Feature: 1. Part Number: Manufactured according to strict original specifications, starter solenoid replacement part numbers are 1 513075 and E513075. 2. Applicable Model: Starter solenoid relay replacement for Exmark; Replacement for Lawn Boy; Replacement for Toro Lawn Mower. 3. Main Function: Starter solenoid relay switch works as a switch that permits a large amounts of electric current to go to the starter, Guaranteed to start the engine quickly. 4. Durable Material: The battery solenoid is made of sturdy ABS plastic and durable copper, which is dustproof, waterproof, rustproof and high temperature resistant. 5. Professional Manufacturing: Exquisite craftsmanship and high precision help provide the mower with optimum performance and longevity. Specification: Item Type: Starter Solenoid Relay Material: Copper, Stainless Steel, ABSThread Size: Approx. 3/16in Bottom Thread, 5/16in Top ThreadReplacement Part Number: 1 513075, E513075, 104 3189, 117 1197 Fitment: Replacement for Exmark Replacement for Lawn Boy Replacement for Toro Lawn Mower . Package List: 1 x Starter Solenoid Relay Note: 1. Please double check the part number of your item, matching information is for reference only.2. If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!