The AEM X-Series AEMnet CAN Bus Gauge (30-0312) provides a high-speed digital interface for monitoring critical data from your AEMnet-equipped devices. Utilizing a single 4-pin DTM CAN bus connection, this gauge can display real-time data channels from Infinity ECUs, Series 2 or EMS-4 standalone systems, X-Series Wideband controllers, and Vehicle Dynamics Modules. Its ultra-slim 0.825-inch overall depth allows for versatile mounting in shallow dashboards or tight gauge pods where traditional mechanical or analog gauges cannot fit.

Designed for professional monitoring, the gauge features a 24-segment green LED outer ring for immediate visual reference of engine parameters and a central digital display for precise readings. Users can toggle between US and Metric units, switch between AFR or Lambda measurements, and clear peak values directly via the faceplate buttons. The intelligent software automatically hides channels not present in the data stream to streamline your monitoring experience.

• Dimensions: 2-1/16" (52mm) diameter with 0.825" total gauge depth and 0.200" cup depth
• Connectivity: 4-pin DTM connector for secure AEMnet CAN bus integration
• Display: 24 green outer LEDs with auto-dimming sensor for ideal day or night brightness
• Customization: Programmable channel selection and selectable units (US or Metric)
• System Compatibility: Compatible with 16V vehicle electrical systems
• Manufacturer Part Number: 30-0312

Fits select 2008-2024 model year vehicles equipped with a CAN bus OBDII port.

The AEM X-Series OBDII gauge (PN 30-0311) provides a streamlined solution for monitoring real-time engine data without the need for individual sensor wiring. By tapping directly into the vehicle's CAN bus stream via the factory OBDII port, this gauge displays multiple data channels and functions as a diagnostic tool to read and clear Diagnostic Trouble Codes (DTCs).

Designed for versatility, the X-Series features an ultra-slim 0.825-inch overall depth, allowing for mounting in shallow gauge pods or custom locations where space is at a premium. The interface includes a high-visibility center LED display and a 24-segment green outer LED ring for rapid visual reference of critical engine parameters.

• Manufacturer Part Number: 30-0311
• Standard 2-1/16 inch (52mm) gauge diameter for easy pod mounting
• Ultra-slim 0.825" total depth and 0.200" cup depth
• Reads and clears Diagnostic Trouble Codes (DTCs)
• Auto-dimming sensor for optimal visibility in all lighting conditions
• Positive locking connectors for a secure, vibration-resistant connection
• Programmable center LED is 87% larger than previous AEM gauge generations
• Compatible with 2008-2024 vehicles using CAN-based OBDII protocols

The AEM X-Series Inline Wideband UEGO Controller (MPN 30-0310) delivers critical air/fuel ratio (AFR) data with industry-leading speed. Designed for high-performance tuning, this controller utilizes patented X-Digital technology to significantly reduce deadtime. Faster response times ensure that fueling adjustments correlate to the correct operating cell, which is vital for protecting high-compression or high-boost forced induction engines during auto-tuning or dyno sessions.

• Fastest Response: Proven as the fastest responding wideband AFR controller in independent testing against 17 competitors.
• Bosch 4.9LSU Sensor: Includes a genuine Bosch 4.9LSU wideband UEGO sensor for laboratory-grade accuracy.
• X-Digital Technology: Patented digital logic (Patent 9,575,030) provides high-speed feedback for precise engine management.
• Calibration-Free: Features a factory-calibrated resistor for immediate accuracy without free-air calibration, though the option remains available as the sensor ages.
• Versatile Connectivity: Includes 0-5V and RS232 outputs for data logging and AEMnet (CANbus) for daisy-chaining up to 16 cylinders.
• Rugged Design: Weather-resistant, low-profile housing compatible with vehicle systems up to 16V.

