Product Description
Cummins 3924606 — Genuine Tappet Cover Noise Panel for 5.9L 12-Valve
MPN: 3924606 | Also Known As: pushrod/tappet cover noise panel, valvetrain noise shield | Cross-Refs (ID only): replaces 3924605; Interstate McBee M-3924606
OEM sound-dampening shield that mounts over the pushrod/tappet cover on 5.9L Cummins 12-valve engines. It reduces valvetrain noise and adds an extra barrier against debris and heat. Direct-fit for 1994–1998 Ram 2500/3500 5.9L 12V. Hardware typically re-used (see FAQ).
Features & Benefits
- Factory fit & NVH performance—engineered by Cummins to quiet valvetrain tick.
- Durable OE construction for heat, oil, and vibration resistance.
- Protects the tappet/pushrod cover from debris and incidental contact.
- Drop-in replacement—no modifications required on ’94–’98 12V applications.
Verified Fitment (Automotive)
| Year Range | Engine | Chassis |
|---|---|---|
| 1994–1998 | 5.9L 12-Valve (6BT) | Ram 2500/3500 |
Compatibility Notes:
- Does not fit 1998.5–2002 24-valve VP44 engines.
- Some B-Series industrial variants use noise panels—verify by ESN for non-automotive engines.
Specifications
- Type: Tappet/pushrod cover noise panel (sound-dampening shield)
- OE Part Number: 3924606 (replaces 3924605)
- Mounting Location: Over the pushrod/tappet (side) cover
- Typical ship dims/weight: ~26.75" L × 5" W × 1" H; ~1.65 lb (for packaging)
Often Paired With
- Tappet cover gasket: Cummins 3284623 (with optional grommet seals 4994848)
- Pushrod/tappet cover (if damaged): common Cummins cover reference 3911821
What’s In The Box
- (1) Genuine Cummins Tappet Cover Noise Panel (3924606)
- Mounting hardware not included; reuse OEM fasteners where applicable.
Installation Tips
- Confirm engine is a 5.9L 12-valve (1994–1998) before ordering.
- Clean mating areas; ensure the pushrod/tappet cover and gasket are in good condition.
- Reuse or replace hardware as needed; torque to factory spec.
FAQ
WILL THIS FIT MY 1994–1998 12-VALVE CUMMINS?
Yes—3924606 is the OEM noise panel for 1994–1998 Ram 2500/3500 with the 5.9L 12-valve engine.
DOES THIS FIT 1998.5–2002 24-VALVE (VP44)?
No—this panel is for 12-valve applications only and is not intended for stock 24-valve VP44 engines.
DOES IT INCLUDE MOUNTING HARDWARE?
No—hardware is typically reused from the original panel. Replace fasteners if worn or damaged.
WHAT GASKET/SEALS SHOULD I USE?
Reseal the pushrod/tappet cover with Cummins 3284623 and optional grommet seals 4994848 when servicing in this area.
IS THIS A GENUINE CUMMINS PART?
Yes—3924606 is a genuine Cummins component for proper fit and durability.
