Replacement Piston Kit for Cummins ® KT19/KTA38/KTA50/QSK19/QSK38/Q Applications KT 19/38/50 – w/Pin Cross Reference OEM Cross References: 3631246 Superseded/Alternate Numbers: M-3032462, M-3803316

1 x Piston Kit Aluminum

Piston Body

Piston Pin

Pin Retainer

Note: Ref. (3096680) Piston

OE Replacement: 3801398, 3803316, 3631246, 3803267, 3032462, 3096680

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: 3631246
• Alternate / Superseded: M-3032462, M-3803316
• Interstate-McBee Reference: M-3631246

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.