{"product_id":"52mm-car-gauge-set-7-in-1-digital-tachometer-boost-temp-oil-voltmeter","title":"52mm Car Gauge Set | 7-in-1 Digital Tachometer, Boost, Temp, Oil, Voltmeter","description":"\u003cp\u003eMonitor seven critical engine parameters with one compact 52mm gauge set. This digital display combines a tachometer, boost gauge, water temperature, oil temperature, oil pressure, voltmeter, and air-fuel ratio reader into a single dashboard-ready unit. It gives you real-time data to keep your engine running safely and efficiently.\u003c\/p\u003e\n\u003cp\u003eEach gauge uses a bright blue LED readout with a red warning light that alerts you when a parameter goes outside the safe range. The 52mm diameter fits standard gauge pods and panels, making installation straightforward for most 12V gasoline vehicles. The ABS plastic housing with an aluminum ring provides durability without adding extra weight.\u003c\/p\u003e\n\u003cp\u003eWhether you are tuning for performance or just want to keep a close eye on your engine health, this gauge set gives you the information you need at a glance. The tachometer reads up to 9999 RPM, the boost gauge measures from -14 to 29 PSI, and the temperature gauges cover 40 to 150 degrees Celsius. It is a practical upgrade for any car enthusiast who values precision and reliability.\u003c\/p\u003e\n\u003cp\u003eKey Features and Benefits\u003c\/p\u003e\u003cp\u003e- 7 gauge functions in one unit that let you monitor boost, temperature, pressure, voltage, RPM, and air-fuel ratio without buying separate gauges\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003eBlue LED digital display with red warning light that makes critical readings easy to see even in low light\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003e52mm diameter housing that fits standard gauge pods and panels for a clean dashboard installation\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eABS plastic case with aluminum rim that resists wear and keeps the gauge lightweight\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003e12V DC power compatibility that works with most gasoline car electrical systems\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eRed warning point at 10V for the voltmeter that alerts you to low battery voltage\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eWarning light above 100 degrees Celsius on the water temp gauge that helps prevent overheating\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eTachometer warning light above 5000 RPM that helps you avoid over-revving the engine\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003eWho Is This For\u003c\/p\u003e\u003cp\u003e- Car enthusiasts who want a complete engine monitoring solution in one compact gauge\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003eDIY mechanics installing a custom dashboard or upgrading from analog gauges to digital readouts\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003ePerformance tuners who need real-time data on boost, air-fuel ratio, and engine temperature during tuning sessions\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eOwners of 12V gasoline vehicles with 4, 6, or 8 cylinders looking for an affordable gauge upgrade\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003eUsage Scenario\u003c\/p\u003e\u003cp\u003eMark just finished installing a turbo kit on his daily driver. He wanted to keep an eye on boost pressure, oil temperature, and engine RPM all at once without cluttering his dashboard with multiple separate gauges. After mounting this 52mm gauge set in his gauge pod, he took the car for a test drive. The blue LED display was easy to read even in direct sunlight, and the red warning light on the water temp gauge caught his attention when the engine started running warmer than usual during a long uphill climb. He was able to pull over and let the engine cool before any damage occurred. Now he drives with confidence knowing he has all the vital information right in front of him.\u003c\/p\u003e\n\u003cp\u003eMicro Comparison\u003c\/p\u003e\u003cp\u003eUnlike single-function gauges that require multiple pods and wiring harnesses, this 7-in-1 unit consolidates all essential readings into one display. It saves dashboard space and simplifies installation. While some digital gauge sets only show basic data, this one includes both boost and vacuum readings plus an air-fuel ratio gauge, giving you more insight into engine performance without needing extra sensors or adapters.