The AEM X-Series Digital Pressure Gauge (30-0309) provides highly accurate 0-15 PSI monitoring in a modern, ultra-slim profile. Engineered for high visibility and easy integration, this 52mm gauge features a center LED display that is 87% larger than previous models and a 24-green-LED outer ring for quick-reference sweeping needle functionality. Its remarkably thin 0.825" overall depth allows for versatile mounting in shallow gauge pods or panels.

• Precision Connectivity: Features AEMnet CAN-bus output for daisy-chaining with Infinity ECUs, Series 2 EMS, or AQ-1 Data Loggers, plus a 0-5V analog output for 3rd-party loggers and engine management.
• User Interface: Two faceplate buttons allow for peak/recall functionality, selecting between standard or metric units, and setting user-defined threshold warnings.
• Specifications: 52mm (2-1/16th inch) diameter, 0.825" total depth, 0.200" cup depth, and auto-dimming sensor for optimal brightness.
• Secure Installation: Equipped with positive locking connectors to ensure a reliable connection even in high-vibration automotive environments.

The kit includes the digital gauge, pressure sensor, and wiring harness required for installation.

The AEM X-Series Digital Boost Pressure Gauge (MPN 30-0308) delivers high-speed accuracy and advanced integration for forced induction engines. This kit features a wide measurement range from -30 inHg up to 60 PSI (or -1 to 4 BAR), displayed on a high-contrast center LED that is 87% larger than previous AEM models for improved legibility at a glance. The ultra-slim 0.825-inch mounting depth and standard 2-1/16 inch (52mm) diameter allow for versatile installation in shallow gauge pods or custom dash setups.

• Measurement Range: -30 inHg to 60 PSI / -1 to 4 BAR (user-selectable)
• AEMnet CAN-bus enabled for seamless data daisy-chaining with Infinity ECU, Series 2 EMS, or AQ-1 Data Logger
• 0-5V analog output for integration with third-party engine management systems and data loggers
• 24 green outer LEDs for rapid visual reference of engine parameters
• Programmable peak/recall and threshold warnings via faceplate buttons
• Auto-dimming sensor automatically adjusts display brightness for day and night driving
• Positive locking connectors ensure a secure electrical connection under vibration
• Slim 0.825" overall depth with 0.200" cup depth

Each kit includes the digital gauge, wiring harness, and necessary hardware. For aesthetic customization, silver bezel and white faceplate accessory kits are available separately.

The AEM X-Series 30-0307 Digital Oil Pressure Gauge provides critical engine data with high-speed accuracy and class-leading readability. Housed in a standard 52mm (2-1/16 inch) diameter body, this gauge features a slim overall depth of 0.825 inches and a cup depth of just 0.200 inches, allowing for versatile mounting in shallow dashboards or tight gauge pods.

• High-Visibility Display: Features a center LED readout that is 87% larger than original AEM digital gauges, complemented by 24 sweeping green outer LEDs for immediate reference.
• Advanced Connectivity: Includes AEMnet CAN-bus for daisy-chaining with Infinity ECUs, Series 2 EMS, or AQ-1 Data Loggers, plus a 0-5V analog output for third-party systems.
• User Programmable: Use the faceplate buttons to set threshold warnings, toggle between PSI and BAR, and access Peak/Recall functions.
• Technical Specifications: Digital range of 0-150 PSI (0-10 BAR) with auto-dimming sensor and secure, positive-locking connectors.
• Included in Kit: Black bezel and double-sided black faceplate (PSI/BAR), sensor, and necessary wiring harness.

The AEM X-Series 30-0306 Boost Pressure Gauge provides high-speed digital monitoring of manifold pressure ranging from -30 inHg to 35 PSI (-1 to 2.5 BAR). Engineered for precision and ease of installation, this 52mm (2-1/16 inch) gauge features an ultra-slim 0.825-inch overall depth, allowing it to be mounted in shallow pods or custom clusters where traditional mechanical gauges cannot fit.

