Product Description
Cummins 3937748 — Engine Oil Dipstick (Blade Style, ~47")
MPN: 3937748 | Also Known As: oil level dipstick | Supersedes/Replaces: 3946313, 3947228, 3947553; Mopar 5017784AC, 5010964AB
Why This Part
- ✓ OE accuracy for proper 5.9L oil level readings on 2nd-gen trucks.
- ✓ Direct-fit for 2001–2002 Ram 5.9L ISB (24V).
- ✓ Blade-style ~47" length matches factory spec.
- ✓ Durable handle and blade to resist heat/warp.
Quick Specs
| Type | Engine oil level dipstick |
|---|---|
| OE Part # | 3937748 |
| Length / Style | ~47" blade-style (factory spec) |
| Qty Required | 1 per engine (sold individually) |
Verified Fitment (Automotive)
| Year Range | Engine | Chassis |
|---|---|---|
| 2001–2002 | Ram 5.9L ISB (24V) | Ram 2500/3500 |
Notes: This superseded dipstick often requires the updated dipstick tube 3937749 if replacing the entire assembly. If only your handle is broken, many installers swap the handle onto the original dipstick to keep the original tube.
Often Paired With
- Dipstick Tube: Cummins 3937749 (’01–’02 5.9L, updated tube for this dipstick)
- Fresh oil & filter after any oil system service
What’s In The Box
- (1) Genuine Cummins Engine Oil Dipstick (3937748)
- Dipstick tube sold separately (see “Often Paired With”).
Install Tips
- If replacing the full dipstick, use tube 3937749 for proper length/seating.
- Warm engine, park level, and check oil per factory procedure.
- If readings seem off, inspect the tube and sealing grommet for damage.
FAQ
WILL THIS FIT MY 2001–2002 5.9L CUMMINS RAM?Yes—3937748 is the OE dipstick for 2001–2002 5.9L ISB Ram 2500/3500 (verify by VIN/ESN).
WHAT IS THE STYLE AND LENGTH?Blade-style dipstick, approximately 47" in length to match factory spec.
DO I NEED THE MATCHING DIPSTICK TUBE?Often yes. The updated dipstick typically pairs with tube 3937749 if you’re replacing the entire assembly. If only your handle is broken, many installers transfer the new handle to the original dipstick.
WHAT NUMBERS DOES THIS SUPERSEDE?Common superseded/related numbers include 3946313, 3947228, 3947553 and Mopar 5017784AC, 5010964AB.
IS THIS A GENUINE CUMMINS PART?Yes—OE Cummins 3937748 for accurate oil level readings and proper fit.
