{"product_id":"2-in-1-voltage-and-air-fuel-ratio-gauge-52mm-digital-gauge-for-12v-car-with-narrowband-o2-sensor","title":"2 in 1 Voltage and Air Fuel Ratio Gauge | 52mm Digital Gauge for 12V Car with Narrowband O2 Sensor","description":"\u003cp\u003eMonitor your engine's performance and electrical system with a single, easy-to-read gauge. This 2 in 1 unit combines a digital air-fuel ratio meter with a voltmeter, giving you real-time data in a compact 52mm design. It is built for 12V gasoline vehicles and includes a narrowband oxygen sensor for accurate AFR readings.\u003c\/p\u003e\n\u003cp\u003eThis gauge helps you keep an eye on your engine's fuel mixture and your battery's voltage. The digital display provides clear, immediate feedback, allowing you to make quick adjustments or spot potential issues early. It is a practical tool for anyone who wants to understand their engine's behavior better.\u003c\/p\u003e\n\u003cp\u003eThe 52mm diameter fits standard gauge pods and holders, making installation straightforward. The black plastic housing and smoke lens give it a clean, race-inspired look that blends well with most interiors. It is designed for universal fitment on cars, trucks, and motorcycles that run on 12V gasoline systems.\u003c\/p\u003e\n\u003cp\u003eWhether you are tuning for performance or just want to keep your vehicle in top shape, this gauge gives you the data you need. It turns complex engine information into a simple, visual readout that you can check at a glance.\u003c\/p\u003e\n\u003cp\u003eKey Features and Benefits\u003c\/p\u003e\u003cp\u003e- 2 in 1 function that combines an air-fuel ratio gauge and a voltmeter, so you can monitor two critical engine parameters from one device.\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003eIncludes a narrowband O2 oxygen sensor that provides accurate AFR readings for precise fuel mixture monitoring.\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003e52mm \/ 2 inch diameter that fits most standard gauge pods and holders, making installation easy.\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eDigital display that shows clear, real-time data, helping you react quickly to changes in engine performance.\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eRacing-inspired design with a black plastic shell and smoke lens that adds a sporty look to your dashboard.\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eWorks with 12V gasoline vehicles including cars, trucks, and motorcycles, offering broad compatibility.\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003eWho Is This For\u003c\/p\u003e\u003cp\u003e- Car enthusiasts who want to monitor their engine's air-fuel ratio and voltage during tuning or daily driving.\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003eMechanics and DIY installers looking for a straightforward gauge that combines two functions in one unit.\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eOwners of 12V gasoline vehicles who want a simple way to check battery health and fuel mixture without a complex setup.\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003eUsage Scenario\u003c\/p\u003e\u003cp\u003eMark noticed his car was running a bit rough after he installed a new intake. He wanted to see if the fuel mixture was off. He installed this 2 in 1 gauge in an empty slot in his gauge pod. Now, he can see his AFR and voltage at a glance. The digital readout helped him confirm the mixture was lean, so he adjusted his tune. The gauge gave him the confidence to dial in his setup without guessing.\u003c\/p\u003e\n\u003cp\u003eMicro Comparison\u003c\/p\u003e\u003cp\u003eMany gauges only show one reading, forcing you to buy separate units for AFR and voltage. This 2 in 1 gauge gives you both in a single 52mm package. It includes the narrowband sensor, so you do not have to source one separately. This saves space on your dashboard and simplifies wiring compared to using two individual gauges.\u003c\/p\u003e\n\u003cp\u003eSpecifications\u003c\/p\u003e\u003cp\u003eMaterial: Plastic Shell\u003c\/p\u003e\n\u003cp\u003eDiameter: 52mm \/ 2 in\u003c\/p\u003e\n\u003cp\u003eVoltage: DC 12V\u003c\/p\u003e\n\u003cp\u003eColor: Black\u003c\/p\u003e\n\u003cp\u003eItem Weight: 350g \/ 12.3 oz\u003c\/p\u003e\n\u003cp\u003ePackage Includes\u003c\/p\u003e\u003cp\u003e- 1x Air Fuel Ratio Gauge\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e1x Sensor\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003eWhy You Will Love It\u003c\/p\u003e\u003cp\u003eYou will appreciate having two important engine readings in one compact gauge. It simplifies your dashboard layout and gives you the information you need to keep your vehicle running smoothly. The clear digital display and sporty look make it a satisfying upgrade for any 12V gasoline car or truck.\u003c\/p\u003e\n\u003cp\u003eQuestions and Answers\u003c\/p\u003e\u003cp\u003eQuestion: Will this gauge work on a diesel engine?