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The ARB Filler Plug Assembly (113mm) is a replacement filler plug intended for ARB differential covers and axle housings with a 113mm filler opening. It serves as the service access point for adding or checking differential fluid during routine maintenance. Supplied as a focused service part, it is used by technicians and experienced DIY installers on compatible ARB cover applications.
ARB Sp Filler Plug Assembly 113mm
