Replacement Cylinder Liner for Cummins ® KT19/KTA38/KTA50/QSK19/QSK38/Q Applications K Series – 0.020in OEM Cross References: 4009221 Superseded/Alternate Numbers: M-3202241

1 x Liner

Note: Block Type #3 Thick Flange – ESN 31121670 & Up and 37000001 & Up | UPF / LPF: 0.02 – Thickness: .528″ – .529″ – O.D: 7.429″ – 7.431″ – O.D: 7.093″ – 7.095″

Application & Fitment

• Engine Make: Cummins
• Engine Model / Application: KT/QSK

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: 4009221
• Alternate / Superseded: M-3202241
• Interstate-McBee Reference: M-4009221

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.