Skip to product information
1 of 5

Innovate Motorsports

Innovate Motorsports 3924 MTX-L PLUS Digital Wideband AFR Gauge Kit Universal

Regular price
$229.95
Regular price
Sale price
$229.95
Shipping calculated at checkout.

In Stock: 5

Orders by 1pm PST ship same business day

Free Shipping w/3-4 Day Delivery

Authorized Dealer

Fitment Guarantee

30-Day Hassle Free Returns


Product Specification:

SKU:INN3924

MPN: 3924

UPC: 856428039241

Weight: 1.7 lb

Inventory: 5

Type: Gauges



Vehicle Fitment

  • Universal fit - Designed for any internal combustion engine with a wideband O2 sensor port
  • Not vehicle specific - suitable for cars, trucks, motorsport or custom projects

Features

  • MTX-L PLUS digital wideband air/fuel ratio gauge kit by Innovate Motorsports
  • Patented DirectDigital™ technology for fast and accurate AFR readings
  • Advanced sensor control optimizes heater performance
  • Large digital display with programmable "digital needle"
  • Displays in AFR (air/fuel ratio) or Lambda
  • Interchangeable faceplates and bezels included
  • Bosch LSU 4.9 wideband O2 sensor compatible with various fuel types
  • Includes Innovate MTS serial in/out for data logging integration

Specifications

  • Part Number: 3924
  • Brand: Innovate Motorsports
  • Gauge Type: Digital wideband air/fuel ratio (AFR) gauge
  • Gauge Diameter: 2-1/16" (52 mm)
  • Display: Digital numeric readout with optional digital needle
  • Sensor Type: Bosch LSU 4.9 wideband O2 sensor
  • Fuel Measurement: AFR and Lambda compatible
  • Outputs: Analog 0-5 V and MTS serial data ports
  • Installation Type: Dashboard or pillar mount gauge

Included Components

  • 1x MTX-L PLUS digital wideband gauge body
  • 1x Bosch LSU 4.9 wideband O2 sensor
  • 1x 3 ft sensor cable
  • 1x 1" exhaust bung for sensor installation
  • 1x Program cable for configuration & data tools
  • 1x Silver bezel and 1x Black bezel
  • 1x White faceplate and 1x Black faceplate
  • 1x Installation and user manual

Product Description

The Innovate Motorsports 3924 MTX-L PLUS digital wideband air/fuel ratio (AFR) gauge kit is a universal performance tuning tool for internal combustion engines. It combines patented DirectDigital™ wideband technology with advanced sensor control to deliver fast and highly accurate air/fuel measurements, making it suitable for street cars, race cars, and custom projects. The large 2-1/16" (52 mm) digital display features a programmable "digital needle," giving both analog-style sweep feedback and precise numeric AFR or Lambda readouts.

This gauge kit includes the Bosch LSU 4.9 wideband O2 sensor and all necessary mounting accessories, such as interchangeable faceplates and bezels, a 3 ft sensor cable, and an exhaust bung for easy sensor installation. Its outputs include analog and digital serial ports, allowing integration with standalone ECUs, data acquisition systems, or logging software. The MTX-L PLUS is ideal for enthusiasts and tuners who need real-time AFR data for fine-tuning engine performance, improving fuel efficiency, or safeguarding against lean or rich conditions during high-performance driving.

Photo - Primary
User 8
User 9
Logo Image