751P18086 Choke Lever Compatible with Troy-Bilt Replacement 751P18086/951-15581/951-15166/751P15581A/751-18086/751-15581A - Fit for 875-WU 243cc Engine 1，Standard Compatibility - Exclusively fits 875-WU 243cc Engine and 243cc displacement engines. 2，Part Numbers:751P18086, 751-15166, 951-15166, 751-15581A,751-15581, 751-18086, 951-15581. 751P15581A, 3，Critical Choke Control Function - Regulates the engine's air intake valve to adjust fuel-air mixture: closes for easy startup (high fuel concentration) and opens for stable operation, solving startup difficulty or rough idling issues. 3，Replaces 5 prior MPNs (951-15581, 951-15166, etc.) and matches standard part specifications for seamless installation. 4，Quick DIY Installation - Requires only a screwdriver and takes 10-15 minutes to install. No professional repair experience is needed, making it easy for users to replace faulty levers independently. 5，Engine Compartment Durability - Made of high-temperature-resistant engineering plastic. Withstands 80°C engine compartment heat, resists oil and dust aging, and maintains structural integrity for long-term use. 6，Compatibility Verification Reminder - Please refer to the equipment owner's manual to confirm matching with your engine model and part number before purchase, avoiding improper fit issues.