This is an authentic replacement part sourced directly from the manufacturer. The master link kit may be used with garage door opening systems from Chamberlain and LiftMaster. This kit contains part to replace two complete links in the drive chain, in case of breakage. You may require a chain break tool when replacing this part. This is an individually sold item.

It is a genuine OEM sourced component which is made for use with Chamberlain and LiftMaster garage doors. This is one of the sections of the arms that support and guide the door. It provides an identical replacement for a missing or a damaged part that was included with a new unit. To ensure the correct repair procedure, check the owner's manual for your model. Note, this high-quality straight door arm section is sold individually.

This part is available as an individual replacement. The chain spreader attaches to the gear and sprocket assembly and helps to prevent the chain from coming off. It will need to be replaced if it becomes broken and may require a screwdriver during the installation process. This is a genuine Chamberlain replacement part that is sourced from the original manufacturer for use with chain drive garage access systems.

It is an OEM part which is made for Chamberlain equipment. This idler pulley is utilized to secure and apply tension on the chain. If the component is missing or is damaged, this will provide an identical replacement for the original part that was installed on a new unit. To ensure the exact location and the correct application, check the appropriate diagrams for your specific model. One durable idler pulley is included. A wrench set is required to perform this repair.