IMPORTANT NOTE: Please check the measures and your engine's model carefully before purchasing to guarantee that you receive the correct part. Specs: 5 Terminals, 7 Poles REPLACEMENT PART NUMBERS: Replaces Hustler 045898, Exmark 1-543070, Troy Bilt 1754250 1754250P, AYP 158913, Husqvarna 532158913 532144921, Bobcat 128010 430-173, AM119111, 490066. Compatible with Exmark Lazer Z, Super Z, Mini Z, Hydro Walk Behind, Mini FasTrak, FasTrak Sport, Troy Bilt, Big Dog WIDE COMPATIBILITY: Compatible with Hustler Super Z, 2002-2007, with 52", 60" and 72" deck, Excluding XR-7 deck drive unit. For Exmark Lazer Z, Serial No. 102,000-370,000 with 52", 60" and 72" deck; Turf Tracer Floating Deck walk behinds, Serial No. 190,000-higher, without ECS, with 52" and 60" deck. For Husqvarna LZ with 52", 60" and 72" deck FITS MODELS: Compatible with Toro 74269 with 72" deck. For Troy-Bilt 13025, 13026, 13027, 13028 lawn tractors. For Bobcat ZT200, 942200-942299 riders with 61" deck; 930000-936406A Power Units and Hydro Drives. Compatible with Big Dog Mower, AYP with Vanguard engines RELIABLE IGNITION FOR ENGINE START-UP: The 045898 Ignition Starter Switch is designed to control the starting and stopping of your Lawn Mower’s engine with precision and safety. Featuring 5 terminals and 7 poles, this Key Switch plays a critical role in your mower or tractor’s ignition system, ensuring secure electrical flow and consistent performance. Each package includes 02 IGNITION KEYS, giving you a spare for peace of mind SUPERIOR MATERIAL: Constructed with an aluminum alloy housing, this switch is built to handle tough outdoor conditions such as heat, moisture, dust, and vibration. The brass-plated terminals provide excellent conductivity and corrosion resistance, ensuring reliable electrical contact and extended product life, even during high-season usage 100% LIFETIME PROTECTION: Enjoy reliable performance with our lifetime protection, ensuring that your product will always be covered for any defects or issues that may arise Wide compatibility: The product replaces these part numbers: 045898, AM119111, 1754250, 158913, 532158913, 532144921, 128010, 430-173, 1754250P, 1-543070, 490066. Compatible with many models of Exmark Lazer Z, Super Z, Mini Z, Hydro Walk Behind, Mini FasTrak, FasTrak Sport, Troy Bilt, Big Dog, Husqvarna Lawn mowers/tractors; Hustler Super Z, 2002-2007, with 52", 60" and 72" Deck, Excluding XR-7 Deck Drive Unit; Exmark Lazer Z, Serial No. 102,000-370,000 with 52", 60" and 72" deck and more