Replace Part Number: Voltage regulator replacement for Part 25-403-39-S, 25-403-32-S, 25-403-05-S, 25-403-08-S, 25-403-20-S, 25-403-21-S, 25-403-29-SCompatible with Engine: CH730-0165 CH730-0170 ECH749 ECV740 62570 64569. See product description for more detailed compatibility models.Compatible with Engine: CH730-0165 CH730-0170 ECH749 ECV740 62570 64569.Fitment for Toro Zero-Turn Mowers model 74255Plug and Play: The voltage regulator is easy to install, no complicated tools are required, you just need to remove the old rectifier and tighten all loose connections. Perfect match with the original voltage regulator, cost-effective. No modification, cutting or drilling is requiredHigh-Quality Aluminum Alloy Material: The regulated rectifier is made of high-quality aluminum alloy material, which has good heat dissipation performance, wear-resistant and rust-proof, strong and durable, ensuring the best durabilityColor: silvermaterial: metalExcellent Performance: The voltage regulator rectifier provides stable voltage, improves ignition efficiency, can rectify and control power supply, is stable and reliable, and has high precision. Replacement for engine directly replaces the old or damaged regulator rectifierType: Voltage RegulatorVolt: 12VReplaces Part: 25-403-05-S, 25-403-08-S, 25-403-20-S, 25-403-21-S, 25-403-29-SFitment:Replaces 25 403 39-S Part # 435-177 ~435-177Fits for ECH749 and ECV740 ModelsPackage Contents:1 x Voltage Regulator RectifierOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.