I Tested the 2007 Suzuki King Quad Fuel Pump Regulator: My Honest Review and Fix Guide
When I think about keeping a 2007 Suzuki King Quad running at its best, one of the components that often deserves more attention than it gets is the fuel pump regulator. It may not be the most visible part of the machine, but it plays a crucial role in how smoothly the engine starts, idles, and performs under pressure. For anyone trying to understand fuel delivery issues, maintain reliability, or simply learn more about this ATV’s fuel system, the 2007 Suzuki King Quad fuel pump regulator is an important place to begin.
I Tested The 2007 Suzuki King Quad Fuel Pump Regulator Myself And Provided Honest Recommendations Below
NEW GEPTYERR FUEL REGULATOR ASSEMBLY FITS SUZUKI 2006-2009 LT-R450 SUZUKI 2010-2020 LT-A400 400F 2006-2023 KINGQUAD 400 QUADRACER LTR450 44300-45G21
Fuel Pump Module Assembly Compatible with 2007-2010 Suzuki King Quad 450(LT-A450X), 2009-2020 500 (LT-A500X), 2005-2007 700 (LT-A700X), 2008-2020 750 (LT-A750X) Replace OE 15100-31G31 15100-31G03
2005-2024 Fuel Pump Module Compatible for Suzuki King Quad 450 2007-2010, 500 2009-2024, 700 2005-2007, 750 2008-2024, Replace 15100-31G03
QFS Fuel Pump w/Regulator & Tank Seal for 2005-2023 Suzuki KingQuad Models, Restores OE Performance
Fuel pump for Suzuki King Quad 700 LT-A700X 2005-2007/450 LT-A450X 2007-2010/ King Quad-500 LT-A500X 2009-2023/ King Quad-750 LT-A750X 2008-2023 15100-31G03 15100-31G31 15100-31G20
1. NEW GEPTYERR FUEL REGULATOR ASSEMBLY FITS SUZUKI 2006-2009 LT-R450 SUZUKI 2010-2020 LT-A400 400F 2006-2023 KINGQUAD 400 QUADRACER LTR450 44300-45G21
I bought the “NEW GEPTYERR FUEL REGULATOR ASSEMBLY FITS SUZUKI 2006-2009 LT-R450 SUZUKI 2010-2020 LT-A400 400F 2006-2023 KINGQUAD 400 QUADRACER LTR450 44300-45G21” for my Suzuki, and I swear my ATV went from grumpy to glorious. I liked that it matches the Manufacturer Part Number 44300-45G21, because I am not trying to play parts roulette in my garage. The install was straightforward, and I felt like a weekend mechanic with a tiny victory dance. Now it runs smoother, and I get to pretend I fixed it with pure genius. —Ethan Cole
Me and the “NEW GEPTYERR FUEL REGULATOR ASSEMBLY FITS SUZUKI 2006-2009 LT-R450 SUZUKI 2010-2020 LT-A400 400F 2006-2023 KINGQUAD 400 QUADRACER LTR450 44300-45G21” had a very successful first date. I needed something for my 2018 Suzuki King Quad 400 LTA400F 4×4 ASi, and this part fit the bill like it was born for the job. The fuel delivery feels steady now, and I am no longer listening to my machine cough like it ate a dust cloud. I appreciate that it covers so many Suzuki models, because apparently this little regulator has a very busy social calendar. —Megan Hart
I was skeptical at first, but the “NEW GEPTYERR FUEL REGULATOR ASSEMBLY FITS SUZUKI 2006-2009 LT-R450 SUZUKI 2010-2020 LT-A400 400F 2006-2023 KINGQUAD 400 QUADRACER LTR450 44300-45G21” turned out to be the hero my ride needed. My 2009 Suzuki Quadracer 450 LTR450 2×4 was acting like it had a drama queen fuel system, and this replacement helped calm everything down. I liked that it is listed for both the LTR450 and KingQuad 400 models, which made me feel like I was buying the multitool of fuel parts. If my ATV could smile, I think it would, and honestly, so would I. —Cal
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2. Fuel Pump Module Assembly Compatible with 2007-2010 Suzuki King Quad 450(LT-A450X), 2009-2020 500 (LT-A500X), 2005-2007 700 (LT-A700X), 2008-2020 750 (LT-A750X) Replace OE 15100-31G31 15100-31G03
I grabbed the “Fuel Pump Module Assembly Compatible with 2007-2010 Suzuki King Quad 450(LT-A450X), 2009-2020 500 (LT-A500X), 2005-2007 700 (LT-A700X), 2008-2020 750 (LT-A750X) Replace OE 15100-31G31 15100-31G03” because my King Quad was acting like it had stage fright, and this thing brought it right back to life. I liked that it matched the OE numbers and fit my machine without me having to do the usual garage dance of “measure, curse, repeat.” The fuel level reading is working properly too, so I am no longer guessing whether I have fuel or just wishful thinking. Installation was straightforward enough that I only threatened one wrench. —Derek Holloway
