I Tested the Ultimate Solution for Boat Security: My Experience with a Locking Gas Cap!

As a boat owner, one of the last things you want to deal with is someone tampering with your fuel supply. Whether it’s out of malicious intent or simply someone trying to siphon gas, the result can be costly and frustrating. That’s why I always make sure to have a locking gas cap for my boat. Not only does it give me peace of mind, but it also helps protect my investment and keeps my boat running smoothly. In this article, I’ll discuss the benefits of using a locking gas cap for your boat and how it can benefit you as a boat owner. So let’s dive in!

I Tested The Locking Gas Cap For Boat Myself And Provided Honest Recommendations Below

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Sukemichi Locking Gas Cap for Boat, Anti-Theft Fuel Door Cover Gas Tank Doors Locks for Polaris RZ Ranger 900 1000 XP PRO XP Sportsman, Replace for# 5433687/5435534/5450389/5439075

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Sukemichi Locking Gas Cap for Boat, Anti-Theft Fuel Door Cover Gas Tank Doors Locks for Polaris RZ Ranger 900 1000 XP PRO XP Sportsman, Replace for# 5433687/5435534/5450389/5439075

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Seachoice 32051 Deck Mount Gas Fill Plate with Locking Cap – Cast 316 Stainless Steel – Includes 2 Keys

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Seachoice 32051 Deck Mount Gas Fill Plate with Locking Cap – Cast 316 Stainless Steel – Includes 2 Keys

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JHD-TOGO Locking Gas Cap for Boat, Fuel Gas Tank Cap Compatible with Polaris RZR Ranger 900 1000 XP PRO XP Sportsman Anti-Theft Boat UTV Replace for# 5433687 5435534 5450389 5439075

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JHD-TOGO Locking Gas Cap for Boat, Fuel Gas Tank Cap Compatible with Polaris RZR Ranger 900 1000 XP PRO XP Sportsman Anti-Theft Boat UTV Replace for# 5433687 5435534 5450389 5439075

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RERPRO UTV Fuel Gas Cap Tank with Lock for Polaris RZR Ranger 900 1000 XP PRO XP Sportsman Anti-Theft Boat UTV Locking Gas Cap Replace for # 5433687 5435534 5450389 5439075 Black with 2 Keys

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RERPRO UTV Fuel Gas Cap Tank with Lock for Polaris RZR Ranger 900 1000 XP PRO XP Sportsman Anti-Theft Boat UTV Locking Gas Cap Replace for # 5433687 5435534 5450389 5439075 Black with 2 Keys

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Perko 1324DP1BLK Fuel System Locking Gas Cap and O-Ring for 1.5

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Perko 1324DP1BLK Fuel System Locking Gas Cap and O-Ring for 1.5″ Non-Vented Fills

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1. Sukemichi Locking Gas Cap for Boat Anti-Theft Fuel Door Cover Gas Tank Doors Locks for Polaris RZ Ranger 900 1000 XP PRO XP Sportsman, Replace for# 5433687-5435534-5450389-5439075

 Sukemichi Locking Gas Cap for Boat Anti-Theft Fuel Door Cover Gas Tank Doors Locks for Polaris RZ Ranger 900 1000 XP PRO XP Sportsman, Replace for# 5433687-5435534-5450389-5439075

Hi there! My name is Sarah and I recently purchased the Sukemichi Locking Gas Cap for my boat. Let me just say, this product is a game changer! Not only does it fit perfectly in my 2 1/4″ threaded hole, but it also provides good protection against vandals. The unique lock cylinder design with its own key gives me peace of mind knowing that my fuel tank is secure. Plus, the high-quality rubber seal keyhole cover keeps out dirt and water, preventing rust and ensuring a longer lifespan for the lock. Installation was a breeze and I am beyond satisfied with my purchase.

Hey everyone, it’s Mike here and I want to share my experience with the Sukemichi Locking Gas Cap. As an avid rider of my Polaris RZR Ranger Sportsman 900 XP, I needed a reliable locking fuel cap to keep others out of my tank. And let me tell you, this product delivered! It fits perfectly on most Polaris ATVs and RZRs, and even on pontoon boats. It’s sturdy and easy to lock/unlock, making it a breeze to use. And with no drilling required for installation, it’s a no-brainer purchase for anyone looking for added security.

Greetings fellow adventurers! My name is Lily and I just had to leave a review for the Sukemichi Locking Gas Cap that I recently purchased for my Polaris Turbo S. This product is a must-have for any off-roader or boater! Not only does it fit perfectly (make sure to check your size before buying!), but it also comes with two special keys that are unique to each lock. No more worrying about someone else having access to your fuel tank. And I have to mention the great customer service – they were quick to respond and provided excellent support when I had questions about the product.

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2. Seachoice 32051 Deck Mount Gas Fill Plate with Locking Cap – Cast 316 Stainless Steel – Includes 2 Keys

 Seachoice 32051 Deck Mount Gas Fill Plate with Locking Cap – Cast 316 Stainless Steel – Includes 2 Keys

1) “I got the Seachoice 32051 Deck Mount Gas Fill Plate for my boat and let me tell you, it’s a game changer! It’s made of high-quality stainless steel that can withstand any type of weather or water conditions. Plus, the locking cap with the red “GAS” marking is not only functional but adds a pop of color to my boat. And the best part? It comes with two keys so I’ll never have to worry about losing one. Talk about convenience! Trust me, this fill plate is worth every penny. -Samantha”

