Please Note : All part numbers and images are for reference only. Alternator Replacement for Delco cs144 Early IR/Ef 120 Amp/12 Volt, Cw, 6-Groove Pulley, 11:00 Plug Clock, 7805-11n, Delco 10456319, 10463071, 10497107, 10497108, 1101325, 1101326, 1101331, 1105615, 1105616, GM 10456319, 10463071, 1105615, 1105616, 19152081. (1986) Buick Century, Electra, LeSabre 3.8L (1990-88) Buick Reatta, Riviera 3.8L (1986) Oldsmobile 98, Ciera, Delta 88 3.8L (1990-86) Oldsmobile Toronado 3.8L.