Product Description
Genuine Cummins
Cummins 3284377 — Valve Push Rod for B-Series (5.9L 12-Valve & 4BT)
MPN: 3284377 | Also Known As: pushrod, valve push rod | Cross-Refs (ID only): 3901898, 3904364, 3904679, 3923262
Why This Part
- ✓ OE geometry & metallurgy for reliable valve-train motion.
- ✓ Direct-fit on 5.9L 12-valve (’89–’98) and many 4BT 3.9L applications.
- ✓ Sold individually—order the exact quantity you need.
- ✓ Built to Cummins standards for long service life.
OE Fit Stock Replacement Hardened Steel
Quick Specs
| Type | Valve push rod (intake/exhaust), 2-valve head |
|---|---|
| OE Part # | 3284377 |
| Quantity Required | 12 per 5.9L 6-cyl 12-valve · 8 per 4BT 4-cyl 2-valve (sold individually) |
| Applications | Cummins B-Series: 6BT 5.9L 12-valve; 4BT 3.9L (verify by ESN) |
Verified Fitment (Automotive)
| Year Range | Engine | Chassis |
|---|---|---|
| 1989–1998 | 5.9L 12-Valve (6BT, VE & P7100) | Dodge/Ram 2500 & 3500 |
Industrial/Off-Highway: Common on 3.9L 4BT and other B-Series equipment engines—verify by ESN before ordering.
Often Paired With
- Rocker levers/shafts (inspect for wear)
- Valve cover gasket (replace if brittle)
- Head gasket set if the head is off for service
What’s In The Box
- (1) Genuine Cummins Valve Push Rod (3284377)
Install Tips
- Check each push rod for straightness and end wear; replace as a set if multiple are damaged.
- Verify cup/ball ends are seated in lifter and rocker sockets before torque.
- Set valve lash to factory spec and re-check after initial heat cycle.
FAQ
HOW MANY PUSH RODS DOES MY ENGINE NEED?A 5.9L 12-valve (6BT) uses 12 push rods; a 3.9L 4BT (2-valve) uses 8. This item is sold individually.
WILL THIS FIT MY 1989–1998 5.9L 12-VALVE RAM?Yes—this is the OE push rod used on 1989–1998 5.9L 12-valve trucks. Always verify by VIN/ESN.
IS THIS COMPATIBLE WITH 4BT ENGINES?Yes—commonly used on 3.9L 4BT 2-valve engines in industrial and swap applications. Confirm by ESN.
IS THIS A GENUINE CUMMINS PART?Yes—OE Cummins 3284377 with correct dimensions and hardness for B-Series valvetrain.
SHOULD I REPLACE ANYTHING ELSE WITH PUSH RODS?Inspect rocker tips, lifters, and cam lobes. Replace worn components and set valve lash after install.
Product Videos
Custom Field
Vehicle Year 1989-1998
Vehicle Make DODGE
ENGINE 5.9L 12V CUMMINS
