High Quality and Quality Guaranteed. High Quality:The brake box assembly is made of high-quality materials, which is durable and has a long service life. It can work stably for a long time without being easily damaged, saving maintenance and replacement costs. Strong Braking Performance:The upgraded brake combination module provides improved braking performance, can better troubleshoot and solve problems, Improve work efficiency, and ensure the safety of operators and equipment. Fitment can vary by sub model, serial number, and/or production date of your equipment. Please refer to the original owners manual in order to verify this is correct part for your machine. For Toro Timecutter model 75741, 75742, 75743, 75750, 75755, 75759. For Exmark Quest S-Series QZS735GKC54200, QZS708GEM54200. For Exmark Quest E-Series QZE725GKC42200, QZE725GKC50200. Hope you can understand. In the event the item should fail due to manufacturing defects during intended use, we will replace the part by free. If you are not satisfied, please let us know before leaving feedback! This product can expose you to chemicals including Chromium (Hexavalent Compounds). Which is known to the State of California to cause cancer, and birth defects or other reproductive harm. For more information, go to California goverment website, you can search California P65Warnings. Quest E-Series QZE725GKC42200, Exmark Quest E-Series QZE725GKC50200. California Prop 65 Warning.