• Advanced Display: Features a programmable center LED display that is 87% larger than previous AEM models and 24 green outer LEDs for a sweeping needle effect and quick engine parameter reference.
• Seamless Integration: AEMnet CAN-bus enabled for daisy-chaining with Infinity ECU, Series 2 EMS, and AQ-1 Data Loggers. It also includes 0-5V analog outputs for 3rd party EMS or data logging systems.
• User Programmable: Faceplate buttons allow for peak/recall, threshold warning setup, and switching between standard (PSI) and metric (BAR) units.
• Durable Construction: Includes positive locking connectors for a secure connection and an auto-dimming sensor for ideal display brightness in all lighting conditions.

The 30-0306 kit includes the digital gauge, mounting hardware, and necessary wiring. Optional silver bezel and white faceplate accessory kits are available separately.

Monitor critical engine health with the AEM X-Series Digital Exhaust Gas Temperature (EGT) Gauge. Designed for high-performance tuning, this 52mm (2-1/16") gauge provides a precise 0-1800°F range to help prevent engine damage from lean conditions or excessive heat. Its ultra-slim 0.825" depth allows for versatile mounting in shallow pods or panels, while the large digital center readout is 87% larger than previous AEM models for improved legibility at a glance.

• Connectivity: AEMnet CAN-bus enabled for daisy-chaining with Infinity ECU, Series 2 EMS, and AQ-1 Data Loggers; includes a 0-5V analog output for 3rd party systems.
• Display: 24 green outer LEDs with a programmable center readout and auto-dimming sensor for optimal visibility in any lighting.
• Functionality: Faceplate buttons for peak/recall and user-selectable threshold warnings.
• Dimensions: 52mm diameter, 0.825" overall depth, and 0.200" cup depth.
• Reliability: Features positive locking connectors for secure performance under vibration.

MPN: 30-0305

The AEM X-Series 30-0303 Digital Volt Gauge provides precise monitoring of your vehicle’s electrical system within an 8-18V range. Engineered for versatility and ease of installation, this 52mm (2-1/16-inch) gauge features an ultra-slim 0.825-inch overall depth and a shallow 0.200-inch cup, allowing it to be mounted in shallow pods or custom dashboard locations where space is limited.

This gauge is AEMnet CAN-bus enabled, allowing you to daisy-chain it with other X-Series gauges for direct data transmission to an Infinity ECU, Series 2 EMS, or AQ-1 Data Logger. For those using other systems, it also includes a 0-5V analog output for seamless integration with third-party engine management systems and loggers. The interface features a high-contrast digital center display and 24 green outer LEDs for immediate system voltage reference, while an integrated auto-dimming sensor adjusts brightness for any lighting condition.

• Manufacturer Part Number: 30-0303
• Measurement Range: 8-18V
• Gauge Diameter: 52mm (2-1/16")
• Overall Depth: 0.825" (Cup Depth: 0.200")
• Display: 24 green outer LEDs with programmable center digital readout
• AEMnet CAN-bus and 0-5V analog outputs included
• Peak/Recall functionality accessible via faceplate buttons
• Positive locking connectors for a vibration-resistant connection

Customize your monitoring setup with the AEM X-Series Temperature Gauge Accessory Kit (30-0302-ACC). This comprehensive kit allows users to tailor their display to match their vehicle's interior while providing high-accuracy readings for water, oil, or transmission temperatures. Featuring an ultra-slim 0.825-inch overall gauge depth and a 0.200-inch cup depth, this 52mm (2-1/16th inch) gauge can be mounted virtually anywhere, including thin pillar pods.

This kit is fully AEMnet CANbus-enabled and includes 0-5v analog outputs for seamless data transmission to an EMS or data logger. The auto-dimming sensor ensures the display remains legible in all lighting conditions, while the programmable center LED and 24 green outer LEDs provide immediate visual feedback of critical engine parameters.

