Product Description
CUMMINS 3922072 OEM FRONT AND SIDE EXPANSION PLUG FOR 1989-2002 5.9L CUMMINS
The genuine CUMMINS 3922072 OEM front and side expansion plug is designed for 1989-2002 5.9L Cummins B-series engines and helps seal coolant passages at the front and side block locations.
This OEM steel cup freeze plug helps prevent coolant seepage, leaks, and cooling system failures caused by rusted or damaged factory expansion plugs.
Built to genuine Cummins specifications, this direct-fit expansion plug is commonly used during engine rebuilds, cooling system repairs, and preventive maintenance on 5.9L Cummins engines.
FEATURES
- Genuine OEM Cummins expansion plug
- Steel cup freeze and core plug design
- Designed for front and side block coolant bores
- Helps prevent coolant leaks and seepage
- Corrosion-resistant construction
- Direct-fit OEM replacement
- Ideal for engine rebuilds and cooling system service
FITMENT
- 1989-1993 Dodge Ram 2500 and 3500 5.9L Cummins 12V
- 1994-1998 Dodge Ram 2500 and 3500 5.9L Cummins 12V
- 1998.5-2002 Dodge Ram 2500 and 3500 5.9L Cummins 24V VP44
- Select B3.9, 4BT3.9, B5.9, 6B5.9, and 4BTA3.9 industrial engines
- Select Cummins C8.3 industrial applications
Fitment Note: Always verify plug size, quantity, and location using VIN or ESN before ordering.
WHAT'S INCLUDED
- 1 Cummins 3922072 OEM expansion plug
CROSS-REFERENCE
- Cummins 3812090
- Cummins 3900965
- 040093
- Interstate McBee M-3922072
- Interstate McBee MCBM-3922072
RELATED PARTS
- Cummins 3920706 expansion plug
- Cummins 3914035 side block expansion plug
- Cummins 3900955 dipstick-side expansion plug
- Cummins 3900687 rear cam expansion plug
INSTALLATION NOTES
- Drain coolant before installation
- Clean all rust and corrosion from the bore
- Use the correct installation driver
- Do not distort the cup during installation
- Pressure-test the cooling system after installation
- Consider replacing all expansion plugs on high-mileage engines
SPECIFICATIONS
- Brand: Cummins
- Part Number: 3922072
- Product Type: Expansion plug
- Type: Steel cup freeze and core plug
- Engine Compatibility: B3.9, 4BT3.9, B5.9, 6B5.9, 4BTA3.9, select C8.3
- Automotive Fitment: 1989-2002 Dodge Ram 2500 and 3500 5.9L Cummins
- Nominal Diameter: Approximately 2.25 inch
- Shipping Weight: Approximately 0.09 pound
- Condition: New genuine Cummins OEM part
FAQ
Will this fit my 1989-2002 5.9L Cummins Ram?
Yes. Cummins 3922072 is commonly used on many 1989-2002 5.9L Cummins Ram applications in front and side block locations.
Is this a genuine Cummins expansion plug?
Yes. This is a genuine OEM Cummins expansion plug.
Do I need sealant during installation?
Many Cummins procedures install these plugs dry in a clean bore but always follow the service manual procedures for your engine.
Should I replace all freeze plugs at the same time?
On older or rusty engines, replacing all expansion plugs during service is strongly recommended.
Can this be used on industrial or marine engines?
Yes. Cummins 3922072 is used on various industrial and marine B-series applications but always verify compatibility using the engine serial number.