\u003c\/p\u003e\u003cp\u003eAnswer: No, this gauge is designed for 12V gasoline engines only. It uses a narrowband O2 sensor that is not compatible with diesel systems.\u003c\/p\u003e\n\u003cp\u003eQuestion: Does this gauge come with the wiring harness?\u003c\/p\u003e\u003cp\u003eAnswer: The gauge includes the sensor and the wiring needed for connection, as shown in the package list. The white wires handle the heater, and the black and gray wires are for the signal.\u003c\/p\u003e\n\u003cp\u003eQuestion: What is the diameter of this gauge?\u003c\/p\u003e\u003cp\u003eAnswer: The gauge has a 52mm \/ 2 inch diameter, which fits standard 2-inch gauge pods and holders.\u003c\/p\u003e\n\u003cp\u003eQuestion: Can I use this gauge to tune my engine for maximum power?\u003c\/p\u003e\u003cp\u003eAnswer: Yes, the air-fuel ratio reading helps you see if your engine is running rich or lean, which is useful for tuning. The voltmeter also helps you monitor your electrical system during adjustments.\u003c\/p\u003e\n\u003cp\u003eQuestion: Is this gauge difficult to install?\u003c\/p\u003e\u003cp\u003eAnswer: Installation is straightforward if you have basic wiring knowledge. The connection guide is included. The white wires are for the heater, and the black and gray wires handle the signal and ground.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S3de49e78eccb430da47a20c1b4ed4241B.jpg\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sb2ef4171e58e49de8cf371dbf69d7296n.jpg\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae03.alicdn.com\/kf\/S26c1c923d7de4b26a988c14d3d7387f7Z.jpg\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae03.alicdn.com\/kf\/S92dc121624394c50b4c9f03f14429458x.jpg\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S71ee758ec4e24a419186fa0fb54e3a619.png?width=186\u0026amp;amp;height=270\u0026amp;amp;hash=456\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae03.alicdn.com\/kf\/S262619d635ec481e8651ebb61affb45ew.jpg\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae03.alicdn.com\/kf\/Sde3278d57c4f4635a690f3f3f34b220ap.jpg\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae03.alicdn.com\/kf\/Sf4e30de8de674fa6885dfc8954f0a59bl.jpg\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae03.alicdn.com\/kf\/Sa6a6e4132a6249cd9de9aa5358fb1937x.jpg\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae03.alicdn.com\/kf\/S8f189817ae1047a8a407a8936ea431eeQ.jpg\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae03.alicdn.com\/kf\/S9a06fd3df02542548ad4e7fa5e6f8887V.jpg\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae03.alicdn.com\/kf\/S7240a88cef1c4f5386a63d5ac0256c6e8.jpg\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae03.alicdn.com\/kf\/S2c4b9f278f314a0f9a90a55c5e8fe9a2I.jpg\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae03.alicdn.com\/kf\/S981f64ae73d44e1e8a0403387e7a1837h.jpg\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae03.alicdn.com\/kf\/S8e5f653da76b4bc59f1ee7f0a91ab521R.jpg\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae03.alicdn.com\/kf\/S6ae9b15578264a84992cdc60e367938ex.jpg\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae03.alicdn.com\/kf\/S390b6c9e22bc4824a1551291c152e3185.jpg\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae03.alicdn.com\/kf\/Sd3087771e0b649dfbedb0ba01e893b90D.jpg\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae03.alicdn.com\/kf\/S2e906faaa4604fde8b87d0ce1074ab61K.jpg\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae03.alicdn.com\/kf\/Se80f475322594e7bbff05ff7d1057b846.jpg\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae03.alicdn.com\/kf\/S4adf3db945be4ac59fb7319bb7dd6d73p.jpg\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/ae03.alicdn.com\/kf\/S3fa86a29333c4af1967871f420510798B.jpg\" alt=\"\"\u003e\u003c\/p\u003e","brand":"MyPetiteCar.com","offers":[{"title":"Gauge and sensor-2 \/ CN","offer_id":50558992220397,"sku":"14:200004890#Gauge and sensor-2;200007763:201441035","price":108.45,"currency_code":"USD","in_stock":true},{"title":"Air Fuel Ratio -1 \/ CN","offer_id":50558992253165,"sku":"14:200004891#Air Fuel Ratio -1;200007763:201441035","price":101.64,"currency_code":"USD","in_stock":true},{"title":"Gauge and sensor-1 \/ CN","offer_id":50558992285933,"sku":"14:200004889#Gauge and sensor-1;200007763:201441035","price":107.31,"currency_code":"USD","in_stock":true},{"title":"Only sensor \/ CN","offer_id":50558992318701,"sku":"14:365458#Only sensor;200007763:201441035","price":106.84,"currency_code":"USD","in_stock":true},{"title":"Air Fuel Ratio-2 \/ CN","offer_id":50558992351469,"sku":"14:200003699#Air Fuel Ratio-2;200007763:201441035","price":104.92,"currency_code":"USD","in_stock":true},{"title":"52mm Gauge Cup \/ CN","offer_id":50558992384237,"sku":"14:200002130#52mm Gauge Cup;200007763:201441035","price":68.96,"currency_code":"USD","in_stock":true}],"url":"https:\/\/www.webster.direct\/products\/2-in-1-voltage-and-air-fuel-ratio-gauge-52mm-digital-gauge-for-12v-car-with-narrowband-o2-sensor","provider":"Webster.Direct","version":"1.0","type":"link"}