Product Description
Cummins 3919864 OEM Short Intake Horn Bolt – 5.9L 12V (1994–1998)
The Cummins 3919864 OEM Short Intake Horn Bolt is a genuine Cummins replacement fastener designed to secure the intake horn to the intake manifold on 1994–1998 5.9L 12-Valve Cummins engines. Engineered to factory specifications, this OEM bolt provides the proper clamp load necessary to maintain an airtight intake seal and help prevent boost leaks that can reduce engine performance and efficiency.
Over time, intake horn hardware can become corroded, stripped, or damaged during service. Replacing worn fasteners with genuine Cummins hardware ensures proper fitment, reliable sealing, and long-term durability. Whether you're restoring a stock engine, replacing damaged hardware, or reinstalling the intake horn during maintenance, the Cummins 3919864 delivers factory-quality performance and dependability.
Features
- Genuine Cummins OEM hardware
- Direct replacement for factory short intake horn bolt
- Designed for proper intake horn clamping force
- Helps maintain an airtight intake seal
- Reduces the risk of boost leaks
- Factory-correct thread pitch and dimensions
- Hex flange head cap screw design
- Durable corrosion-resistant construction
- Ideal for engine repairs and restorations
- Engineered for long service life
Fitment
- 1994 Dodge Ram 2500 5.9L Cummins 12-Valve
- 1995 Dodge Ram 2500 5.9L Cummins 12-Valve
- 1996 Dodge Ram 2500 5.9L Cummins 12-Valve
- 1997 Dodge Ram 2500 5.9L Cummins 12-Valve
- 1998 Dodge Ram 2500 5.9L Cummins 12-Valve
- 1994 Dodge Ram 3500 5.9L Cummins 12-Valve
- 1995 Dodge Ram 3500 5.9L Cummins 12-Valve
- 1996 Dodge Ram 3500 5.9L Cummins 12-Valve
- 1997 Dodge Ram 3500 5.9L Cummins 12-Valve
- 1998 Dodge Ram 3500 5.9L Cummins 12-Valve
Note: Always verify fitment using your engine serial number (ESN) or VIN before ordering. This part number represents the short intake horn bolt only.
What's Included
- (1) Genuine Cummins 3919864 Short Intake Horn Bolt
Specifications
- Manufacturer: Cummins
- Part Number: 3919864
- Product Type: Intake Horn Fastener
- Function: Secures Intake Horn to Intake Manifold
- Hardware Style: Hex Flange Head Cap Screw
- Thread Size: M8 x 1.25
- Length: 80mm
- Engine Compatibility: 5.9L Cummins 12-Valve
- Vehicle Compatibility: Dodge Ram 2500/3500
- Years Supported: 1994–1998
- Material: OEM Grade Steel
- Application: Intake Horn Hardware
- OEM Replacement: Yes
Cross Reference Numbers
3919864, Cummins 3919864, Intake Horn Bolt, Short Intake Horn Bolt, Hex Flange Head Cap Screw, 3923216 (Long Intake Horn Bolt), 3969988 (Heater Grid Gasket)
FAQ
Is this the correct bolt for my 12-valve Cummins intake horn?
Yes. Cummins 3919864 is the OEM short intake horn bolt used on 1994–1998 5.9L 12-valve Cummins engines. Always verify using your VIN or ESN before ordering.
How many of these bolts are used on the intake horn?
Factory intake horn assemblies typically use a combination of short and long bolts. This part number represents the short bolt only. Inspect your existing hardware before ordering.
Should I replace the intake horn gasket during installation?
Yes. Replacing the gasket whenever the intake horn is removed is recommended to prevent boost leaks and ensure proper sealing.
Can I use aftermarket hardware instead?
While aftermarket bolts may fit, genuine Cummins hardware ensures the correct dimensions, strength, and clamp load required for proper sealing and long-term reliability.
Does this bolt have a specific torque specification?
Yes. Always follow Cummins service manual torque specifications when reinstalling intake horn hardware to prevent thread damage and sealing issues.
