1435 Flywheel Key (Zinc) Rotary® for Briggs & Stratton® | Replaces B&S® 222698S, 5002 Series Overview The Rotary® 1435 Flywheel Key (Zinc) is a high-quality OEM-replacement part designed for Briggs & Stratton® small engines. This flywheel key ensures proper alignment between the flywheel and crankshaft, maintaining correct ignition timing. A sheared or damaged key can cause hard starting, misfiring, or loss of power, making this an essential service component. Product Details Rotary® Part Number: 1435 Brand: Rotary® Part Type: Flywheel Key Material: Zinc Condition: New Function Aligns flywheel to crankshaft Maintains proper ignition timing Helps prevent misfiring and hard starting Essential after blade or crankshaft impact Replaces / Cross-Reference Briggs & Stratton® OEM Numbers: 222698S 222698 5002 5002K 5002B 5002H 5002D Compatibility Commonly used on Briggs & Stratton® small engines found in: Lawn mowers Walk-behind mowers Lawn tractors Other outdoor power equipment ⚠️ Compatibility Note: Flywheel key size and shape vary by engine model. Always verify OEM part number before ordering. Installation Notes Use a proper flywheel puller for removal Inspect crankshaft and flywheel for damage Install new key and torque flywheel nut to OEM specifications Replacement Indicators Engine hard starting or no start Backfiring or rough operation Loss of power Recent blade or crankshaft impact Why Choose Rotary® Parts? Rotary® replacement parts are trusted by professionals for OEM-level fit, durability, and performance.