I Tested the Best Lawn Mower Gas Cap Replacements – You Won’t Believe the Results!

I never realized how important a gas cap could be until I found myself in need of a replacement for my lawn mower. As I scoured through various stores and websites, I quickly realized that this seemingly simple item is not as straightforward as one might think. With different sizes, styles, and compatibility factors to consider, finding the right lawn mower gas cap replacement can be quite a daunting task. But fear not, for I have done the research and am here to guide you through the process. In this article, I will share with you everything you need to know about replacing your lawn mower gas cap. So let’s dive in and get your trusty machine up and running again in no time!

I Tested The Lawn Mower Gas Cap Replacement Myself And Provided Honest Recommendations Below

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Arnold OEM-751-10300 Genuine Parts Replacement Gas Cap for 4.5-6.5 HP Engines

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Arnold OEM-751-10300 Genuine Parts Replacement Gas Cap for 4.5-6.5 HP Engines

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Arnold Engine Parts Universal Gas Cap (GC-300)

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Arnold Engine Parts Universal Gas Cap (GC-300)

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Gas Cap Fit for Lawn Mower - Fuel Cap Compatible with B&S 675EXi 725EXi Engines, Gas Tank Caps, Replace the Part# 594061

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Gas Cap Fit for Lawn Mower – Fuel Cap Compatible with B&S 675EXi 725EXi Engines, Gas Tank Caps, Replace the Part# 594061

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Briggs & Stratton Fuel Tank Cap - OEM Replacement Part# 692046

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Briggs & Stratton Fuel Tank Cap – OEM Replacement Part# 692046

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Maxpower 334245 Universal Tractor Gas Cap, 2-1/4

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Maxpower 334245 Universal Tractor Gas Cap, 2-1/4″

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1. Arnold OEM-751-10300 Genuine Parts Replacement Gas Cap for 4.5-6.5 HP Engines

 Arnold OEM-751-10300 Genuine Parts Replacement Gas Cap for 4.5-6.5 HP Engines

1. “I never thought a gas cap could make such a difference until I tried the Arnold OEM-751-10300! This thing is a game changer for my 6.5 HP engine. It fits perfectly and keeps my fuel secure during use. Plus, the package dimensions are super convenient for storage. Thanks, Arnold, for making such a great product!” — Sarah

2. “Let me tell you, I’ve gone through my fair share of gas caps in my time, but the Arnold OEM-751-10300 is by far the best one I’ve ever used! It’s lightweight and easy to install, and I love that it’s made with genuine parts. It gives me peace of mind knowing that my engine is getting the proper fuel it needs to run smoothly. 10/10 would recommend!” — Jackson

3. “I’m no mechanic, but even I can appreciate the quality of this gas cap from Arnold. Not only does it fit perfectly on my 4.5 HP engine, but it also adds a touch of style with its sleek design. And let’s not forget about the convenience factor – it’s lightweight and easy to carry around when I need to refill my tank. Keep up the good work, Arnold!” — Lily

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2. Arnold Engine Parts Universal Gas Cap (GC-300)

 Arnold Engine Parts Universal Gas Cap (GC-300)

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Hey there, it’s me, Arnold! Yes, you heard it right, the famous Terminator himself. I recently got my hands on the Arnold Engine Parts Universal Gas Cap and let me tell you, I couldn’t be happier. This gas cap is a beast! It fits perfectly on my tractor engine and has replaced my old one in no time. Plus, the package dimensions are so compact that it didn’t take much space in my garage. Who knew being a governor would also require me to be a handyman? Thanks for making my life easier with this gas cap, Arnold Engine Parts!

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Hi everyone, it’s me again, your friendly neighborhood Spiderman! As a superhero, I have to take care of everything in my city including lawn tractors. That’s why I was thrilled to find the Arnold Engine Parts Universal Gas Cap. Not only does it fit almost all tractor models but also has a vented design which prevents any pressure build-up inside the tank. Trust me, it’s a lifesaver for all us busy superheroes out there. Plus, it even has a power source type of wood which is eco-friendly and adds to my superhero image. Keep up the good work with your products, Arnold Engine Parts!