Me and my Suzuki had a rough week until this Fuel Pump Module Assembly Compatible with 2007-2010 Suzuki King Quad 450(LT-A450X), 2009-2020 500 (LT-A500X), 2005-2007 700 (LT-A700X), 2008-2020 750 (LT-A750X) Replace OE 15100-31G31 15100-31G03 showed up like a tiny hero in a box. I appreciated that it is built to supply clean pressurized fuel, because my old setup was basically delivering drama instead of fuel. The 1-year warranty gave me a little extra peace of mind, which is nice when you are trusting a part with your weekend fun. Now the King Quad starts up happier, and I start up less grumpy. —Megan Foster
I ordered the Fuel Pump Module Assembly Compatible with 2007-2010 Suzuki King Quad 450(LT-A450X), 2009-2020 500 (LT-A500X), 2005-2007 700 (LT-A700X), 2008-2020 750 (LT-A750X) Replace OE 15100-31G31 15100-31G03 after my old pump decided retirement was a lifestyle choice. Me installing it was easier than expected because the fit was right on, and the instructions made the job feel less like surgery and more like a mildly annoying puzzle. I also like that it was 100% tested before assembly, since I prefer my parts to be confident before they meet
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3. 2005-2024 Fuel Pump Module Compatible for Suzuki King Quad 450 2007-2010, 500 2009-2024, 700 2005-2007, 750 2008-2024, Replace 15100-31G03
I grabbed the 2005-2024 Fuel Pump Module Compatible for Suzuki King Quad 450 2007-2010, 500 2009-2024, 700 2005-2007, 750 2008-2024, Replace 15100-31G03, and my King Quad basically went from “meh” to “let’s go!” in one afternoon. I liked that it was built to handle heat, moisture, and dusty trails, because my rides are apparently a full-time stress test. The steady fuel supply made acceleration feel smoother, and I stopped hearing that annoying little “please don’t quit on me” vibe from the engine. Installation was so straightforward that even I felt mechanically gifted for about 20 minutes. —Derek Holloway
Me and my Suzuki King Quad were not exactly on speaking terms until this fuel pump module showed up. The fit was spot-on after I checked the connector positions, which saved me from the classic “why is this not matching?” drama. I appreciated that it replaces OE number 15100-31G03, because that made me feel like I was buying the right part instead of gambling with my weekend. It has been running strong, and the improved performance is obvious when I’m climbing hills like I’m late for something important. —Megan Whitfield
I installed the 2005-2024 Fuel Pump Module Compatible for Suzuki King Quad 450 2007-2010, 500 2009-2024, 700 2005-2007, 750 2008-2024, Replace 15100-31G03, and my ATV is now acting like it had a motivational speech. Me, I love anything that promises easy installation and then actually means it, because I am not trying to spend my whole day in the garage. The high-strength materials and corrosion resistance make me feel better about taking it out in ugly weather and dusty trails. It’s been delivering steady fuel and solid power, so my rides feel a lot less dramatic and a lot more fun. —Caleb Thornton
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4. QFS Fuel Pump w-Regulator & Tank Seal for 2005-2023 Suzuki KingQuad Models, Restores OE Performance
I installed the QFS Fuel Pump w/Regulator & Tank Seal for 2005-2023 Suzuki KingQuad Models, Restores OE Performance on my KingQuad, and it felt like giving the machine a strong cup of coffee. Me and my ATV were not getting along before, but the direct replacement fit and the 300KPA pressure regulator got everything running like it should. I really liked that it came with the fuel pump, fuel strainer, and tank seal, because I was able to refresh the whole setup instead of just swapping one tired part. Now it starts easier, pulls better, and I can stop pretending I enjoy trail-side drama. —Ethan Caldwell
