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  • S&B Filters S&B JLT Master Cylinder Cover Textured Black 2015-2021 Mustang
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    S&B JLT Master Cylinder Cover Textured Black 2015-2021 Mustang

    $69.00
    S&B-JLTMC-M15
  • S&B Filters S&B Replace Filter for Cold Air Intake Kit 75-5053, 75-5104 (KF-1050)
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    S&B Replace Filter for Cold Air Intake Kit 75-5053, 75-5104 (KF-1050)

    $69.00
    S&B-KF-1050-BC
  • S&B Filters S&B Replace Filter for Cold Air Intake Kit 75-5079, 75-5081, 75-5083, 75-5108, 75-5077, 75-5076, 75-5067 (KF-1058)
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    S&B Replace Filter for Cold Air Intake Kit 75-5079, 75-5081, 75-5083, 75-5108, 75-5077, 75-5076, 75-5067 (KF-1058)

    $69.00
    S&B-KF-1058-BC
  • S&B Filters S&B Replace Filter for Cold Air Intake Kit 75-5095, 75-5092,7 5-5057, 75-5100 (KF-1053)
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    S&B Replace Filter for Cold Air Intake Kit 75-5095, 75-5092,7 5-5057, 75-5100 (KF-1053)

    $69.00
    S&B-KF-1053-BC
  • QFS Safety Flag, QFS-FLAG-OB QFS
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    Safety Flag, QFS-FLAG-OB QFS

    $37.98
    QFS-FLAG-OB-BC
  • QFS Safety Flag, QFS-FLAG-WHIP QFS
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    Safety Flag, QFS-FLAG-WHIP QFS

    $31.98
    QFS-FLAG-WHIP-BC
  • Screw Back Type Fuel Rail Fittings (All Sizes + Colors)
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    Screw Back Type Fuel Rail Fittings (All Sizes + Colors)

    $16.46 - $17.18
    PHX-F8380-3-0-BC
  • Select Flo Filter Mounting Brackets
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    Select Flo Filter Mounting Brackets

    $35.40 - $37.44
    PHX-F3212-0-0-BC
  •  Siemens Deka 80LB 840cc Compact Fuel Injector [1] for Ford Mustang EFI 1986-1998
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    Siemens Deka 80LB 840cc Compact Fuel Injector [1] for Ford Mustang EFI 1986-1998

    $59.98
    SM-80LB-EV1-C-0002
  • QFS Speedometer Impulse Sensor for 2001-2007 Harley-Davidson Road King & Softail Deuce Models - OEM Replacement for 74430-00D, HFP-SS-01 | QFS
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    Speedometer Impulse Sensor for 2001-2007 Harley-Davidson Road King & Softail Deuce Models - OEM Replacement for 74430-00D, HFP-SS-01 | QFS

    $44.98
    HFP-SS-01-BC
  • QFS Speedometer Impulse Sensor for 2012-2024 Harley-Davidson Dyna & Softail Models - OEM Replacement for 74402-05B, HFP-SS-02 | QFS
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    Speedometer Impulse Sensor for 2012-2024 Harley-Davidson Dyna & Softail Models - OEM Replacement for 74402-05B, HFP-SS-02 | QFS

    $59.98
    HFP-SS-02-BC
  • Phenix Stack Plate Oil Cooler Fittings (All Sizes + Colors)
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    Stack Plate Oil Cooler Fittings (All Sizes + Colors)

    $7.60 - $15.34
    PHX-A42239-3-0-BC
  • Stainless Safety Clamps (All Sizes)
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    Stainless Safety Clamps (All Sizes)

    $4.68 - $5.64
    PHX-M2194-11-0-BC
  • Stainless Steel T Bolt Clamps (All Sizes)
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    Stainless Steel T Bolt Clamps (All Sizes)

    $5.08 - $8.97
    PHX-M4447-11-0-BC
  • Phenix Stepped AN TEE on Run Fittings (All Sizes + Colors)
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    Stepped AN TEE on Run Fittings (All Sizes + Colors)

    $17.37
    PHX-A8424-3-0-BC
  • Phenix Straight AN Bulkhead Fittings (All Sizes + Colors)
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    Straight AN Bulkhead Fittings (All Sizes + Colors)

    $5.13 - $34.41
    PHX-A2332-3-0-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?

READ MORE ABOUT QFS