Product Description
Genuine Cummins
Cummins 3928759 — Tappet Cover Grommet Seal (6 Required)
MPN: 3928759 | Also Known As: tappet cover grommet, cover bolt grommet | Cross-Refs (ID only): 3924447, 3914655
Why This Part
- ✓ OE sealing grommet for the tappet cover to prevent oil weep.
- ✓ Direct-fit for 1998.5–2002 Ram 5.9L ISB 24-valve (VP44).
- ✓ Sold individually; 6 required per engine (replace as a set).
- ✓ Genuine Cummins elastomer for long life and leak-free service.
OE Fit Stock Replacement 6 Per Engine
Quick Specs
| Type | Tappet cover bolt grommet (seal) |
|---|---|
| OE Part # | 3928759 |
| Qty Required | 6 per engine (sold individually) |
| Material | OE-spec elastomer (Cummins) |
Verified Fitment (Automotive)
| Year Range | Engine | Chassis |
|---|---|---|
| 1998.5–2002 | Ram 5.9L ISB 24V (VP44) | Ram 2500/3500 |
Industrial/Off-Highway: B-Series 5.9L/ISB applications also use this grommet—always confirm by ESN.
Often Paired With
- Tappet Cover Gasket: 3284623 (’89–’02)
- Tappet Cover Bolts: 3900629 (’98.5–’02)
- Fresh engine oil & filter after sealing repairs if contamination present
What’s In The Box
- (1) Genuine Cummins Tappet Cover Grommet Seal (3928759)
- Sold individually; order qty 6 per engine
Install Tips
- Clean the cover and bolt bores; lightly oil the new grommets before seating.
- Torque bolts to spec in a criss-cross sequence to ensure even compression.
- Inspect the cover for warpage; replace gasket (3284623) if reusing the cover.
FAQ
WILL THIS FIT MY 1998.5–2002 24-VALVE CUMMINS RAM?Yes—this grommet fits the tappet cover on 1998.5–2002 Ram 2500/3500 5.9L ISB 24-valve engines (verify by VIN/ESN).
HOW MANY GROMMETS DO I NEED?Six grommets are used per engine; this item is sold individually.
WHAT OTHER PARTS SHOULD I REPLACE?Replace the tappet cover gasket (3284623) and inspect/replace the bolts (3900629) if corroded or damaged.
IS THIS A GENUINE CUMMINS PART?Yes—OE Cummins 3928759 for correct fit and sealing performance.
DOES THIS ALSO FIT INDUSTRIAL B-SERIES ENGINES?Yes—many B-Series/ISB 5.9L industrial engines use this grommet; confirm by Engine Serial Number.
Product Videos
Custom Field
Vehicle Year 1998.5,1999,2000,2001,2002
Vehicle Make DODGE
ENGINE 5.9L
Part Type Grommet/Seal for Tappet Cover Bolt
