VDO Vision Metric Oil Temperature Gauge 310-109 50-150C VDO Vision Metric Oil Temperature Gauge. Part Number 310-109, Thru-Dial Lighting, Lighted Pointer. Reads 5-150 Celsius Oil Temperature, 52mm Diameter(2 1/16") Mounting Hole w/ Spin Lok Mounting Nut. Requires VDO... $69.00