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PLX SM-AFR DM-6 Gen4 wideband

The PLX DM-6 & SM-AFR wideband air fuel kit includes an SM-AFR wideband controller combined with a slick PLX DM-6 touch-screen afr gauge. PLX is hassle-free and plug'n'play.


Plx dm-6 gen 4 wideband 

Price (incl.vat) 275.00 € / set
✔ Delivery time 3 - 15 working days.
✔ EU shipping from 9,90 € and free on orders over 400 €
✔ Quick shipping. Orders are handled in 24 hours.
PLX is our most popular wide band gauge kit, and not without reason: The sleek-looking easy to use gauge is quick to install and preconfigured to work straight from the box.

Please note: 28.2.2022. The availability for PLX products is uncertain at the moment, and we are unable to give you an exact date of availability. We also carry Vems and Innovate widebands, which for now are readily available. You can find these at the bottom of the page in related products.

PLX DM-6 & SM-AFR wideband in short:

  • Automatic calibration. Just plug and play.
  • Soft start function extends sensor life.
  • Accuracy, PLX is used by many professionals in demanding applications. Quick response in every situation.
  • Mixture dislpay in both traiditional leds and numbers.
  • Can replace a narrowband sensor by outputting narrowband signal.
  • 52mm diameter and only 18mm deep - easy to install in various places.
  • Versatility, PLX also works with other fuels, such as ethanol, natural gas, methanol, and others.
  • High-quality BOSCH wideband sensor package. Includes connectors, no additional wiring job.

  • The gauge stand is not part of the delivery, you can order it separately.

    PLX Wideband introduction video

    Technical specifications

  • Resolution: <0.1 AFR (petrol) wideband, <0.2AFR (Gasoline) narrowband.
  • Measuring range: 10-20AFR, lambda 0.68 - 1.36 lambda.
  • Analog outputs: Broadband linear 0-5V, 0-1V narrowband (current 20mA)
  • Operating voltage: 9-20V
  • Power Consumption: 20W (max), 13W (Norm.)
  • Power supply: Switching.
  • Operating temperature: from 0 to 85 ° C
  • Sensor: Bosch LSU 4.9

  • PLX

    PLX products in the shop
    PLX is an electronics manufacturer form the USA who's most famous product is the PLX DM-6 display unit with the SM-AFR wideband controller. Other products include other sensor controllers and the Kiwi 3 OBD2 controller.
    PLX products in the shop


    BC Motors Oy / Race.fi

    Kisällintie 4, 04500 Kellokoski
    ☎ 020 790 2 790
    ✉ info@race.fi
    ☛ www.race.fi

    Read here who we are and what we're about: about us.

    Other useful stuff:
  • Lambda nuts
  • Wideband sensors
  • Some other product picks