www.Austin7Ulster.com › Engine Sump Oil Drain Plug, petrol tank, rear axle, gearbox plugs Engine Sump Oil Drain Plug, petrol tank, rear axle, gearbox plugs Sale Price: £5.50 Original Price: £6.20 Brass sump plug can be used on engine, petrol tank, gearbox or rear axle.Top quality ! Brass sump plug can be used on engine, petrol tank, gearbox or rear axle.Top quality ! Add To Cart Added! You Might Also Like Side Water Manifold £22.50 Rear Main Oil Seal Plate c/w UPRATED VITON HIGH PERFORMANCE seal (1930-1939) £22.50 Flywheel Nut 1-5/16" 1929-1939 £4.95 Set of 8 Big End Bolts - for white metal rods £49.99 Cylinder Liner £32.00