Add to Cart Quick view 20 pcs/pack Insulator 42-1109 185-12083 30-50109 42-1109 MSRP: Now: $17.72 Was: InsulatorReplace OEM(s): DelcoFamily: 50DNFor: Delco 50DN Series Bus AlternatorssUsed On: Transit Bus ApplicationsComposition: FiberCondition: NewID: 0.311in / 7.9mmLocation Used: Field Terminal... MSRP: Now: $17.72 Was: Add to Cart Quick view