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Prosport 52mm Halo Premium Series Wideband Air/Fuel Ratio Gauge; Blue/White/Amber (Universal; Some Adaptation May Be Required)

Item TR2042
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FREE Shipping Market Price $227.99 You Save 14% ($32.99)

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Ship to: Ashburn - 20149
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      Product Information

      Features, Description, Q&A, Specs & Installation


      • Backlit Air Fuel Ratio Gauge
      • 52mm Display
      • Widest Range AFR Readings
      • Wire Heated O2 Sensor
      • ProSport Logo Centered on Gauge
      • Plug-n-Play Installation
      • 1-Year Limited Warranty
      • Fits All Toyota 4Runners


      Monitor Engine Performance. The Prosport Halo Wideband Air Fuel Ratio Gauge lets you see what your O2 sensor is doing. You can check on fuel economy, see when your engine is working too hard or you might need to replace a cooling system.

      Stylish Dashboard Addition. Not only does the Prosport Wideband AFR Gauge give you more diagnostic information about your 4Runner, it also looks great on the dash. The backlit display adds flashes of blue, white, and amber, along with the Prosport logo prominently centered on the gauge. When you turn off the dash, it goes dark along with it.

      Sensitive Equipment for Better Readings. The Prosport Halo Wideband Air Fuel Ratio Gauge is the most specific on the market. It offers the widest range of readings available.

      Plug-n-Play Installation. There's no need to splice wires when installing this Prosport Wideband AFR Gauge. It plugs into the existing system, and the touchpad can mount anywhere.

      Limited Warranty. Prosport offers a one-year limited warranty on all of their gauges. For information about limitations and exclusions, please read the manufacturer's warranty.

      Application. The Prosport Halo Wideband Air Fuel Ratio Gauge installs in all Toyota 4Runners.

      Prosport 216HLAFR270-PKWB4.9-WO

      CA Residents: WARNING: Cancer and Reproductive Harm -

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Gauge
      • (1) O2 Sensor
      • (1) Weld-in Bung
      • (1) Instructions
      • (1) 10' Wiring Harness
      • (?) Decals
      • (1) Mounting Cup
      • (?) 0-5 Volt Output Signal for Data Logging

      Reviews of Prosport Interior Products (32)

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      Reviews of Prosport Interior products have an average rating of 4.5 out of 5

        Questions & Answers

        10 More Questions