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  • Phenix GM / Ford Transmission Aluminum Fitting AN to 1/4 NPS Th350,Th400, 700R4, Pack of 2 (All Sizes + Colors)
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    GM / Ford Transmission Aluminum Fitting AN to 1/4 NPS Th350,Th400, 700R4, Pack of 2 (All Sizes + Colors)

    $15.02 - $16.98
    PHX-N614-3-0
  •  Kenne Bell Competition Boost-A-Pump (BAP) - 40Amp/21V, KB89073
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    Kenne Bell Competition Boost-A-Pump (BAP) - 40Amp/21V, KB89073

    $308.00
    KB-89073
  • Phenix Male Y-Block (All Sizes + Colors)
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    Male Y-Block (All Sizes + Colors)

    $31.81 - $77.30
    PHX-F3111-3-0
  • QFS Mechanical Fuel Pump w/ Fuel Filter for 1993-1998 Yamaha XJ600S Seca II - OEM Replacement for 4BR-13910-00-00, HFP-281-F QFS
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    Mechanical Fuel Pump w/ Fuel Filter for 1993-1998 Yamaha XJ600S Seca II - OEM Replacement for 4BR-13910-00-00, HFP-281-F QFS

    $61.98
    HFP-281-F-BC
  • QFS Oxygen Sensor - OEM Replacement, QFS-WBS4062 QFS
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    O2 Sensor - OEM Replacement, QFS-WBS4062 QFS

    $83.98
    QFS-WBS4062-BC
  • QFS Oxygen Sensor - OEM Replacement, QFS-WBS5004 QFS
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    O2 Sensor for Polaris Snowmobile - OEM Replacement, QFS-WBS5004 QFS

    $158.98
    QFS-WBS5004-BC
  •  Phenix Select-Flo Filter, Select Micron Element and Fitting Size PHX
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    Phenix Select-Flo Filter, Select Micron Element and Fitting Size PHX

    $0.00 - $162.92
    PHX-F320-0
  • Phenix Straight AN Male to Inverted NPT Flare Female, Pack of 2 (All Sizes + Colors)
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    Straight AN Male to Inverted NPT Flare Female, Pack of 2 (All Sizes + Colors)

    $7.66 - $27.94
    PHX-F44013-8-0
  • QFS 340LPH Fuel Pump w/ Installation Kit - Automotive Performance, QFS-341FT-U High Flow Fuel
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    340LPH Fuel Pump w/ Installation Kit - Automotive Performance, QFS-341FT-U High Flow Fuel

    $98.98
    QFS-341FT-U-BC
  • QFS 340LPH Fuel Pump w/ Installation Kit for 2000-2007 BMW 330Ci - E85-Compatible Automotive Performance, QFS-350FT-330 High Flow Fuel
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    340LPH Fuel Pump w/ Installation Kit for 2000-2007 BMW 330Ci - E85-Compatible Automotive Performance, QFS-350FT-330 High Flow Fuel

    $104.98
    QFS-350FT-330-BC
  • Phenix Adjustable AN Wrench Black
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    Adjustable AN Wrench Black

    $81.14
    PHX-M1003-3
  •  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

    $145.95
    AEM-30-2004
  • Fuelab EFI Adjustable Fuel Pressure Regulator, 25-90 psi, (2) -6AN Inlets, -6AN Return, 51502-1
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    EFI Adjustable Fuel Pressure Regulator, 25-90 psi, (2) -6AN Inlets, -6AN Return, 51502-1

    $193.96
    FLB-51502-1
  • QFS Electric Fuel Pump - OEM Replacement, HFP-366-X QFS
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    Electric Fuel Pump - OEM Replacement, HFP-366-X QFS

    $38.98
    HFP-366-X-BC
  • QFS Fuel Filter Kit w/ Genuine Mahle Filter, Strainer - OEM Replacement, QFS-FK1455 QFS
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    Fuel Filter Kit w/ Genuine Mahle Filter, Strainer - OEM Replacement, QFS-FK1455 QFS

    $35.98
    QFS-FK1455-BC
  • QFS Fuel Hose & Filter Kit for Husqvarna & KTM Motorcycles - OEM Replacement, HFP-FH-K488 | QFS
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    Fuel Hose & Filter Kit for Husqvarna & KTM Motorcycles - OEM Replacement, HFP-FH-K488 | QFS

    $47.98
    HFP-FH-K488-BC

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Catalog Frequently Asked Questions

Find answers to our most common questions below.

Quantum Fuel Systems specializes in high-quality fuel system components, including fuel pumps, filters, wiring harnesses, and more for a wide range of vehicles. Want to know more? Check out our About Us page.

Our team is here to help! Call us 1-818-574-FUEL (3835) or use our online contact form for quick assistance.

QFS has been providing reliable, performance-focused fuel system solutions for over 20 years, earning the trust of automotive enthusiasts and professionals alike.

Absolutely. Our products are designed to meet or exceed OEM standards for quality and performance, offering a reliable alternative to original parts.

Absolutely. Our products are designed to meet or exceed OEM standards for quality and performance, offering a reliable alternative to original parts.

We provide fuel system solutions for a broad range of vehicles, including cars, trucks, motorcycles, boats, ATVs, UTVs, and snowmobiles.

Our easy-to-use online catalog allows you to search by make, model, and year to find the perfect fit. Need help? Contact our support team for personalized assistance.

Yes! Orders placed by 3:00 PM PST ship the same day, so you get your parts quickly and minimize downtime.

Explore Quantum Fuel Systems’ comprehensive catalog—your ultimate one-stop shop for everything fuel system-related. From fuel pumps and injectors to pressure regulators, filters, and installation kits, we have the solutions to keep your engine running smoothly. With unmatched customer service, a lifetime warranty on in-house pumps, same-day shipping, and products designed for professionals and DIYers alike, Quantum sets the standard. Trusted by 1,800+ dealers, we’re here to fuel your journey.

qfs proudly supports the wounded warrior project

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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