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Sensors

  • Continental GM Continental VDO Flex Fuel Sensor E85 13577429, + AN/Barbed Fittings & Adapter Plug
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    GM Continental VDO Flex Fuel Sensor E85 13577429, + AN/Barbed Fittings & Adapter Plug

    $74.98 - $125.98
    CON-SE1004S-0
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  • QFS O2 Sensor, HFP-WBS42 QFS
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    O2 Sensor, HFP-WBS42 QFS

    $62.98
    HFP-WBS42-BC
    Add to Cart
  • QFS O2 Sensor, HFP-WBS49 QFS
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    O2 Sensor, HFP-WBS49 QFS

    $41.98
    HFP-WBS49-BC
    Add to Cart
  • QFS Oxygen Sensor - OEM Replacement, QFS-WBS2003 QFS
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    O2 Sensor for Harley Davidson Motorcycle - OEM Replacement, QFS-WBS2003 QFS

    $38.98
    QFS-WBS2003-BC
    Add to Cart
  • QFS Oxygen Sensor - OEM Replacement, QFS-WBS2002 QFS
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    O2 Sensor - OEM Replacement, QFS-WBS2002 QFS

    $39.98
    QFS-WBS2002-BC
    Add to Cart
  • AEM Bosch LSU 4.9 Wideband UEGO Replacement Sensor, AEM-30-2004
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    AEM Bosch LSU 4.9 Wideband UEGO Replacement Sensor, AEM-30-2004

    $133.95
    AEM-30-2004
    Out of stock
  • QFS Oxygen Sensor - OEM Replacement, QFS-WBS4066 QFS
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    O2 Sensor for Harley Davidson Motorcycle - OEM Replacement, QFS-WBS4066 QFS

    $47.98
    QFS-WBS4066-BC
    Add to Cart
  • AEM X-Series Wideband UEGO AFR Sensor Controller Gauge with OBDII Connectivity, AEM-30-0334
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    AEM X-Series Wideband UEGO AFR Sensor Controller Gauge with OBDII Connectivity, AEM-30-0334

    $256.95
    AEM-30-0334
    Add to Cart
  • QFS Oxygen Sensor - OEM Replacement, QFS-WBS1001 QFS
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    O2 Sensor - OEM Replacement, QFS-WBS1001 QFS

    $39.98
    QFS-WBS1001-BC
    Add to Cart
  • QFS Oxygen Sensor - OEM Replacement, QFS-WBS4067 QFS
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    O2 Sensor for Harley Davidson Motorcycle - OEM Replacement, QFS-WBS4067 QFS

    $49.98
    QFS-WBS4067-BC
    Add to Cart
  • AEM Ethanol Content Flex Fuel Sensor Kit (Barbed) 3/8" Barbed Fittings, AEM-30-2200
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    AEM Ethanol Content Flex Fuel Sensor Kit (Barbed) 3/8" Barbed Fittings, AEM-30-2200

    $267.95
    AEM-30-2200
    Add to Cart
  • QFS Oxygen Sensor - OEM Replacement, QFS-WBS4062 QFS
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    O2 Sensor - OEM Replacement, QFS-WBS4062 QFS

    $75.98
    QFS-WBS4062-BC
    Add to Cart
  • AEM 150 PSIg Brass Sensor Kit, AEM-30-2131-150
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    AEM 150 PSIg Brass Sensor Kit, AEM-30-2131-150

    $71.69
    AEM-30-2131-150
    Add to Cart
  • QFS Oxygen Sensor - OEM Replacement, QFS-WBS5004 QFS
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    O2 Sensor for Polaris Snowmobile - OEM Replacement, QFS-WBS5004 QFS

    $143.98
    QFS-WBS5004-BC
    Add to Cart
  • AEM 4 Port AEMnet CAN Hub, 30-2225
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    AEM 4 Port AEMnet CAN Hub, AEM-30-2225

    $91.89
    AEM-30-2225
    Add to Cart
  • AEM Water Temp Sensor Kit. 1/8"NPT, AEM-30-2012
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    AEM Water Temp Sensor Kit. 1/8"NPT, AEM-30-2012

    $50.69
    AEM-30-2012
    Out of stock
  • AEM 150 PSIg Stainless Sensor Kit, AEM-30-2130-150
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    AEM 150 PSIg Stainless Sensor Kit, AEM-30-2130-150

    $179.95
    AEM-30-2130-150
    Add to Cart
  • AEM 3.5 Bar Stainless Map Sensor Kit
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    AEM 3.5 Bar Stainless Map Sensor Kit, AEM-30-2130-50

    $163.95
    AEM-30-2130-50
    Add to Cart

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About Us

quantum fuel systems blk

QFS was born from a desire for freedom: the freedom to keep your ATV, dirt bike, car, or truck running with dependable, OEM-quality, and affordable fuel systems. We want you back on the road without breaking the bank. Skip the costly dealership—our replacement parts ship directly to you and are easy to install. Enjoy OEM performance with unbeatable US-based support and a lifetime warranty. Are you with us?

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