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 Repair Plate for Side Water Manifold £11.99 Neophrene Base Gasket £5.99 Sold out Valve Cap / Cup ( Single Spring Type) from £2.40 3 Speed Gearbox 1st Motion Shaft Bearing £12.99 Timing Cover Gasket - coil engine £1.40