Premium CAT ECM 322-3603 / 3223603. Fits 325C Excavator, 120H Grader, 966G II Loader, C18 Generator Set. Remanufactured Engine CPU. 12M Warranty. Fixes ECU blackout & sensor signal loss. Programming mandatory (Provide VIN/ESN). Trusted direct replacement CPU 3223603.
ECM UNIT: 322-3603 / 3223603
Part NameEngine Control Module
CompatibilityCAT C18, 980G II, 322C
Warranty1 Year Service

DIAGNOSTIC INDICATORS

Resolves: Fault codes related to Engine Control Relay, unstable idle, or communication timeout in IT38G II and 135H Graders.

Note: Import tax is buyer's responsibility. Pro-installation recommended.