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Wiring

  • QFS Fuel Injector Connector - Performance, HFP-EV6F-EV1M-W-0 QFS
    Quick view

    Fuel Injector Connector - Performance, HFP-EV6F-EV1M-W QFS

    $5.98 - $50.98
    HFP-EV6F-EV1M-W-0-BC
  • Fuel Injector Connector - Performance, HFP-EV6F-DNSM-W QFS
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    Fuel Injector Connector - Performance, HFP-EV6F-DNSM-W QFS

    $5.98 - $50.98
    HFP-EV6F-DNSM-W-0-BC
  • QFS Fuel Injector Connector - Performance, HFP-EV6F-EV1M-NW-0 QFS
    Quick view

    Fuel Injector Connector - Performance, HFP-EV6F-EV1M-NW QFS

    $5.98 - $50.98
    HFP-EV6F-EV1M-NW-0-BC
  • QFS Fuel Injector Connector - Performance, HFP-EV6F-OBD2-W-0 QFS
    Quick view

    Fuel Injector Connector - Performance, HFP-EV6F-OBD2-W QFS

    $5.98 - $50.98
    HFP-EV6F-OBD2-W-0-BC
  • QFS Fuel Injector Connector - Performance, HFP-EV1-P-0 QFS
    Quick view

    Fuel Injector Connector - Performance, HFP-EV1-P QFS

    $5.98 - $50.98
    HFP-EV1-P-0-BC
  • Fuel Pump Wiring Harness, HFP-WAN50 QFS
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    Fuel Pump Wiring Harness, HFP-WAN50 QFS

    $30.98
    HFP-WAN50-BC
  • QFS Fuel Injector Connector - Performance, HFP-EV1F-DNSM-W-0 QFS
    Quick view

    Fuel Injector Connector - Performance, HFP-EV1F-DNSM-W QFS

    $5.98 - $50.98
    HFP-EV1F-DNSM-W-0-BC
  • QFS Fuel Injector Connector - Performance, HFP-DNS-P QFS
    Quick view

    Fuel Injector Connector - Performance, HFP-DNS-P QFS

    $5.98 - $50.98
    HFP-DNS-P-0-BC
  • QFS Fuel Injector Connector - Performance, HFP-EV1F-OBD2-W-0 QFS
    Quick view

    Fuel Injector Connector - Performance, HFP-EV1F-OBD2-W QFS

    $5.98 - $50.98
    HFP-EV1F-OBD2-W-0-BC
  • QFS Fuel Injector Connector - Performance, HFP-DNSF-OBD2-W-0 QFS
    Quick view

    Fuel Injector Connector - Performance, HFP-DNSF-OBD2-W QFS

    $5.98 - $50.98
    HFP-DNSF-OBD2-W-0-BC
  • Wiring Pigtail Connector Plug for Walbro F90000267/ F90000274 / F90000285 / F90000295, HFP-W267P QFS
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    Wiring Pigtail Connector Plug for Walbro F90000267/ F90000274 / F90000285 / F90000295, HFP-W267P QFS

    $10.98
    HFP-W267P-BC
  • QFS Fuel Injector Connector - Performance, HFP-EV6-P-0 QFS
    Quick view

    Fuel Injector Connector - Performance, HFP-EV6-P QFS

    $5.98 - $50.98
    HFP-EV6-P-0-BC
  • Wiring Pigtail Connector Plug + 2 Butt Connectors for Walbro F90000267/ F90000274 / F90000285 / F90000295, HFP-W267P-BC QFS
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    Wiring Pigtail Connector Plug + 2 Butt Connectors for Walbro F90000267/ F90000274 / F90000285 / F90000295, HFP-W267P-BC QFS

    $10.98
    HFP-W267P-BC-BC
  •  QFS Fuel Injector Pigtail Adapter - EV6 Female - QTY 2 for Polaris ATV / UTV, HFP-EV6-P-2
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    QFS Fuel Injector Pigtail Adapter - EV6 Female - QTY 2 for Polaris ATV / UTV, HFP-EV6-P-2

    $8.98
    HFP-EV6-P-2-91424-BC
  • Fuel Pump Wiring Harness, HFP-HARNESS1 QFS
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    Fuel Pump Wiring Harness, HFP-HARNESS1 QFS

    $12.98
    HFP-HARNESS1-BC
  •  QFS Injector PnP Adapters - Denso for Polaris ATV / UTV, HFP-DNS-P-2
    Quick view

    QFS Injector PnP Adapters - Denso for Polaris ATV / UTV, HFP-DNS-P-2

    $8.98
    HFP-DNS-P-2-91422-BC
  • QFS Fuel Injector Connector - Performance, HFP-EV6F-OBD2-NW-0 QFS
    Quick view

    Fuel Injector Connector - Performance, HFP-EV6F-OBD2-NW QFS

    $5.98 - $50.98
    HFP-EV6F-OBD2-NW-0-BC
  •  AEM Sensor Harness for 30-4110 Digital Wideband Gauge, AEM-30-3441
    Quick view

    AEM Sensor Harness for 30-4110 Digital Wideband Gauge, AEM-30-3441

    $36.95
    AEM-30-3441

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Wiring FAQs

What is a fuel pump wiring harness?+

A fuel pump wiring harness connects the fuel pump to the vehicle’s electrical system, providing the necessary power to operate the pump. It ensures reliable power delivery and proper fuel pump function.

When should I replace my fuel pump wiring harness?+

You should replace your fuel pump wiring harness if you notice intermittent power issues, poor fuel pump performance, or visible damage to the wiring. A faulty harness can lead to fuel delivery problems and engine performance issues.

What is included in a wiring harness kit?+

A wiring harness kit typically includes all the necessary wires, connectors, and mounting hardware to install or replace the wiring for specific components, such as the fuel pump. Some kits also include relays and fuses for added protection.

What is a fuel pump relay kit, and why would I need one?+

A fuel pump relay kit helps ensure that your fuel pump receives consistent electrical power by using a relay to manage the high current needed for the pump. It’s especially useful in high-performance vehicles where fuel pumps draw more power.

How do I know if my fuel pump connector is faulty?+

A faulty fuel pump connector can cause issues like intermittent power loss, poor fuel pump performance, or failure to start. If you see corrosion, loose connections, or visible damage, it’s time to replace the fuel pump connector.

Can I install a fuel pump wiring harness myself?+

Yes, many fuel pump wiring harnesses are designed for easy installation, especially if you’re familiar with basic vehicle wiring. However, if you are unsure or dealing with a complex setup, it’s recommended to consult a professional mechanic.

What should I look for in a replacement wiring harness?+

When selecting a replacement wiring harness, ensure it is compatible with your vehicle’s make and model, and check for durability, quality of connectors, and sufficient length. Quantum Fuel Systems offers a variety of wiring harnesses for different applications, including fuel pump wiring.

Quantum Fuel Systems offers high-quality wiring harnesses and fuel pump wiring components designed for a perfect fit in your vehicle. Our selection includes wiring harness kits, fuel pump connectors, fuel pump wiring harnesses, and fuel pump relay kits, all engineered to ensure safe and efficient fuel system operation. Using reliable wiring is crucial to prevent potential hazards and failures in your fuel system. Quantum wiring harnesses are precision-built for direct-fit installation, ensuring long-lasting performance and peace of mind. Trust Quantum for all your fuel system wiring needs, from harnesses to relays, to keep your vehicle running smoothly and safely.
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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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