593486 Motor-Starter — Briggs & Stratton OEM Starter Motor The Briggs & Stratton 593486 Motor-Starter is a genuine OEM starter motor engineered to deliver reliable engine starting for select Briggs & Stratton small engines. This electric starter motor converts electrical energy from a 12-volt battery into mechanical motion to crank the engine, ensuring dependable starts in all weather conditions and reducing wear on your equipment’s starting system. Product Details Item Number: 593486 Brand: Briggs & Stratton Part Type: Starter Motor / Motor-Starter Voltage: 12 V Electrical System Drive Gear: Typically 15-tooth pinion (confirm your model) Condition: New Genuine OEM Replacement Part Intended Use: Engine starting motor for compatible small engines Function This starter motor is designed to: Convert battery power into mechanical force to crank the engine Provide consistent, smooth starts under heavy loads and adverse weather Replace worn, weak, or failed starters for improved reliability Enhance engine longevity by reducing strain during starting Fit directly into OEM mounting locations for ease of installation Verify Fitment in 30 Seconds Before ordering, confirm: Your engine’s model number and parts diagram list the 593486 starter Electrical system is 12 V Mounting configuration and gear teeth count (e.g., 15T) match your original starter ⚠️ Briggs & Stratton starter fitment varies by engine model — always confirm with your engine tag or parts lookup tool before purchasing. Compatibility This starter motor fits a range of Briggs & Stratton engines commonly found in lawn mowers and outdoor power equipment, including: 44T977 499777 49E777 49E877 49J677 49R977 49T877 49V677 (Models listed are representative; verify exact compatibility via your engine’s parts diagram or OEM lookup tool.) Installation / Usage Disconnect the battery before servicing electrical components Remove the old starter motor, disconnecting electrical leads and mounting bolts Install the new 593486 starter, aligning mounting holes and reconnecting wiring Secure hardware to manufacturer torque specifications Reconnect the battery and test engine starting performance Maintenance Tips Inspect starter connections for corrosion or loose terminals Keep battery charged to ensure consistent starting performance Check for frayed wiring or heat damage around the starter Replace worn starters promptly to avoid battery drain Notes / Equivalent References This part is a genuine Briggs & Stratton OEM starter motor — aftermarket starters may exist but may not offer the same exact fit or durability.
