed to the correct specification.
Why Buy From CPP Diesel
- Diesel specialists with ESN-verified fitment support
- Fast shipping and easy returns
- Extensive inventory for Cummins B-Series top-end and bottom-end repairs
