Genuine Exmark Part Number:1-643234Compatible with the Following:Lazer ZLazer Z ACLazer Z XPLazer Z XSFitment can vary by sub model, serial number, and/or production date of your equipment. Please refer to the origional owners manual in order to verify this is correct part for your machine. Exmark 1-643234 Dual Flow Fuel Valve Lazer Z AC XP XS. Brand: Exmark Known Brand Compatibility, Replaces / For: Toro, Exmark Prior Numbers / Substituted Part Numbers / Replacement for: 1-643234. Genuine Exmark Toro Factory Part Number 1-643234. Compatible with Lazer Z, Lazer Z AC, Lazer Z XP, Lazer Z XS Diesel, Lazer Z XS Liquid Cooled. Genuine Exmark Part Number: 1-643234 Compatible with the Following: Lazer Z Lazer Z AC Lazer Z XP Lazer Z XS Fitment can vary by sub model, serial number, and/or production date of your equipment. This product is brand new and will come in original factory packaging. We are proud to be a factory authorized retailer. We use several different carriers and choose the most economical for the item and destination based on the estimated transit time displayed.