Truth Window parts

Hello, thank you for posting,

Your original operator resembles the style of the 39-449 and 39-450 operators. This style uses the 39-529 track slider to connect to the track. Please review the dimensions below to confirm a good fit and let us know what you think! 

Compatible cover/handle options can be viewed on the product page under the related items section. Please let me know if you have any additional questions.