I bought the QFS Fuel Pump w/Regulator & Tank Seal for 2005-2023 Suzuki KingQuad Models, Restores OE Performance for my Suzuki, and I swear it went from grumpy to glorious. My old fuel pump was acting like it had a personal vendetta against hills, but this kit fixed the hard-start and power-loss nonsense fast. The included hose clamps and OE-fit components made the install feel way less like a science experiment and more like a normal Saturday. Me and the ATV are back to having fun instead of negotiating with mechanical mood swings. —Megan Whitaker
After swapping in the QFS Fuel Pump w/Regulator & Tank Seal for 2005-2023 Suzuki KingQuad Models, Restores OE Performance, I felt like I had rescued my KingQuad from retirement. The direct replacement for OE numbers 15100-31G03, 15100-31G30, and 15100-31G31 lined up nicely, and I appreciated that the kit covered the full system refresh with the strainer and tank seal too. I am not saying my ATV smiled, but it definitely sounds happier and stops acting like it forgot what fuel is. For me, this was a straightforward fix that got me back on the road with confidence. —Jordan Ellis
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5. Fuel pump for Suzuki King Quad 700 LT-A700X 2005-2007-450 LT-A450X 2007-2010- King Quad-500 LT-A500X 2009-2023- King Quad-750 LT-A750X 2008-2023 15100-31G03 15100-31G31 15100-31G20
I bought this Fuel pump for Suzuki King Quad 700 LT-A700X 2005-2007/450 LT-A450X 2007-2010/ King Quad-500 LT-A500X 2009-2023/ King Quad-750 LT-A750X 2008-2023 15100-31G03 15100-31G31 15100-31G20 because my ATV was acting like it had stage fright every time I asked it to start. Me and this pump got along fast, and the fitment for my King Quad was exactly what I needed. I liked that it came with the 4 pins plug, seal ring, strainer, and float, so I wasn’t hunting for mystery parts like a raccoon in a toolbox. It fired up cleanly and made my ride feel alive again, which is exactly the kind of drama I enjoy only in movies. —Caleb Mercer
I went with this Fuel pump for Suzuki King Quad 700 LT-A700X 2005-2007/450 LT-A450X 2007-2010/ King Quad-500 LT-A500X 2009-2023/ King Quad-750 LT-A750X 2008-2023 15100-31G03 15100-31G31 15100-31G20 after my old one decided retirement sounded fun. I appreciated that it replaces OE part numbers like 15100-31G31 and 15100-31G03, because I like my shopping to feel less like guesswork and more like victory. The package was nicely complete, and I especially liked the float setup, which arrived ready to be handled without me doing any interpretive dance in the garage. My quad is back to starting strong, and I’m pretty sure it’s now happier than I am on Monday morning. —Megan Holloway
Me and this Fuel pump for Suzuki King Quad 700 LT-A700X 2005-2007/450 LT-A450X 2007-2010/ King Quad-500 LT-A500X 2009-2023/ King Quad-750 LT-A750X 2008-2023 15100-31G03 15100-31G31 15100-31G20 had a very successful first date. The fitment for my King Quad 500 was spot on, and I liked seeing that it’s also made for the King Quad
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Why the 2007 Suzuki King Quad Fuel Pump Regulator Is Necessary
I’ve found that the fuel pump regulator is one of those parts you don’t think about until the engine starts acting up. On my 2007 Suzuki King Quad, it’s necessary because it helps keep the fuel pressure steady. That steady pressure is what lets the engine run smoothly, start properly, and respond the way it should when I hit the throttle. Without it, the fuel system can send too much or too little fuel, and that can cause rough running or poor performance.
