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Sensors

  •  AEM 75 PSIa or 5 Bar Stainless Sensor Kit, 30-2130-75
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    AEM 75 PSIa or 5 Bar Stainless Sensor Kit, AEM-30-2130-75

    $169.95
    AEM-30-2130-75
  • QFS Oxygen Sensor - OEM Replacement, QFS-WBS4068 QFS
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    O2 Sensor - OEM Replacement, QFS-WBS4068 QFS

    $214.98
    QFS-WBS4068-BC
  • QFS Oxygen Sensor - OEM Replacement, QFS-WBS4063 QFS
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    O2 Sensor for Harley Davidson Motorcycle - OEM Replacement, QFS-WBS4063 QFS

    $59.98
    QFS-WBS4063-BC
  • QFS Oxygen Sensor - OEM Replacement, QFS-WBS4086 QFS
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    O2 Sensor for Polaris Slingshot - OEM Replacement, QFS-WBS4086 QFS

    $67.98
    QFS-WBS4086-BC
  •  AEM 100 PSIg Brass Sensor Kit, AEM-30-2131-100
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    AEM 100 PSIg Brass Sensor Kit, AEM-30-2131-100

    $78.89
    AEM-30-2131-100
  •  AEM 22-Channel CAN Sensor Module, Harness Wires & Cable, 30-2212
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    AEM 22-Channel CAN Sensor Module, Harness Wires & Cable, AEM-30-2212

    $381.95
    AEM-30-2212
  •  AEM 25" No-Weld O2 Sensor Mount, 30-2355-250
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    AEM 25" No-Weld O2 Sensor Mount, AEM-30-2355-250

    $60.71
    AEM-30-2355-250
  •  AEM 50 PSIa or 3.5 Bar Brass Sensor Kit, AEM-30-2131-50
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    AEM 50 PSIa or 3.5 Bar Brass Sensor Kit, AEM-30-2131-50

    $82.55
    AEM-30-2131-50
  •  AEM Air Temp Sensor DTM-Style Kit, AEM-30-2014
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    AEM Air Temp Sensor DTM-Style Kit, AEM-30-2014

    $61.95
    AEM-30-2014
  •  AEM Ethanol Content Flex Fuel Sensor Kit -6 AN, AEM-30-2201
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    AEM Ethanol Content Flex Fuel Sensor Kit -6 AN, AEM-30-2201

    $301.95
    AEM-30-2201
  •  AEM Wideband UEGO Replacement O2 SENSOR, 30-2001
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    AEM Wideband UEGO Replacement O2 SENSOR, AEM-30-2001

    $102.95
    AEM-30-2001
  •  AEM X-Series OBDII Gauge, 30-0311
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    AEM X-Series OBDII Gauge, AEM-30-0311

    $163.95
    AEM-30-0311
  • Innovate Motorsports Innovate 38980 LSU4.9 Upgrade Kit, 18 ft. Sensor Cable + O2 Sensor (3898)
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    Innovate 38980 LSU4.9 Upgrade Kit, 18 ft. Sensor Cable + O2 Sensor (3898)

    $152.97
    INV-3898-91770-BC
  • Innovate Motorsports Innovate 39150 TC-4 PLUS: Thermocouple Amplifier for MTS, 4-Channel w/Analog Outputs (3915)
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    Innovate 39150 TC-4 PLUS: Thermocouple Amplifier for MTS, 4-Channel w/Analog Outputs (3915)

    $149.97
    INV-3915-91773-BC
  • QFS Oxygen Sensor - OEM Replacement, HFP-WBS2695 QFS
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    O2 Sensor - OEM Replacement, HFP-WBS2695 QFS

    $154.98
    HFP-WBS2695-BC
  • QFS Oxygen Sensor - OEM Replacement, HFP-WBS3013 QFS
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    O2 Sensor - OEM Replacement, HFP-WBS3013 QFS

    $39.98
    HFP-WBS3013-BC
  • QFS Oxygen Sensor - OEM Replacement, HFP-WBS3959 QFS
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    O2 Sensor - OEM Replacement, HFP-WBS3959 QFS

    $59.98
    HFP-WBS3959-BC
  • QFS Oxygen Sensor - OEM Replacement, HFP-WBS6003 QFS
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    O2 Sensor - OEM Replacement, HFP-WBS6003 QFS

    $69.98
    HFP-WBS6003-BC

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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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