Cummins 3923128 — Genuine Engine Oil Dipstick for 5.9L (12-Valve)

MPN: 3923128  |  Also Known As: engine oil level dipstick, oil gauge  |  Cross-Ref (ID only): Mopar 4883345

Genuine Cummins engine oil dipstick designed for accurate oil-level checks on 1996–1998 Ram 5.9L 12-valve (6BT/ISB). Factory length and markings for precise readings; direct drop-in with the OEM press-in dipstick tube. Sold individually (1 per engine).

Features & Benefits

• OE length & markings for accurate oil-level measurement.
• Direct-fit replacement for 1996–1998 5.9L 12-valve Ram applications.
• Durable construction with factory-style handle and blade.
• Restores correct service routine after broken/missing dipstick.
• Genuine Cummins part for fit, function, and longevity.

Verified Fitment (Automotive)

Industrial/Off-Highway: Used primarily on non-certified 5.9L B-Series engines; verify by ESN before ordering.

Specifications

• Type: Engine oil level dipstick (blade style)
• OE Part Number: 3923128
• Cross-Ref (ID): Mopar 4883345
• Quantity Required: 1 per engine (sold individually)

Often Paired With

• Dipstick Tube: Cummins 3923035 (press-in metal tube, ’89–’98 5.9L)
• Fresh oil & filter: good practice after contamination or engine work

What’s In The Box

• (1) Genuine Cummins Engine Oil Dipstick (3923128)

Installation Tips

• Inspect the tube for kinks/corrosion; replace with PN 3923035 if needed.
• Route the dipstick carefully to avoid contact with rotating components.
• Push the handle fully home to the stop for consistent readings; check level hot (after a brief wait) on level ground.

FAQ

WILL THIS FIT MY 1996–1998 12-VALVE 5.9L RAM?

Yes—3923128 is the OE engine oil dipstick for ’96–’98 5.9L 12-valve Ram 2500/3500. Confirm by VIN/ESN if unsure.

DOES THIS INCLUDE THE DIPSTICK TUBE?

No—the tube is sold separately. The correct press-in tube is Cummins 3923035 for ’89–’98 5.9L.

WHAT ABOUT EARLIER ’89–’95 OR LATER ’98.5–’02 TRUCKS?

Some catalogs list broader ’89–’98 coverage, but the clean drop-in match for Ram trucks is ’96–’98 12-valve. Earlier/later years may use different sticks—match by VIN/ESN and tube style.

IS THIS A GENUINE CUMMINS PART?

Yes—OE Cummins part 3923128 for correct length and markings.

HOW DO I CONFIRM I HAVE THE RIGHT LENGTH?

Verify the part number on your existing dipstick when possible, and ensure the stick seats fully in an undamaged 3923035 tube. If lengths differ, measure from the stopper to the tip and compare with Cummins service data for your ESN.