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Accessories & Specialty

  • QFS Fuel Pump Wiring Harness, HFP-W260P QFS
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    Fuel Pump Wiring Harness, HFP-W260P QFS

    $15.98
    HFP-W260P-BC
    Add to Cart
  • Phenix GM/Ford 90 Degree Clip-On Fuel Rail Adapter to AN Fitting (All Sizes + Colors)
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    GM/Ford 90 Degree Clip-On Fuel Rail Adapter to AN Fitting (All Sizes + Colors)

    $25.17
    PHX-F90638-4-0
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  • 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
  • Phenix PTFE Washer, Pack of 2 (All Sizes)
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    PTFE Washer, Pack of 2 (All Sizes)

    $2.84
    PHX-F9069-20-0
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  • Phenix Straight -3AN Male to Inverted Flare Male Fitting Metric (All Sizes + Colors)
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    Straight -3AN Male to Inverted Flare Male Fitting Metric (All Sizes + Colors)

    $6.58 - $7.50
    PHX-G310100-11-0
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  • QFS Fuel Pump Repair Kit w/ Fuel Filter + Pressure Regulator - OEM Replacement, QFS-K338 QFS
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    Fuel Pump Repair Kit w/ Fuel Filter + Pressure Regulator - OEM Replacement, QFS-K338 QFS

    $45.98
    QFS-K338-BC
    Add to Cart
  • QFS Fuel Pump Repair Kit w/ Fuel Filter + Pressure Regulator for Polaris ATV/UTV - OEM Replacement, QFS-K361 QFS
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    Fuel Pump Repair Kit w/ Fuel Filter + Pressure Regulator for Polaris ATV/UTV - OEM Replacement, QFS-K361 QFS

    $45.98
    QFS-K361-BC
    Add to Cart
  • QFS Fuel Pump Repair Kit w/ Fuel Filter + Tank Seal/Gasket - OEM Replacement, QFS-K349 QFS
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    Fuel Pump Repair Kit w/ Fuel Filter + Tank Seal/Gasket - OEM Replacement, QFS-K349 QFS

    $47.98
    QFS-K349-BC
    Add to Cart
  • QFS Fuel Pump Repair Kit w/ Pressure Regulator + Tank Seal - OEM Replacement, QFS-K337 QFS
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    Fuel Pump Repair Kit w/ Pressure Regulator + Tank Seal - OEM Replacement, QFS-K337 QFS

    $45.98
    QFS-K337-BC
    Add to Cart
  • QFS Fuel Pump Repair Kit w/ Pressure Regulator - OEM Replacement, QFS-K340 QFS
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    Fuel Pump Repair Kit w/ Pressure Regulator - OEM Replacement, QFS-K340 QFS

    $35.98
    QFS-K340-BC
    Out of stock
  • 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
    Add to Cart
  • Phenix Plastic Cap Yellow, Pack of 10 (All Sizes)
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    Plastic Cap Yellow, Pack of 10 (All Sizes)

    $3.60 - $8.40
    PHX-A010-0
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  • S&B Filters S&B Cold Air Intake Filter for Ford Powerstroke 7.3L 1998 1999 2000 2001 2002 2003 (75-5062/75-5062D)
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    S&B Cold Air Intake Filter for Ford Powerstroke 7.3L 1998 1999 2000 2001 2002 2003 (75-5062/75-5062D)

    $349.00
    S&B-75-5062-0
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  • S&B Filters S&B Cold Air Intake For 11-16 Chevrolet Silverado GMC Sierra V8-6.6L LML Duramax Cotton Cleanable Red
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    S&B Cold Air Intake For 11-16 Chevrolet Silverado GMC Sierra V8-6.6L LML Duramax Cotton Cleanable Red

    $349.00
    S&B-75-5075-1-0
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  • Phenix Straight Compression Swivel Hose End (All Sizes + Colors)
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    Straight Compression Swivel Hose End (All Sizes + Colors)

    $6.50 - $9.78
    PHX-J1000-3-0
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  • AEM V2 Water/Methanol Injection Kit, Multi Input Controller , AEM-30-3350
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    AEM V2 Water/Methanol Injection Kit, Multi Input Controller , AEM-30-3350

    $481.95
    AEM-30-3350
    Add to Cart
  • AEM X-Series Boost Pressure Gauge, AEM-30-0306
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    AEM X-Series Boost Pressure Gauge, AEM-30-0306

    $204.95
    AEM-30-0306
    Add to Cart
  • Phenix Extended Oil Gauge Fitting AN to 1/8" NPT (All Sizes + Colors)
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    Extended Oil Gauge Fitting AN to 1/8" NPT (All Sizes + Colors)

    $7.07
    PHX-D7903-3-0
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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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