The LiftMaster 041D0239 garage door opener circuit board end panel from Garage Door Supply Company is an easy-installation replacement part to keep dust and dirt from contaminating your circuit board. LiftMaster's 041D0239 circuit board end panel replaces part No. 41D0239. This LiftMaster replacement part is compatible with the LiftMaster model 8155 belt drive garage door opener and LiftMaster's 8165 chain drive residential garage door operator. We also carry garage door parts and accessories.Product Highlights: