Replacement Expansion Plug for Cummins ® B/ISB/QSB Applications Cross Reference OEM Cross References: 3922073 Superseded/Alternate Numbers: M-3902606

Product Details

1 x Expansion Plug – 3922073

Fits Application: Cummins 4B/6B Series Engine

Details: Cup Plug 13/16in Nominal O.D. 1/4in Deep 0.05 Thick Steel

OE Replacements: ECP-3485, 79AX63, 327412R1, 219-2190, 3902606, 3812092, 3922073, 79AX44, 79AX63Z, 40005R1, 3004258, 4103-5001831055, 79AX632

Application & Fitment

• Engine Make: Cummins
• Engine Model / Application: B/ISB/QSB

Confirm the original part number and engine identification before ordering. Where applicable, also verify serial-number range, production year, piston style, bearing size or other configuration notes shown in the product information.

Part Numbers & Cross References

• OEM Cross Reference: 3922073
• Alternate / Superseded: M-3902606
• Interstate-McBee Reference: M-3922073

Need Help Confirming Fitment?

Use the engine model, serial number and original part number when checking compatibility. For kits and sets, review the complete component breakdown above before ordering because contents can vary by engine configuration.