Product Description
Cummins 3923096 — Sealing Washer for Oil Pan Drain Plug
MPN: 3923096 | Also Known As: oil drain plug washer, sealing washer | Use Case: OE seal for the drain plug on B-Series applications (commonly 5.9L Ram 1994–2002).
Why This Part
- ✓ OE sealing to prevent oil drips at the pan drain.
- ✓ Direct replacement for the factory washer on many 5.9L Cummins pans.
- ✓ Helps maintain oil system integrity after service.
- ✓ Backed by Genuine Cummins quality.
Quick Specs
| Type | Sealing washer for oil drain plug |
|---|---|
| OE Part # | 3923096 |
| Typical Dimensions* | ~1.38" OD x ~0.13" thick (for identification) |
| Qty Required | 1 per plug (replace at oil changes or if leaking) |
*Dimensions shown by retailers for identification/packaging only; confirm by VIN/ESN or plug P/N.
Verified Fitment (Automotive)
| Year Range | Engine | Chassis |
|---|---|---|
| 1994–2002 | 5.9L Cummins (12V ’94–’98 / 24V ’98.5–’02) | Ram 2500/3500 |
Notes: Often paired with OE drain plug 3926910. Industrial B-Series applications also use 3923096—confirm by ESN.
Often Paired With
- Drain Plug: Cummins 3926910 (’94–’02 typical)
- Fresh engine oil & filter after service
- Brake clean & rags to ensure clean sealing surfaces
What’s In The Box
- (1) Genuine Cummins Sealing Washer (3923096)
- Drain plug sold separately (see “Often Paired With”).
Install Tips
- Clean pan and plug faces; inspect for nicks or gouges.
- Install a new washer at each oil change for best sealing.
- Tighten drain plug to factory spec; check for seepage after warm-up.
FAQ
WILL THIS FIT MY 1994–2002 5.9L CUMMINS RAM?Yes—3923096 is commonly used on 2nd-gen 5.9L pans. If your pan or plug has been swapped, verify by VIN/ESN or drain plug P/N.
WHAT DRAIN PLUG DOES THIS WASHER MATCH?Typically pairs with Cummins drain plug 3926910 on 1994–2002 Rams.
IS THIS A GENUINE CUMMINS PART?Yes—OE Cummins 3923096 sealing washer.
CAN I REUSE THE OLD WASHER?Not recommended. Replacing the washer helps prevent drips and ensures a reliable seal after each service.
DO INDUSTRIAL B-SERIES ENGINES USE THIS WASHER?Many do. Cummins catalogs note 3923096 is used widely on B-Series (including Tier 3). Confirm by ESN.
