Choose Options Quick view 20 pcs/pack Insulator 42-1104 185-12058 42-1104 MSRP: Now: $9.35 Was: InsulatorReplace OEM(s): DelcoFor: Delco 30SI, 30SI/TR Series IR/EF AlternatorssUsed On: Delco 30SI/TR AlternatorsComposition: FiberCondition: NewID: 0.291in / 7.4mmLocation Used: Output StudNotes... MSRP: Now: $9.35 Was: Choose Options Quick view