Product Description
Cummins 3928740 — Genuine Engine Oil Dipstick
MPN: 3928740 | Also Known As: oil gauge, oil level dipstick | Replaces / Cross-Refs (ID): Cummins 3926164; Mopar 4796874
Restore an accurate oil-level reading with the genuine Cummins 3928740 dipstick. This OE blade-style dipstick is the direct replacement for 1994–1995 Ram 2500/3500 5.9L 12-valve applications. Correct length and factory handle for a clean, stock fit and look.
Features & Benefits
- Direct-fit OE part for 1994–1995 5.9L 12V—no trimming or guesswork.
- Blade-style stick with clear level marks for easy readings.
- Durable handle replaces aged/brittle originals.
- Correct overall length (~45") to match factory tube depth and oil-pan spec.
- Genuine Cummins quality and markings.
Verified Fitment (Automotive)
| Year Range | Engine | Chassis |
|---|---|---|
| 1994–1995 | 5.9L 12-Valve (P7100) | Ram 2500 / Ram 3500 |
Notes: Cummins catalogs 3928740 as an Oil Dipstick used primarily on B-Series engines (industrial Euro 2 family)—for equipment engines verify by ESN. Some retailers highlight 1994–1995 truck-specific coverage and list length at ~45 inches. Always match to your existing tube before ordering.
Specifications
- Type: Engine oil dipstick (blade style)
- OE Part Number: 3928740
- Overall Length: ~45 inches (for OEM tube depth)
- Handle: OE-style
- Quantity Required: 1 per engine
Often Paired With
- Dipstick tube (press-in metal): Cummins 3923035 (’89–’98 5.9L)
- Tube grommet/seal (replace if hardened or leaking)
- Fresh oil & filter (verify level after service)
What’s In The Box
- (1) Genuine Cummins Engine Oil Dipstick (3928740)
Installation Tips
- Confirm your truck’s OE dipstick tube part and seating depth.
- Warm engine, shut off, wait a few minutes, then check oil on level ground.
- If readings seem off, inspect the tube for pull-out height or damage.
- Replace a brittle tube or grommet to maintain correct stick depth and sealing.
FAQ
WILL THIS FIT MY 1994–1995 5.9L 12-VALVE RAM?
Yes—3928740 is listed by multiple diesel retailers specifically for 1994–1995 5.9L 12V trucks.
WHAT IS THE OVERALL LENGTH?
Approximately 45 inches, matching the ’94–’95 OE tube depth.
WHAT IF MY DIPSTICK TUBE IS DAMAGED?
Replace it with the OE press-in metal tube 3923035 and a fresh grommet/seal to ensure accurate readings.
ARE THERE OLDER/OTHER NUMBERS FOR THIS DIPSTICK?
Yes—retailers show prior references such as Cummins 3926164 and Mopar 4796874.
IS THIS A GENUINE CUMMINS PART?
Yes—OE Cummins 3928740 with factory markings.
