Product Description
Cummins 3923216 — Long Intake Horn Bolt (Hex Flange Head Cap Screw)
MPN: 3923216 | Also Known As: hex flange head cap screw, long intake horn bolt | Position: Intake horn/plenum mounting (long bolt)
Why This Part
- ✓ OE fastener for 12-valve intake horn mounting—correct length and flange head.
- ✓ Direct-fit for 1994–1998 Ram 5.9L 12V (verify by VIN/ESN).
- ✓ Hardened Cummins spec for clamp load and durability.
- ✓ Helps prevent boost leaks by ensuring proper horn-to-plenum clamping.
Quick Specs
| Type | Hex Flange Head Cap Screw (Long Intake Horn Bolt) |
|---|---|
| OE Part # | 3923216 |
| Typical Hardware Mix | Common kits use (2) long bolts 3923216 + (3) short bolts 3919864 (verify for your horn) |
| Qty Per Vehicle | Varies by horn style; see note above |
Verified Fitment (Automotive)
| Year Range | Engine | Chassis |
|---|---|---|
| 1994–1998 | Ram 5.9L 12V (6BT) | Ram 2500/3500 |
Notes: Listed by Cummins as a hex flange head cap screw used on 5.9L B-Series applications; intake horn hardware for 12-valve Rams typically mixes long and short bolts—confirm by VIN/ESN.
Often Paired With
- Short Intake Horn Bolts: Cummins 3919864 (commonly used with the two long bolts)
- Intake Horn Gaskets: Cummins 3969988 (horn to plenum)
- Intake Horn/Manifold Upgrades for 12V (’94–’98)
What’s In The Box
- (1) Genuine Cummins Hex Flange Head Cap Screw — Long Intake Horn Bolt (3923216)
- Additional bolts/gaskets sold separately (see “Often Paired With”).
Install Tips
- Clean threads and mating surfaces; inspect gasket.
- Hand-start bolts to prevent cross-threading; torque to factory spec per service manual.
- After initial heat cycle, recheck clamp load if a boost leak is suspected.
FAQ
WILL THIS FIT MY 1994–1998 5.9L 12V CUMMINS RAM?Yes—this long intake horn bolt is listed for 1994–1998 12-valve 5.9L Ram applications (verify by VIN/ESN).
HOW MANY LONG VS. SHORT BOLTS DO I NEED?Common kits use (2) long bolts (3923216) with (3) short bolts (3919864), plus new horn gaskets. Confirm for your specific horn/manifold.
IS THIS A GENUINE CUMMINS FASTENER?Yes—OE Cummins hex flange head cap screw 3923216.
WHAT GASKET GOES WITH THE INTAKE HORN?Horn-to-plenum gasket is commonly Cummins 3969988 on 12-valve applications.
WHAT TORQUE SPEC SHOULD I USE?Always follow the factory service manual torque spec for the intake horn fasteners specific to your engine and year.
