Product Description
Cummins 3924724 AFC Boost Line Banjo Bolt 1989-1993 Dodge Ram Cummins
The Cummins 3924724 AFC Boost Line Banjo Bolt is a genuine replacement component designed for 1989-1993 Dodge Ram trucks equipped with the legendary 5.9L 12-Valve Cummins diesel engine and Bosch VE rotary injection pump. This banjo bolt secures the AFC (Air Fuel Control) boost reference line to the injection pump, allowing proper boost pressure signal delivery for fuel control and engine performance.
Whether you're restoring a first-generation Cummins, repairing a leaking boost reference connection, or replacing worn fuel system hardware, the Cummins 3924724 banjo bolt provides the correct fit, function, and durability required for reliable operation. Manufactured to Cummins specifications, this component helps maintain proper AFC operation and boost-fueling response under load.
Features
- Genuine Cummins replacement part
- Direct replacement for worn or damaged AFC banjo bolts
- Secures AFC boost reference line connection
- Maintains proper boost signal to the injection pump
- OE-quality construction for long service life
- Helps prevent boost leaks and connection failures
- Designed to Cummins factory specifications
- Ideal for restoration and repair projects
- Simple installation using factory hardware locations
- Trusted OEM Cummins quality
Fitment
- 1989 Dodge Ram 2500 5.9L Cummins
- 1990 Dodge Ram 2500 5.9L Cummins
- 1991 Dodge Ram 2500 5.9L Cummins
- 1992 Dodge Ram 2500 5.9L Cummins
- 1993 Dodge Ram 2500 5.9L Cummins
- 1989 Dodge Ram 3500 5.9L Cummins
- 1990 Dodge Ram 3500 5.9L Cummins
- 1991 Dodge Ram 3500 5.9L Cummins
- 1992 Dodge Ram 3500 5.9L Cummins
- 1993 Dodge Ram 3500 5.9L Cummins
- Applications utilizing the Bosch VE rotary injection pump AFC system
Note: Always inspect the boost reference line, sealing washers, and AFC fittings during installation. Replacement sealing washers may be required if the originals are damaged or worn.
What's Included
- One Cummins 3924724 AFC Boost Line Banjo Bolt
Specifications
- Manufacturer: Cummins
- Part Number: 3924724
- Product Type: AFC Boost Line Banjo Bolt
- Application: AFC Boost Reference Line Connection
- Engine: 5.9L 12-Valve Cummins
- Injection Pump: Bosch VE Rotary Pump
- Vehicle Years: 1989-1993
- Vehicle Platform: Dodge Ram 2500 and 3500
- Material: OE Steel Construction
- Installation Location: AFC Housing Boost Reference Port
- Condition: New Genuine Cummins Component
Cross Reference Numbers
3924724, Cummins 3924724, AFC Banjo Bolt, VE Pump Boost Line Bolt, First Gen Cummins AFC Fitting, 12-Valve Cummins AFC Hardware
FAQ
What does the Cummins 3924724 banjo bolt do?
This banjo bolt secures the AFC boost reference line to the Bosch VE injection pump, allowing boost pressure to reach the AFC housing and properly control fuel delivery.
Will this fit a P-Pump 12-Valve Cummins?
No. This component is designed for applications using the Bosch VE rotary injection pump found on 1989-1993 Dodge Cummins trucks.
Can a damaged banjo bolt cause performance issues?
Yes. Damaged threads, cracked fittings, or boost leaks can affect AFC operation and reduce fuel delivery response under boost conditions.
Should sealing washers be replaced during installation?
It is recommended to inspect and replace sealing washers whenever the AFC boost line connection is serviced to help prevent leaks.
Is this a genuine Cummins part?
Yes. Part number 3924724 is a genuine Cummins replacement component manufactured to OEM specifications.
Is this commonly replaced during restoration projects?
Yes. Many first-generation Cummins restoration and repair projects include replacing small fuel and AFC system hardware to restore reliability and appearance.
