Add to Cart Quick view 50 pcs/pack Insulator 42-2300 185-14031 30-6201 42-2300 MSRP: Now: $14.40 Was: InsulatorReplace OEM(s): FordFor: Delco 10DN Series; Ford 1G Series 40-100A, 1G Series Truck 65-90A, 1G Series Blue Back Truck 70-90A ER/EF AlternatorssUsed On: Ford Large Case 90A Truck & Blue... MSRP: Now: $14.40 Was: Add to Cart Quick view