Add to Cart Quick view Alternator 7685N 400-12082 7685N MSRP: Now: $337.57 Was: AlternatorReplace OEM(s): DelcoFamily: Delco 22SIFor: Delco 21SI Series 145-160 Amp/12 Volt, 1-Wire System, 14.5 Vset, Negative GroundUsed On: Delco 21SI Alternator Freightliner, Kenworth, Mack,... MSRP: Now: $337.57 Was: Add to Cart Quick view