593488 Solenoid-Starter — Briggs & Stratton OEM Starter Solenoid The Briggs & Stratton 593488 Solenoid-Starter is a genuine OEM starter solenoid designed to handle the high-current switch function that delivers power from the battery to the starter motor on compatible Briggs & Stratton small engines. It plays a crucial role in reliable engine starts by engaging the starter system when the key or start switch is activated, making it a common replacement part in lawn mowers, garden tractors, and outdoor power equipment. Product Details Item Number: 593488 Brand: Briggs & Stratton Part Type: Solenoid-Starter / Starter Solenoid Design: OEM electrical solenoid for engine starting Condition: New Genuine OEM Replacement Part Voltage System: Designed for 12 V battery systems Typical Dimensions: Approx. 5.65″ × 2.65″ × 2.25″ (size varies by engine) Function This starter solenoid is engineered to: Act as a high-current relay, transferring battery power to the starter motor Engage the engine start circuit when the ignition key is turned Ensure reliable, consistent starts under regular use Replace worn, pitted, or failed solenoids that cause no-start or intermittent starting issues Provide a OEM-matched electrical connection for proper performance Verify Fitment Before Ordering Before purchasing, confirm: Your equipment uses a 12 V electrical system The 593488 starter solenoid matches your engine’s parts diagram Mounting points and terminal configuration align with your original solenoid ⚠️ Starter solenoid compatibility varies by model and engine — always verify the correct part number with your engine model/serial or diagram. Compatibility This OEM solenoid-starter is commonly used on a range of Briggs & Stratton engines, including many found on: 44T977 series engines 499777-0002-G1 49E777 series engines 49E877 engine series 49R977 engine variants 49T877 and 49V677 engine families (Models shown are representative — confirm with your specific engine parts lookup to ensure correct fitment.) Installation / Usage Disconnect the battery before working on electrical components. Remove old solenoid, noting wire positions and harness details. Mount the new 593488 solenoid-starter in place. Reconnect wires to corresponding terminals (starter lead, ignition switch feed, ground). Reconnect battery and test engine starting function. Verify smooth starter engagement and secure connections. Maintenance Tips Check solenoid terminals for corrosion or loose wiring. Clean connections to ensure solid electrical contact. Inspect battery condition — weak batteries can mimic solenoid failure. Replace if clicking or intermittent cranking persists. Notes / Equivalent Replacements Genuine Briggs & Stratton OEM part 593488 ensures proper fit and factory performance compared to aftermarket units.