Choose Options Quick view 50 pcs/pack Insulator 42-1301 120-12001 42-1301 MSRP: Now: $39.80 Was: InsulatorReplace OEM(s): DelcoFor: Delco 10DN Series ER/EF AlternatorssUsed On: Delco 10DN AlternatorsColor: BlackCondition: NewID: 5.4mmLength: 1.354in / 34.4mmLocation Used: Ground TerminalOD: 17... MSRP: Now: $39.80 Was: Choose Options Quick view