Choose Options Quick view 20 pcs/pack Insulator 42-1320 185-12105 42-1320 MSRP: Now: $9.32 Was: InsulatorReplace OEM(s): DelcoFor: Delco AD230, AD237, AD244 Series IR/IF AlternatorssUsed On: Delco AD Series AlternatorsB ID: 8mmColor: BlackComposition: PlasticCondition: NewID: 0.315in /... MSRP: Now: $9.32 Was: Choose Options Quick view