Ensure your vehicle is Ready for the Road Ahead™ with enhanced protection against low oil levels or high temperatures, with the Buyers Rotary 1/2"-13 Oil Level Gauge with Temperature Indicator. To protect your hydraulic system from excessive heat, this replacement gauge measures the exact temperature of fuel from the exterior of a system. Fashioned with a durable metallic design to withstand extreme temperatures. FleetPride is your First Click in Heavy Duty®.