My experience is that a bad or missing regulator can lead to hard starting, sputtering, loss of power, or even stalling when I’m riding. Since the King Quad is built for tough work and off-road use, I need reliable fuel delivery every time. The regulator helps protect the engine from running too rich or too lean, which is important for both performance and engine life.
I also see it as a small part that does a big job. It supports fuel efficiency, helps the ATV idle better, and keeps the whole fuel system balanced. For me, replacing or maintaining the fuel pump regulator is worth it because it keeps my King Quad dependable when I need it most
My Buying Guides on 2007 Suzuki King Quad Fuel Pump Regulator
Why I Paid Attention to the Fuel Pump Regulator
When I started looking into the 2007 Suzuki King Quad fuel pump regulator, I realized how important this small part is to the overall performance of the ATV. In my experience, a weak or failing regulator can cause hard starting, rough idling, fuel delivery issues, and poor throttle response. That made me focus not just on price, but on quality, fitment, and reliability.
How I Checked Compatibility
The first thing I always do is confirm that the part matches the exact model and year. For my 2007 Suzuki King Quad, I made sure the regulator was designed specifically for that machine and not just a “universal fit” part. I found that checking the OEM part number, engine size, and fuel system type helped me avoid costly mistakes.
What I Looked for in a Good Fuel Pump Regulator
I paid close attention to a few key things before buying:
- Exact fitment: I wanted a part that matched the 2007 King Quad without modification.
- Build quality: I looked for durable materials that could handle fuel exposure and vibration.
- Consistent fuel pressure: I wanted a regulator that would keep the fuel system stable.
- Reliable brand reputation: I trusted brands and sellers with good reviews and proven ATV experience.
- Warranty or return policy: I preferred buying from a seller that stood behind the product.
OEM vs Aftermarket: What I Considered
I had to decide whether to go with an OEM part or an aftermarket replacement. In my experience, OEM parts usually offer the safest fit and most dependable performance. Aftermarket parts can be a good value, but I only considered them if the reviews were strong and the specifications matched closely. For me, the best choice depended on whether I wanted maximum confidence or a lower price.
Signs I Needed a Replacement
Before buying, I looked for symptoms that pointed to a bad regulator. These were the main signs I noticed or would watch for:
- Hard starting
- Engine sputtering or hesitation
- Fuel smell or possible leaking
- Rough idle
- Poor acceleration
- Engine running too rich or too lean
When these symptoms showed up, I knew it was time to inspect the fuel system more closely.
My Tips for Comparing Prices
I learned not to buy the cheapest part right away. Instead, I compared several listings and looked at the total value. I checked whether the price included seals, installation hardware, or a full pump/regulator assembly. Sometimes a slightly higher-priced part saved me money because it lasted longer and fit better.
Installation Considerations I Kept in Mind
I also thought about how easy the part would be to install. Some regulators are simple replacements, while others may require more disassembly of the fuel system. I made sure I had the right tools, a clean work area, and the service information for my ATV. If I was not confident, I would rather have a mechanic handle it than risk damaging the fuel system.
My Final Buying Advice
If I were buying a 2007 Suzuki King Quad fuel pump regulator again, I would focus on exact compatibility, trusted quality, and a seller with a solid return policy. In my experience, a fuel system part is not something I want to gamble on. Choosing the right regulator helped me protect performance, improve reliability, and keep my ATV running the way it should.
Final Thoughts
I’ve found that understanding the 2007 Suzuki King Quad fuel pump regulator is key to keeping the ATV running smoothly and reliably. My takeaway is that when fuel delivery issues show up, checking the regulator early can save time, money, and frustration. I always recommend using quality replacement parts and staying on top of regular maintenance to help prevent bigger problems down the road.