For Delco, Motorola USA Built 1-Wire Self Excited Alternator, 24V, 45A, 10SI w/ Motorola Mount&Spark Arrestor Screens RN 20502 110-684 110-24 110-59 110-62 8AR3080 RA24N901 RA24N901A RA24N901AK 8MR3404 8MR3404G TYP3948 AT115049 AT125430 A24NEB900 110-384 8EM3003GA 90-05-9211 90-05-9311 Reference PN For Marine and Agricultural Application Tech Notes Alternator Family: For Delco 10SI Voltage: 24 Amps: 45 USA Built Mount Type: Spool Mtg Ear 1 Hole: (3) x 5/16-18 Threaded Mtg Ear 2 Hole: 12.9mm Unthreaded Mtg Ear 1 Thickness: 0.441in / 11.2mm Mtg Ear 2 Thickness: 1.031in / 26.2mm Regulator Clock: 12:00 Fan Location: External Regulator Location: Internal B+ Terminal: 12-24 Polarity: Negative Pulley Grooves: 1 Pulley Type: Solid Pulley OD: 2.626in / 66.7mm Notes: 1-Wire Universal Replacement for Motorola&Prestolite Alternators Spark Arrestor Screens for Marine For Adaptable to For Requiring 2"&3" Mounting Feet Application: Marine and Agricultural Application Weight: 12.7 lbs / 5.77 kg