Type 80 brake vacuum servo assembly for early Defender. Identified by a 276 mm overall diameter with the vacuum non return valve located at top left of center.
Fits: Defender with non ABS braking system 1983-1990. See note below.
NOTE: Alternative brake servo assembly for early Defender used during this period is Type 50. This measures 227 mm overall diameter with the vacuum non return valve located at bottom right of center. For Type 50 brake servo assembly use PLL905