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    Quantum Fuel Systems

    2.1 (44 reviews)
    Closed 7:00 am - 3:30 pm
    Updated 1 month ago

    Services - Quantum Fuel Systems

    Boat parts and supplies

    Quantum Fuel Systems Photos

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    Screen shot of video showing fuel pressure at 10 PSI.

    This is an update to an unhappy, much longer rating for Quantum. My disappointment at this time is not about the quality of their products but disappointed because I wanted a complete fuel pump kit that would fix every possible problem with the pump, but one critical part was left out of the Quantum kit. I spent several hours over the course of five weeks trying to understand the lack of fuel pressure issue I was having. I finally discovered that a replaceable part that was not in the most complete kit Quantum offered, was the issue. If Quantum's kit would have included all the possible replaceable parts in the pump assembly, I would be none the wiser because I would install all the parts and my fuel pressure issues would be gone.

    QFS web page "LIFETIME Warranty"

    Quantum Fuel Systems fuel pump only lasted a week! Their warranty is awful--despite advertising a LIFETIME warranty at all their sites.. But only 30 days when you need to use it and refuse to honor it. Terrible experience!

    I am now on my 3rd pump in less than a year. All of them have failed in the same way, leaking out of the orfice where the positive lead goes into the pump. These pumps are cheap garbage and not worth the money. You are way better off spend in the extra money to get a more trusted pump.

    DO NOT order to Europe, tragic. Waited for package for 40 days, it got lost in US. I paid $70, haven't seen the package at all and got refunded $50. Great business :DD

    Fuel line connection under tank. They won't lock onto oem fuel line.
    Michael S.

    Quantum Fuel Systems. Harley Davidson fuel lines. I ordered 2 lines with the quick releases on the gas tank. The oem fuel connectors do not match up. They won't lock down on one, the second one won't even connect at all. $25.00 restocking fee is threatened if you return their faulty parts. I would stay clear of this brand.

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    11 years ago

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    3 days ago

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    2 months ago

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    6 months ago

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    9 months ago

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    9 months ago

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    8 months ago

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    10 months ago

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    3 years ago

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    8 years ago

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    5 years ago

    Avoid this company like the plague! They sell cheap crap and often they don't fit.

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    8 years ago

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    9 years ago

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    Page 1 of 2

    Ask the Community - Quantum Fuel Systems

    Review Highlights - Quantum Fuel Systems

    I needed a fuel pump for a Polaris RZR, and dealers sell only a complete fuel pump and sender assembly.

    Mentioned in 9 reviews

    Read more highlights

    O'Reilly Auto Parts

    O'Reilly Auto Parts

    (41 reviews)

    Carlos was the best. Brought in my 8 year old battery thay was in desperate need of a change and he…read morehelped assist with it all. Everyone who works there was friendly and professional, thanks for the awesome service!

    I'm telling you - these guys are ON POINT!…read more I was told by a mechanic that I needed a new battery and after doing research, I came across these guys. I must tell you this first... I went by their other location in Downtown and it seemed like 'they were just doing their job'. They meant well and truly meant no harm. I just didn't notice as much proactivity and showing the type of service as this location did! I called up this location and Alfonso (the manager) picked up the phone HIMSELF! The other location said that they didn't carry my type of battery at all! That wasn't the case when I spoke with them originally on the phone... how annoying! When I spoke with Alfonso, he was beyond personable - no matter how busy they were over there. I immediately drove over and noticed how busy they were. STILL - he took the time to speak with me and regardless of how busy they were... he not only found the battery in-house... he gave me a price breakdown and... HE INSTALLED IT HIMSELF! Personable, professional, on-point and doing things right. Now THAT's what I call customer service. I wish there was a 500 stars out of 5. Please do yourself a favor and give this guy some props. He's running a mighty fine establishment! Keep up the fabulous work Alfonso! You are absolutely incredible at what you do!!

    Quantum Fuel Systems - boatpartsandsupplies - Updated May 2026

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