691237 – Briggs & Stratton Alternator Harness (Genuine OEM Part) The Briggs & Stratton 691237 Alternator Harness is a genuine OEM electrical wiring harness designed to connect the alternator (stator) to the engine’s charging and electrical system. This factory-original harness ensures reliable transmission of electrical current from the alternator to the battery and other powered components. Manufactured to Briggs & Stratton’s strict OEM specifications, the 691237 alternator harness provides proper connector fitment, correct wire gauge, and durable insulation to withstand engine heat, vibration, and outdoor operating conditions. Using a genuine Briggs & Stratton harness ensures dependable charging system performance and maintains factory electrical integrity. Key Details: Manufacturer: Briggs & Stratton Part Number: 691237 Part Type: Alternator Wiring Harness Function: Connects alternator/stator to charging system Construction: OEM-grade insulated wiring with factory connectors Application: Engine charging and electrical system Installation: Direct OEM replacement Compatibility: The Briggs & Stratton 691237 Alternator Harness is used on select Briggs & Stratton engines equipped with electric start and charging systems, commonly installed in: Riding lawn mowers Lawn tractors Zero-turn mowers Garden tractors Small engine-powered equipment with battery charging systems Typically compatible with various Briggs & Stratton single-cylinder engine series used in residential and light commercial applications. The genuine Briggs & Stratton 691237 alternator harness ensures proper charging performance, secure electrical connections, and reliable long-term operation in Briggs & Stratton-powered equipment.