Add to Cart Quick view Rotor 28-139 303-12040 28-139 MSRP: Now: $122.64 Was: RotorReplace OEM(s): DelcoFor: Delco 22SI Series 100A/12V IR/EF AlternatorssUsed On: Delco 22SI AlternatorsAmps: 100/130 AmpsAmps Draw: 6.8 AmpsAmps Low Output: 100 AmpsBody OD: 4.248in / 107... MSRP: Now: $122.64 Was: Add to Cart Quick view