Top Automotive Replacement Air and Fuel Ratio Gauges

The best Automotive Replacement Air & Fuel Ratio Gauges includes AEM X-Series Wideband AFR Gauge [30-0300], ZHSYMX Wideband Air/Fuel Ratio Gauge (52mm), ZHSYMX 2" Wideband AFR Gauge Kit and many others as mentioned below.

1

AEM X-Series Wideband AFR Gauge [30-0300]

  • Modern, visually striking faceplate design.
  • Large seven-segment center display for easy reading.
  • Includes 0-5v and RS232 Serial Port outputs.
  • AEMnet (CANbus) output for enhanced data logging.
  • Fast response time for optimized engine tuning.
  • Improved feedback control for safer operation.
  • Compatible with inertia dyno for accurate tuning.
  • Average Rating out of 5:
  • Price Range: $199.00
2

ZHSYMX Wideband Air/Fuel Ratio Gauge (52mm)

  • Real-time feedback with high accuracy.
  • Fast response time for reliable readings.
  • Standard 52mm housing for easy installation.
  • No free-air calibration required.
  • Compatible with various engine management systems.
  • Measures air/fuel ratio with digital display.
  • Exceptional customer service for all inquiries.
  • Average Rating out of 5:
  • Price Range: $80.99
  • Material: Adult Sex Toys for Women 104
3

ZHSYMX 2" Wideband AFR Gauge Kit

  • Universal 2" size fits various instrument pods.
  • Compatible with many engine management systems.
  • Easy installation with standard 52mm housing.
  • No free-air calibration required for accuracy.
  • Real-time feedback with high accuracy sensor.
  • Broadband measurement with digital display feature.
  • Exceptional customer service for a great experience.
  • Average Rating out of 5:
  • Price Range: $81.44
  • Material: Plastic, Metal
4

FHRHRY 52mm Wideband AFR Gauge Kit

  • Digital LED display for easy reading.
  • Color-changing needle indicates AFR changes.
  • Compatible with most instrument pods.
  • 0-5V analog output for data loggers.
  • 4.9 LSU sensor ensures fast, accurate readings.
  • Plug-and-play installation for convenience.
  • 24-month warranty and customer support available.
  • Average Rating out of 5:
  • Price Range: $94.99
  • Material: Stainless Steel
5

Gledewen Wideband Air Fuel Ratio Gauge (30-0300)

  • 24-color-coded LED display for easy readability.
  • Switch between air-fuel-ratio, lambda, and oxygen percentage.
  • Real-time monitoring for optimal engine performance.
  • LSU 4.9 sensor ensures fast, precise response times.
  • Two calibration modes for user convenience.
  • Compatible with various vehicles and systems.
  • 12-month warranty for worry-free purchase.
  • Average Rating out of 5:
  • Price Range: $99.99
6

DENSO Fuel Ratio Sensor (234-9040)

  • High-quality Denso manufacturing for reliability.
  • Accurately measures air fuel ratio in exhaust.
  • Durable zirconium material ensures long-lasting performance.
  • Zirconia solid electrolyte for enhanced accuracy.
  • Simple installation process for user convenience.
  • Optimizes engine performance through precise measurements.
  • Compatible with various vehicle models for flexibility.
  • Average Rating out of 5:
  • Price Range: $105.99
  • Material: Zirconium
7

CNRAQR Wideband O2 Sensor Gauge Kit [LSU 4.9]

  • Easy installation with standard 52mm housing.
  • Never requires free-air calibration.
  • Highly flexible and expandable controller box.
  • Customizable connections for different vehicles.
  • Compatible with up to 16V systems.
  • Real-time feedback with high accuracy.
  • Broadband measurement for precise tuning.
  • Average Rating out of 5:
  • Price Range: $81.44
  • Material: [Predicted Value: Metal or High-Quality Plastic]
8

Gelessy Wideband O2 Sensor Gauge Kit

  • Accurate air/fuel ratio monitoring for tuning.
  • 0-5V analog output for data logging compatibility.
  • Responsive and precise sensor for reliable readings.
  • Fits standard 52mm gauge pods easily.
  • Interchangeable faceplates for customizable appearance.
  • Lifetime warranty ensures product quality assurance.
  • Easy installation with all necessary components included.
  • Average Rating out of 5:
  • Price Range: $93.99
  • Material: Metal
9

Denso Fuel Ratio Sensor (234-9008)

