Product details at JLR Classic
Locking nut for selected body insulation, exhaust heat-shield and fuel-tank mountings: Range Rover L322 2002-2012, Range Rover Sport L320 2005-2013, Discovery 3 and Discovery 4. Not universal fitment. Some early D3/Sport tank applications require the retrofitted 10MY tank with two vent pipes, TSB LTB00280 or LTB00293; other assemblies differ. Check exact engine, VIN, tank and assembly in the linked catalogue.