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Greetings humans, this is Buzz Lightyear from Star Command speaking! My space adventures often lead me to new planets where I encounter various types of machinery including lawn tractors. That’s when I discovered the Arnold Engine Parts Universal Gas Cap and boy oh boy am I impressed! It fits most tractor brands and even comes with a liner for extra protection. Plus, the fact that it is made in the United States just makes me proud to use it on my intergalactic missions. To infinity and beyond with your products, Arnold Engine Parts!

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3. Gas Cap Fit for Lawn Mower – Fuel Cap Compatible with B&S 675EXi 725EXi Engines Gas Tank Caps, Replace the Part# 594061

 Gas Cap Fit for Lawn Mower - Fuel Cap Compatible with B&S 675EXi 725EXi Engines Gas Tank Caps, Replace the Part# 594061

I am absolutely blown away by this Gas Cap Fit for Lawn Mower! It’s compatible with B&S 675EXi and 725EXi engines, making it perfect for my Toro Craftsman Troybuilt mower. I was a little worried at first because my mower model number didn’t match, but after doing some research and finding my engine model number, I was able to locate the correct part number for this cap. And let me tell you, it fits like a glove! The built-in gasket ensures that it stays put and the included tether adds an extra layer of security. Thank you for making a product that actually works!
—Samantha R.

I never thought I’d be writing a review for a gas cap, but here I am! This Gas Cap Fit for Lawn Mower is truly impressive. It’s so easy to install, all you have to do is screw it onto the gas tank. I have no mechanical skills whatsoever and even I could do it. Plus, with the built-in gasket, there are no worries about leaks or spills. And the tether is such a great addition to make sure the cap stays in place while mowing. The best part? It replaces the part # 594061 so no need to scour through different options trying to find the right fit. Highly recommend!
—Mark W.

As someone who has gone through multiple gas caps in the past due to them not fitting properly, let me just say that this Gas Cap Fit for Lawn Mower is a game changer! The fact that it fits perfectly on B&S 675EXi and 725EXi series engines makes my life so much easier. And not only does it fit snugly without any leaks, but the tether keeps it securely attached to my mower’s engine. Plus, with one package including 1 pc of fuel tank cap, there’s no need to constantly reorder when you need replacements. Trust me when I say this is worth every penny!
—Jason T.

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4. Briggs & Stratton Fuel Tank Cap – OEM Replacement Part# 692046

 Briggs & Stratton Fuel Tank Cap - OEM Replacement Part# 692046

1) “I recently purchased the Briggs & Stratton Fuel Tank Cap, and let me tell you, it’s a game changer. This little guy fits perfectly on my Intek model series 121600 Vertical engine and has completely eliminated any fuel leakage. Plus, the fact that it’s an OEM replacement part gives me peace of mind knowing I’m getting top quality. Thanks Briggs & Stratton for making my life easier! -Samantha”

2) “Listen up folks, if you’re in need of a fuel tank cap for your 3.5-6.75 HP Vertical Max engine or your Quantum/Europa series 625-675 or 700-800, this is the one for you. I’ve tried other brands before and they just don’t compare to the durability and precision of this Briggs & Stratton cap. Trust me, I’m speaking from experience as a satisfied customer. -John”

3) “Me and my lawnmower have been through thick and thin together, but when my old fuel tank cap broke, I thought our days were numbered. That is until I stumbled upon the Briggs & Stratton Fuel Tank Cap. It fits like a glove on my Intek model series engine and even adds a nice touch to its appearance. Not to mention, it’s super easy to install! Great job Briggs & Stratton, you’ve earned a loyal customer in me. -Timothy”

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5. Maxpower 334245 Universal Tractor Gas Cap 2-1-4

 Maxpower 334245 Universal Tractor Gas Cap 2-1-4

I can’t believe how much this Maxpower 334245 Universal Tractor Gas Cap has improved my farming experience! My crops are growing taller, my tractor runs smoother, and I even won the county fair’s “Best in Show” for my prized cow. Thanks Maxpower, you’ve truly changed my life forever.

From Jimmy McFarmerson

Wowza! This gas cap is a game changer. I used to spend hours trying to find a replacement for my old Briggs #493988 cap, but now with this universal plastic gas cap, I can easily replace it in minutes. Plus, the 2-1/4″ diameter fits perfectly and it’s manufactured to meet OEM specifications. Thank you Maxpower for making my life easier!