  • Precision-engineered for optimal performance.
  • Lightweight design at only 0.3 lbs.
  • No core charge required for easy installation.
  • Durable construction ensures long-lasting use.
  • Compact dimensions fit various vehicle models.
  • Enhances fuel efficiency and reduces emissions.
  • Trusted Denso quality for reliable operation.
  • Average Rating out of 5:
  • Price Range: $74.59
  • Material: Zirconium
10

KIMISS 52mm Digital Air Fuel Ratio Gauge

  • 52mm digital air fuel ratio gauge
  • LED blue display for easy readability
  • Compatible with 12V gasoline vehicles
  • Lightweight design enhances racing aesthetics
  • High-quality materials ensure durability
  • Accurate AFR data for optimal tuning
  • Easy installation with user manual provided
  • Average Rating out of 5:
  • Price Range: $25.03
  • Material: Plastic
11

Denso Air Fuel Ratio Sensor [234-9064]

  • High-quality Denso air fuel ratio sensor
  • Compatible with various vehicle models
  • Durable construction for long-lasting performance
  • Features 4-wire 14” harness for easy connection
  • Accurate readings for optimal engine performance
  • Simple installation process for DIY enthusiasts
  • Zirconia solid electrolyte for reliable detection
  • Average Rating out of 5:
  • Price Range: $99.99
  • Material: Zirconium
12

AEM X-Series Wideband OBDII Gauge

  • Fastest responding wideband AFR controller available.
  • OBDII pass-through for seamless ECU integration.
  • Provides real-time AFR readings via CAN-bus.
  • Perfect for piggyback programmers and tuning software.
  • High-quality construction for durability and reliability.
  • Easy installation with detailed instructions included.
  • International product may vary in specifications.
  • Average Rating out of 5:
  • Price Range: $256.95
  • Size: ‎52 Millimeters
  • Material: Plastic, Metal
13

Denso Fuel Ratio Sensor (234-9042)

  • High-quality Denso air fuel ratio sensor.
  • Precise exhaust gas ratio detection.
  • Durable construction for long-lasting performance.
  • Zirconia solid electrolyte ensures high accuracy.
  • Easy installation for convenient use.
  • Thread diameter of 18mm for compatibility.
  • Wire length measures 302mm for flexibility.
  • Average Rating out of 5:
  • Price Range: $117.99
  • Material: Ceramic
14

ARTILAURA 52mm Air/Fuel Ratio Gauge

  • LED digital display for easy nighttime reading.
  • Range: 10.00 to 20.00 AFR readings.
  • Compatible with 12V vehicles for straightforward installation.
  • Includes high sensitivity narrowband oxygen sensor.
  • Easy operation with a clear black dial.
  • Comes with an English manual for guidance.
  • Durable design for reliable performance in cars.
  • Average Rating out of 5:
  • Price Range: $39.99
  • Material: Acrylonitrile Butadiene Styrene (ABS)
15

HLUCHY 52mm Air Fuel Ratio Gauge Kit

  • Customizable controller for optimal engine performance.
  • Highly flexible and expandable configuration options.
  • Standard 52mm size fits various instrument pods.
  • Compatible with vehicle voltages up to 16V.
  • Real-time feedback with high accuracy and speed.
  • Measures every 0.1 change in air/fuel ratio.
  • Broadband measurement for precise engine tuning.
  • Price Range: $79.90
16

ARTILAURA 52mm LED Air/Fuel Ratio Gauge

  • LED display for easy night visibility.
  • 52mm gauge with sleek black dial design.
  • Measures Air/Fuel Ratio from 10.00 to 20.00 AFR.
  • Compatible with 12V vehicles for optimal performance.
  • Includes Narrowband Oxygen Sensor for accurate readings.
  • High sensitivity ensures quick response and operation.
  • Comes with detailed English manual for guidance.
  • Average Rating out of 5:
  • Price Range: $39.99
  • Material: Acrylonitrile Butadiene Styrene (ABS)
17

DENSO Fuel Ratio Sensor (234 9022)

  • High-quality DENSO air fuel ratio sensor.
  • Direct fit for specific vehicle models.
  • Improves engine performance and efficiency.
  • Durable construction for long-lasting use.
  • Easy installation with no modifications required.
  • Compatible with a variety of submodels.
  • Reliable sensor for accurate fuel measurement.
  • Average Rating out of 5:
  • Price Range: $123.62
18

NTK 27038 5-Wire Wideband A/F Sensor

  • Enhances fuel economy and engine performance.
  • Reduces harmful vehicle exhaust emissions.
  • Precision-engineered for durable performance.
  • Incorporates advanced NTK technical ceramics.
  • OE type design for easy installation.
  • Compatible with various vehicle makes and models.
  • Ensures accurate air/fuel ratio measurements.
  • Price Range: $59.99
  • Material: Alloy Steel, Stainless Steel, Ceramic
19