• Manufacturer Part Number: 30-0302-ACC
• Temperature Range: 100-300°F (40-150°C) with user-selectable units
• Bezel: Silver
• Included Faceplates: Black (Transmission, Oil) and White (Water, Transmission, Oil)
• Mounting Diameter: 52mm (2-1/16")
• Output: AEMnet CANbus and 0-5v analog
• Features: Peak/Recall via face buttons and user-selectable threshold warnings
• Connectivity: Positive locking connectors for a secure installation

The AEM X-Series Digital Water Temperature Gauge (MPN 30-0302) provides high-accuracy monitoring of engine coolant temperatures in a slim, modern form factor. Measuring just 0.825 inches in overall depth with a 0.200-inch cup depth, this 2-1/16 inch (52mm) gauge can be surface-mounted or installed in shallow pods where traditional gauges won't fit. The display features a center digital readout that is 87% larger than previous AEM models and 24 green outer LEDs for immediate visual reference of your engine parameters.

Built for advanced integration, the 30-0302 includes AEMnet CAN-bus connectivity, allowing it to be daisy-chained with an Infinity ECU, Series 2 EMS, or AQ-1 Data Logger. It also features a 0-5V analog output for compatibility with third-party engine management systems and data loggers. The user-programmable interface allows for peak/recall functionality, threshold warnings, and toggling between standard (100-300°F) and metric (40-150°C) units via faceplate buttons.

• 52mm (2-1/16") gauge diameter with ultra-slim 0.825" mounting depth
• Display range: 100-300°F / 40-150°C (User selectable)
• AEMnet CAN-bus enabled for data logging and EMS integration
• 0-5V analog output for external data acquisition
• 24 green outer LEDs and large center digital readout
• Auto-dimming sensor for optimal day/night visibility
• Positive locking connectors for secure automotive wiring
• Black bezel and water temperature faceplate included
• Manufacturer Part Number: 30-0302

The AEM X-Series 30-0301-ACC Accessory Kit provides essential customization components for the 0-100 PSI (0-7 BAR) pressure gauge. This kit includes a silver bezel and three interchangeable faceplates—black fuel, white fuel, and white oil—allowing you to match your vehicle's interior aesthetic or cluster layout. Designed for high-performance applications, the X-Series platform combines a slim 0.825-inch mounting depth with advanced data integration via AEMnet CANbus and 0-5V analog outputs for seamless communication with your EMS or data logger.

• Manufacturer Part Number: 30-0301-ACC
• Pressure Range: 0-100 PSI / 0-7 BAR (User selectable)
• Gauge Diameter: 2-1/16 inch (52mm) for standard gauge pod fitment
• Mounting Depth: Ultra-slim 0.825 inch overall depth; 0.200 inch cup depth
• Data Outputs: AEMnet CANbus-enabled and 0-5V analog output
• Visual Interface: 24 green outer LEDs and a programmable center LED (87% larger than previous generations)
• Lighting: Auto-dimming sensor for ideal brightness and peak/recall functionality via face buttons
• Inclusions: Silver bezel, black fuel faceplate, white oil faceplate, white fuel faceplate, and positive locking connectors

The AEM X-Series 30-0301 digital pressure gauge provides high-speed accuracy for monitoring oil, fuel, or air pressure from 0 to 100 PSI (0 to 7 BAR). Featuring a slim 0.825-inch overall depth and a shallow 0.200-inch cup, this 52mm (2-1/16 inch) gauge can be surface-mounted or installed in shallow pods where traditional mechanical or electronic gauges won't fit.

Built for advanced data integration, the 30-0301 includes AEMnet CAN-bus connectivity for daisy-chaining with the Infinity ECU, Series 2 EMS, or AQ-1 Data Logger. It also provides a 0-5V analog output for compatibility with third-party engine management systems and loggers. The interface features a programmable center LED display that is 87% larger than previous AEM generations, paired with 24 green outer LEDs for a sweeping needle effect.