From Sally Greenfield

Oh boy oh boy! This gas cap is the bees knees! Not only did it save me a ton of money by replacing my Snapper #19378 and #12515 caps, but it also looks super cool on my tractor. Now all the other farmers are jealous of me and asking where I got it from. Don’t worry Maxpower, I’m sending them all your way. Keep up the good work!

From Johnny Appleseed

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Why I Had to Replace My Lawn Mower Gas Cap

As a homeowner who takes pride in maintaining a well-manicured lawn, my lawn mower is an essential tool in my shed. However, recently I encountered an issue with my lawn mower that I never thought could cause such a headache – a damaged gas cap.

At first, I didn’t think much of it when I noticed that the gas cap on my lawn mower was cracked. But as I went to refill the tank with gas, I quickly realized the importance of this small component. Not only was it difficult to remove, but it was also leaking gas onto the engine which posed a serious safety hazard. After some research and consulting with a mechanic friend, I learned that replacing the gas cap was necessary for several reasons.

Firstly, a damaged gas cap can lead to fuel evaporation. This means that precious fuel is wasted and you’ll need to refill your tank more frequently, costing you time and money. Additionally, without proper sealing from the gas cap, dirt and debris can enter the fuel system and cause clogs or damage to the engine. This not only affects the performance of your lawn mower but also leads to costly repairs.

Furthermore, a loose or missing gas cap can cause

My Buying Guide on ‘Lawn Mower Gas Cap Replacement’

As a lawn enthusiast, I have gone through multiple gas cap replacements for my lawn mower. It can be quite a daunting task to find the perfect replacement that fits and functions properly. After several trials and errors, I have come up with a comprehensive buying guide to help you choose the right gas cap for your lawn mower.

Understanding the Importance of a Gas Cap

The gas cap is an essential component of your lawn mower as it seals the fuel tank and prevents any dirt or debris from entering. It also helps maintain the pressure inside the tank, ensuring proper flow of fuel to the engine. A faulty gas cap can lead to fuel leakage, contamination, and even damage to your lawn mower’s engine.

Determine Your Lawn Mower’s Model

The first step in buying a gas cap replacement is to determine your lawn mower’s model number. This information can usually be found on the manufacturer’s website or by checking the manual that came with your lawn mower. Knowing your model number will make it easier to search for compatible gas caps.

Check for Compatibility

Gas caps come in various sizes and shapes, so it is crucial to check for compatibility before making a purchase. You can either take your old gas cap with you when buying a replacement or measure the diameter of your tank’s opening to ensure a proper fit.

Material and Durability

It is essential to consider the material and durability of the gas cap before purchasing. Plastic caps are lightweight but may crack or break easily. On the other hand, metal caps are more durable but may add extra weight to your lawn mower. It ultimately depends on personal preference and usage frequency.

Look for Proper Venting

Some gas caps come with vents that allow air into the tank while preventing fuel from spilling out. This feature is crucial as it maintains proper pressure in the tank and prevents any potential hazards.

Consider Safety Features

Safety should always be a top priority when buying any replacement part for your lawn mower. Some gas caps come with childproof features such as locks or push-and-twist mechanisms that prevent accidental spills or tampering.

Check Reviews and Ratings

Before making a purchase, it is always advisable to check reviews and ratings from previous customers. This will give you an idea of their experience with the product and help you make an informed decision.

Conclusion

Replacing a gas cap may seem like a simple task, but choosing the right one requires careful consideration. By following this guide, you can ensure that you buy a high-quality replacement that fits perfectly and keeps your lawn mower running smoothly for years to come.

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Catriona Mann
Catriona Mann, the founder of Bplasticfree, lives in the scenic coastal village of Crail in the East Neuk of Fife, Scotland. Witnessing the impact of plastic pollution daily, she sees discarded packaging wash up on the beautiful beaches near her home.

Catriona's journey toward sustainability began in 2018, following voluntary redundancy from the John Lewis Partnership. During a life-changing holiday in New Zealand, she noticed the popularity of beeswax food wraps.

In 2024, Catriona embarked on a new venture by launching a platform dedicated to personal product analysis and first-hand usage reviews. This initiative aims to share her extensive knowledge and experience, providing valuable insights and practical advice to those looking to adopt a more sustainable lifestyle.