The Fabco 777-0552 (also listed as 7770552) is a brake shoe release spring designed for ES brakes, confirmed as an off-highway application part. Sourced as genuine OEM Fabco, this spring is the correct release component for ES-brake equipped axles and undercarriage systems in off-highway service. If you need to confirm this part fits your specific brake assembly or axle configuration, call Pro Gear and Transmission and we can help verify the application before you order.
Features
Genuine OEM Fabco part, not a generic substitute
Part number: 777-0552 or 7770552
Designed for ES brake systems
Off-highway application
Verify fitment with Pro Gear and Transmission before ordering
