Shop / Wheel Balancer Parts / Sonar Arm Assembly for Geodyna 7800 “Rubber Protector” has been added to your cart. View cart Sonar Arm Assembly for Geodyna 7800 SKU: TH-EAA0394G09A Category: Wheel Balancer Parts Related products Clamping Plate $89.00 Add to cart Pressure Disk $36.00 Add to cart CR Assembly E-Box + EPC $1,717.00 Read more XR Balancer Quick Nut $384.42 Add to cart