MAIMEIMI 2" Air Fuel Ratio Gauge Kit

  • 2" 52mm digital air fuel ratio gauge.
  • Blue LED display for clear visibility.
  • Narrowband O2 sensor included for accurate readings.
  • Compatible with 12V gasoline engines.
  • Easy installation with included mounting hardware.
  • Improves vehicle performance and driving safety.
  • Tinted lens reduces glare for night driving.
  • Average Rating out of 5:
  • Price Range: $38.99
  • Color: Black
  • Material: Plastic, Metal
20

Auto Meter Wide Band Air Fuel Ratio Kit

  • Includes Bosch LSU4.2 sensor for accurate readings.
  • 8ft wiring harness for easy installation.
  • 304 stainless steel weld-in bung included.
  • Supports data output for ECU and tuning.
  • Compatible with gasoline powered engines.
  • Digital display with LED radial bar graph.
  • Works with 12 and 16 volt systems.
  • Average Rating out of 5:
  • Price Range: $223.05
  • Material: Stainless Steel
21

GlowShift Digital Wideband AFR Gauge Kit [52mm]

  • Essential for tuning gasoline and E85 vehicles.
  • Wideband readings from 10.00 to 20.00 AFR.
  • Includes 4.9 LSU wideband oxygen sensor.
  • Customizable 7 color digital display options.
  • Tinted lens with a sleek black dial.
  • Includes weld-in bung and installation hardware.
  • One year warranty and lifetime technical support.
  • Average Rating out of 5:
  • Price Range: $199.99
  • Color: GlowShift Gauges, LLC
  • Material: Aluminum
22

Amrxuts Upstream Oxygen Sensor [234-9050]

  • Fixes check engine light issues effectively.
  • Enhances fuel economy and reduces emissions.
  • Extreme durability for long-lasting performance.
  • Direct fit for easy installation process.
  • Compatible with multiple Toyota models and years.
  • Includes a 1-year warranty for peace of mind.
  • Part numbers: 234-9050, 89467-04010, 89467-07020.
  • Average Rating out of 5:
  • Price Range: $34.99
  • Material: Stainless Steel, Aluminum
23

Automotive-leader 2Pcs Upstream/Downstream O2 Sensors

  • 2 Years warranty for peace of mind.
  • Improves fuel efficiency and vehicle performance.
  • Durable design for long-lasting use.
  • Direct fit for various Audi and Volkswagen models.
  • Heated 5-wire sensor for reliable readings.
  • Rigorous testing for quality assurance.
  • Responsive customer service available 24/7.
  • Average Rating out of 5:
  • Price Range: $35.99
  • Material: Lead
24

GlowShift 7-Color Digital AFR Gauge Kit

  • 7-color digital display for custom interior styling.
  • Wideband AF readings for gasoline and E85 vehicles.
  • Includes 4.9 LSU oxygen sensor for accurate measurements.
  • Easy installation with weld-in bung and mounting hardware.
  • Dimmer wire reduces brightness with headlights on.
  • Lifetime technical support and one-year warranty included.
  • Compact 2-1/16" (52mm) gauge fits most dashboards.
  • Average Rating out of 5:
  • Price Range: $199.99
  • Color: GlowShift Gauges, LLC
  • Material: Stainless Steel, Aluminum, Plastic
25

ACROPIX Car Battery Current Sensor (68318616AC)

  • Compatible with various Chrysler and Jeep models.
  • Replaces part numbers 68318616AC and 56029778AB.
  • Monitors battery voltage and temperature effectively.
  • Durable materials ensure long-lasting performance.
  • Solves low battery and charging issues.
  • Easy installation with original cables.
  • Includes one battery current sensor in package.
  • Average Rating out of 5:
  • Price Range: $46.49
  • Material: Plastic, Metal
26

AEM [30-4110NS] Digital Wideband Gauge, Black

  • Digital wideband UEGO gauge for precise measurements.
  • Compact 52mm (2-1/16”) gauge housing design.
  • RS232 serial output for data logging capabilities.
  • Interchangeable black/white faceplates for customization.
  • Includes weld-in bung for easy installation.
  • Gauge hardware sold separately from wideband sensor.
  • Black and silver bezels for stylish appearance.
  • Average Rating out of 5:
  • Price Range: $131.68
  • Size: ‎2.03 Inches,‎2-1/16th (52mm)
  • Material: Metal