\u003c\/p\u003e\n\u003cp\u003eSpecifications\u003c\/p\u003e\u003cp\u003eGauge diameter: 52mm \/ 2 inches\u003c\/p\u003e\n\u003cp\u003eHousing material: ABS plastic with aluminum rim\u003c\/p\u003e\n\u003cp\u003eDisplay type: Digital LED, blue and red\u003c\/p\u003e\n\u003cp\u003ePower: 12V DC, max 0.3A\u003c\/p\u003e\n\u003cp\u003eTachometer range: 0-9999 RPM\u003c\/p\u003e\n\u003cp\u003eTachometer warning: above 5000 RPM\u003c\/p\u003e\n\u003cp\u003eBoost gauge range (PSI): -14 to 29 PSI\u003c\/p\u003e\n\u003cp\u003eBoost gauge range (BAR): -1 to 2 BAR\u003c\/p\u003e\n\u003cp\u003eWater temp range: 40-150 degrees Celsius\u003c\/p\u003e\n\u003cp\u003eOil temp range: 40-150 degrees Celsius\u003c\/p\u003e\n\u003cp\u003eOil press range: 0-150 PSI\u003c\/p\u003e\n\u003cp\u003eVoltmeter range: 8-18V\u003c\/p\u003e\n\u003cp\u003eVoltmeter warning point: 10V\u003c\/p\u003e\n\u003cp\u003eWater temp warning: above 100 degrees Celsius\u003c\/p\u003e\n\u003cp\u003eAir-fuel ratio gauge range: 0-120 PSI\u003c\/p\u003e\n\u003cp\u003eSensor thread: NPT 1\/8 inch\u003c\/p\u003e\n\u003cp\u003eFitment: 12V 4\/6\/8 cylinder gasoline cars\u003c\/p\u003e\n\u003cp\u003ePackage Includes\u003c\/p\u003e\u003cp\u003e- 1 x Digital LED Tachometer\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e1 x Boost Gauge (PSI)\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003e1 x Boost Gauge (BAR)\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003e1 x Water Temperature Gauge\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003e1 x Oil Temperature Gauge\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003e1 x Oil Pressure Gauge\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003e1 x Voltmeter\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003e1 x Air\/Fuel Ratio Gauge\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003e1 x Boost Sensor\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003e1 x Water Temp Sensor (NPT 1\/8)\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003e1 x Oil Temp Sensor (NPT 1\/8)\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003e1 x Oil Press Sensor (NPT 1\/8)\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003e1 x PVC Hose (6 feet)\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003e1 x T-Fitting\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003e1 x Air Filter\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003e1 x Mounting Bracket\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003e1 x Mounting Screws Kit\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003e1 x Screw Knob\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003e1 x Cable\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003e1 x English Installation Instruction\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003eWhy You Will Love It\u003c\/p\u003e\u003cp\u003eYou get seven essential gauges in one compact unit that fits right into your dashboard without taking up extra space. The bright blue display and red warning lights give you instant feedback on engine health, so you can drive with more confidence and catch issues early. It is a practical, cost-effective way to upgrade your car monitoring system without the complexity of multiple separate gauges.\u003c\/p\u003e\n\u003cp\u003eQuestions and Answers\u003c\/p\u003e\u003cp\u003eQuestion: What vehicles is this gauge set compatible with?\u003c\/p\u003e\u003cp\u003eAnswer: It fits 12V gasoline cars with 4, 6, or 8 cylinders. It is not designed for diesel engines or 24V electrical systems.\u003c\/p\u003e\n\u003cp\u003eQuestion: Does this gauge set come with all the sensors and wiring?\u003c\/p\u003e\u003cp\u003eAnswer: Yes, each gauge function includes its corresponding sensor, and the package comes with a cable, mounting hardware, and an English instruction manual.\u003c\/p\u003e\n\u003cp\u003eQuestion: Can I install this gauge set myself?\u003c\/p\u003e\u003cp\u003eAnswer: Yes, if you have basic knowledge of car electrical systems and gauge installation. The package includes an English instruction manual to guide you through the wiring and mounting process.\u003c\/p\u003e\n\u003cp\u003eQuestion: What does the red warning light mean?\u003c\/p\u003e\u003cp\u003eAnswer: The red warning light activates when a reading goes outside the safe range. For example, the voltmeter warns at 10V, the water temp gauge warns above 100 degrees Celsius, and the tachometer warns above 5000 RPM.\u003c\/p\u003e\n\u003cp\u003eQuestion: Is the display bright enough to read in direct sunlight?\u003c\/p\u003e\u003cp\u003eAnswer: Yes, the blue LED digital display is designed to be visible in various lighting conditions, including direct sunlight, so you can read your gauges clearly while driving.\u003c\/p\u003e\n\u003cp\u003eQuestion: What thread size are the sensors?\u003c\/p\u003e\u003cp\u003eAnswer: All sensors use NPT 1\/8 inch thread, which is a standard size for automotive gauge sensors.\u003c\/p\u003e\n\u003cp\u003eQuestion: Does this gauge set include a voltmeter?\u003c\/p\u003e\u003cp\u003eAnswer: Yes, the voltmeter function measures voltage from 8 to 18V with a red warning point at 10V to alert you of low battery voltage.\u003c\/p\u003e\n\u003cp\u003e\u003cimg 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