Equivalent to Land Rover P/N: 591231. Land Rover Clutch Slave Cylinder. Fit Series III / 88" SWB, 109" LWB, 90 / 110 / Defender up to 1994. We have been trading in Military Surplus, Collectables and Land Rover Spares for over 22 years and currently have a 6000 sq. ft. warehouse based in West Sussex.