RTC 3511 REP - Hub Oil Seal, Replacement specification Land-Rover Series 3 and 90/110 Defender £2.10 Quantity: at £2.10 each Add To Basket 7 in stock. Hub Oil Seal, Replacement specification Suitable only for: Series 3, 88" and 109", Front and Rear Hubs from October 1980 onwards. Series 3, 109 V8, Front and Rear Hubs, all models. 110 Defender, RHD models, up to Front Axle serial number 20L13358B. 110 Defender, LHD models, up to Front Axle serial number 21L10631B.