Features1Part Number: Manufactured according to strict original specifications, starter solenoid replacement part numbers are 1 513075 and E513075. 2Applicable Model: Starter solenoid relay replacement for Exmark; Replacement for Lawn Boy; Replacement for Toro Lawn Mower. 3Main 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. 4Durable Material: The battery solenoid is made of sturdy ABS plastic and durable copper, which is dustproof, waterproof, rustproof and high temperature resistant. 5Professional Manufacturing: Exquisite craftsmanship and high precision help provide the mower with optimum performance and longevity.SpecificationItem Type: Starter Solenoid RelayMaterial: Copper, Stainless Steel, ABSThread Size: Approx. 3/16in Bottom Thread, 5/16in Top ThreadReplacement Part Number: 1 513075, E513075, 104 3189, 117 1197Fitment: Replacement for Exmark Replacement for Lawn Boy Replacement for Toro Lawn Mower Package List1 xStarter Solenoid Relay