Replacement Expansion Plug for Cummins ® B/ISB/QSB Applications Cross Reference OEM Cross References: 3945094

Product Details

1 x Expansion Plug – 3945094

Fits Application: Cummins ISB / QSB

Details:

Cup Plug
1-1/2in Nominal O.D.
1/4in Deep
.06in Thick
Stainless Steel

OE Replacements: GKP-3498SS, 3945094, 5139991

Cross References:

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: 3945094
• Interstate-McBee Reference: M-3945094

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.