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Briggs & Stratton Intek 500-cc 17.5-HP Replacement Engine for Riding Mower in the Replacement Engines department at Lowes.com
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31R977-0054-G1 Briggs & Stratton 31R977-0054 - 17.5hp Briggs & Stratton Engine, Vertical 1"x3-5/32" Shaft, Electric Start, 9 Amp Alternator, Fuel Pump
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Briggs & Stratton Intek Vertical OHV Engine — 344cc, 1in. x 3 5/32in. Shaft, Model# 21R807-0072-G1 | Northern Tool
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