Shop / Wheel Balancer Parts / Sonar Arm Assembly for Geodyna 7800 “Wheel Balancer Monitor 19″ Resistive Touch” has been added to your cart. View cart Sonar Arm Assembly for Geodyna 7800 SKU: TH-EAA0394G09A Category: Wheel Balancer Parts Related products XR Balancer Quick Nut $384.42 Add to cart Power Cable $71.00 Add to cart Coats Potentiometer A&D PKG $417.46 Read more Clamping Device with Nut $35.00 Read more