Replacement Fuel System Gasket Set for Caterpillar ® Applications 3512B Gen Set – ESN: 1GZ Cross Reference OEM Cross References: 1644421

PART # 1644421 Engine Serial # 1GZ Machine: 3512B Gen Set

Application & Fitment

• Engine Make: Caterpillar

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: 1644421
• Interstate-McBee Reference: M-1644421

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.