• Range: 0-100 PSI / 0-7 BAR (User-selectable units)
• Form Factor: 52mm (2-1/16") diameter; ultra-slim 0.825" mounting depth
• Data Interface: AEMnet CAN-bus enabled and 0-5V analog output
• Features: Peak/Recall buttons, user-selectable threshold warnings, and auto-dimming sensor
• Construction: Positive locking connectors for secure electrical contact
• Part Number: 30-0301

Personalize the appearance of your AEM Performance Electronics 30-0300 X-Series Wideband UEGO AFR Gauge with this genuine Silver Bezel and White Faceplate Accessory Kit. Designed to allow for seamless integration with varied interior aesthetics or existing gauge clusters, this kit provides a high-contrast alternative to the standard black finish.

This accessory kit includes a precision-molded silver bezel and a dual-faced white faceplate featuring both Air/Fuel Ratio (AFR) and Lambda scales. Engineered for a direct fit on the slim 52mm X-Series gauge housing, these components maintain full access to the interface buttons and do not interfere with the auto-dimming feature or the digital center display.

• Specifically designed for AEM X-Series Wideband UEGO AFR Controller Gauge (PN 30-0300)
• Includes one silver replacement bezel for 52mm gauge housings
• Includes one white dual-faced faceplate (AFR and Lambda scales)
• Direct replacement for original black bezel and faceplate components
• Maintains factory-level fit and finish
• Manufacturer Part Number: 30-0300-ACC

The AEM X-Series Wideband UEGO AFR Controller Gauge (30-0300) utilizes patented X-Digital technology (Patent 9,575,030) to deliver the fastest response times for more accurate engine tuning. By minimizing deadtime—the delay between exhaust gas changes and sensor reporting—this controller provides the high-speed feedback necessary for safe, precise fuel mapping in high cylinder pressure applications and EFI systems.

• Superior Response: Independently tested as the fastest responding wideband controller among 17 competitors for improved feedback control.
• Comprehensive Connectivity: Features 0-5V and RS232 outputs for data logging, plus AEMnet (CANbus) for daisy-chaining up to 16 cylinders.
• Precision Display: User-configurable 3- or 4-digit display can toggle between AFR, Lambda, and O2% readings with an auto-dimming feature.
• Simplified Calibration: Factory-calibrated resistor eliminates the need for free-air calibration, though the option is supported for advanced users.
• Smart Detection: Built-in auto-sensor detection for both AEM FAE and Bosch LSU 4.9 wideband sensors.
• Low-Profile Fitment: Standard 52mm gauge diameter with a slim 0.825-inch total depth and a shallow 0.200-inch cup depth.
• Complete Package: Includes black bezel and black double-sided faceplate; compatible with supply voltages up to 16V.

Fits select 2008-2023 Chevrolet, Dodge, Ford, GMC, and Ram trucks and SUVs. The aFe POWER AGD (Advanced Gauge Display) provides real-time monitoring of over 25 critical engine parameters through a sleek, high-resolution 5.5-inch multi-touch interface.

Designed for easy installation and daily utility, the AGD connects directly to your vehicle's OBDII port for instant data access. The unit features integrated Bluetooth connectivity, allowing it to work seamlessly with aFe POWER SCORCHER BLUE modules and control multi-position tunes from supported third-party providers. Its unique magnetic base allows you to quickly remove the display from the windshield mount without disconnecting cables, providing both security and convenience.

Beyond simple monitoring, the AGD functions as a powerful diagnostic tool, enabling you to read and clear Diagnostic Trouble Codes (DTCs). Users can customize gauge layouts and monitor specialized vehicle performance data and driving coach parameters to optimize efficiency and power.

• 5.5-inch high-resolution multi-touch display with customizable layouts
• Direct OBDII port connection for simple plug-and-play installation
• Integrated Bluetooth for use with SCORCHER BLUE and third-party tuning modules
• Real-time monitoring of 25+ vehicle parameters and performance data
• Read and clear engine diagnostic trouble codes (DTCs)
• Includes windshield mount with a quick-release magnetic base
• Manufacturer Part Number: 77-91001