Briggs & Stratton Vanguard OHV Horizontal Engine with Electric Start - 305cc, 1in. x 3 21/32in. Shaft, Model# 19L237-0042-F1: Amazon.com: Industrial & Scientific
Amazon.com: Rareelectrical New Starter Motor Compatible With Briggs & Stratton Vanguard V-Twin Engine By Part Numbers 428000-0230 807383 4280000230 : Patio, Lawn & Garden
Amazon.com : Briggs & Stratton Vanguard Twin Cylinder Vertical OHV Engine - 801cc, 1in. x 3 5/32in. Shaft, Model Number 49E877-0006-G1 : Patio, Lawn & Garden
Amazon.com : Briggs & Stratton Vanguard Twin Cylinder Vertical OHV Engine - 810cc, 1in. x 3 5/32in. Shaft, Model Number 49R977-0003-G1 : Patio, Lawn & Garden