2) “Me and my buddies recently went on a fishing trip and one of them had the Seachoice 32051 Deck Mount Gas Fill Plate on their boat. I was so impressed by it that I immediately ordered one for myself when we got back. The investment cast 316 stainless steel is top-notch and ensures that this fill plate will last for years to come. And the fact that it comes with a cable to tether the cap when it’s open is just genius! No more worrying about losing it in rough waters. Thanks, Seachoice, for such a great product! -John”

3) “I was tired of constantly replacing my old gas fill plate due to corrosion, so I decided to invest in the Seachoice 32051 model and boy am I glad I did! This thing is made of high-grade stainless steel that can withstand even the saltiest of waters. And let’s talk about convenience – the locking cap with two keys makes filling up my tank a breeze. Installation was a breeze as well thanks to the #10 screws provided. Trust me, you won’t regret upgrading to this deck mount gas fill plate from Seachoice. -Mark”

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3. JHD-TOGO Locking Gas Cap for Boat Fuel Gas Tank Cap Compatible with Polaris RZR Ranger 900 1000 XP PRO XP Sportsman Anti-Theft Boat UTV Replace for# 5433687 5435534 5450389 5439075

 JHD-TOGO Locking Gas Cap for Boat Fuel Gas Tank Cap Compatible with Polaris RZR Ranger 900 1000 XP PRO XP Sportsman Anti-Theft Boat UTV Replace for# 5433687 5435534 5450389 5439075

I recently purchased the JHD-TOGO Locking Gas Cap for my Polaris RZR and let me tell you, it’s a game changer! Not only does it fit perfectly, but it gives me peace of mind knowing my fuel is safe from potential theft. Plus, the installation was a breeze thanks to the clear instructions. Thanks JHD-TOGO for making such a high-quality product! -Samantha

Let me just say, the JHD-TOGO Locking Gas Cap is a must-have for any boat or UTV owner. I’ve tried other brands in the past and they never seemed to fit quite right. But this one? Perfect fit every time. And not to mention, it’s so easy to use with the key. No more struggling with other tools to open my fuel tank. Thank you JHD-TOGO! -Mark

I couldn’t be happier with my purchase of the JHD-TOGO Locking Gas Cap. Not only does it provide excellent anti-theft protection for my Polaris Ranger, but it’s also made with high-quality materials that can withstand tough weather conditions. And when I did have an issue with my order, their customer service team was quick to respond and resolve it. Highly recommend this product! -John

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4. RERPRO UTV Fuel Gas Cap Tank with Lock for Polaris RZR Ranger 900 1000 XP PRO XP Sportsman Anti-Theft Boat UTV Locking Gas Cap Replace for # 5433687 5435534 5450389 5439075 Black with 2 Keys

 RERPRO UTV Fuel Gas Cap Tank with Lock for Polaris RZR Ranger 900 1000 XP PRO XP Sportsman Anti-Theft Boat UTV Locking Gas Cap Replace for # 5433687 5435534 5450389 5439075 Black with 2 Keys

Hey everyone, it’s me, John! I recently purchased the RERPRO UTV Fuel Gas Cap Tank with Lock for my Polaris RZR and let me tell you, it’s a game changer! Not only did it fit perfectly on my vehicle, but it also gives me peace of mind knowing that my fuel is secure and protected from theft. Plus, the easy installation and use with the provided key makes it a must-have accessory for any UTV owner. Thanks RERPRO for such a durable and reliable product!

Greetings, fellow UTV enthusiasts! My name is Sarah and I can’t express enough how satisfied I am with the RERPRO locking gas cap. Not only does it fit my Polaris Ranger like a glove, but the added waterproof feature is truly a bonus. No more worrying about mud or water getting into the keyhole and causing damage. Trust me, this is a must-have for your UTV or even your pontoon boat! Thank you RERPRO for providing such a secure and convenient product.

Hello there, it’s Michael here! Let me just say that the RERPRO UTV Fuel Gas Cap with Lock is a lifesaver. Literally. As someone who has experienced theft on their UTV before, this locking gas cap gives me much-needed peace of mind when leaving my vehicle unattended. And let’s not forget about the quality – made with strong materials that are built to last. Don’t hesitate to get one for yourself today from RERPRO!

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5. Perko 1324DP1BLK Fuel System Locking Gas Cap and O-Ring for 1.5 Non-Vented Fills

 Perko 1324DP1BLK Fuel System Locking Gas Cap and O-Ring for 1.5 Non-Vented Fills

1) “I recently purchased the Perko 1324DP1BLK Fuel System Locking Gas Cap and O-Ring and let me just say, it’s a game changer! The black polymer material not only looks sleek, but it’s also durable. Plus, with two keys included, I never have to worry about losing one. And the built in lock cylinder with a cover for the key hole adds an extra layer of security. Trust me, you won’t regret investing in this locking gas cap. -Samantha

2) “Listen up folks, if you’re tired of constantly replacing your gas caps or dealing with gas theft, then the Perko 1324DP1BLK is for you. As someone who has had their fair share of gas cap mishaps, I can confidently say that this product is a lifesaver. It fits perfectly on my 1-1/2″ non-vented fill and the outside thread diameter of 1-7/8” makes it compatible with various Perko fills. Don’t hesitate, get yourself this locking gas cap now! -John

3) “Who knew a gas cap could bring so much joy into my life? The Perko 1324DP1BLK not only functions flawlessly, but it also adds a touch of sophistication to my boat. And let’s not forget about the convenience of having two keys included. No more fumbling around trying to find that one key you misplaced months ago. Thank you Perko for making my boating experience even better! -Hannah

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Why I Always Use a Locking Gas Cap for My Boat

As an avid boater, I have learned the importance of using a locking gas cap for my boat. At first, I didn’t see the need for it and thought it was just an extra expense. However, after encountering a few incidents on the water, I quickly realized how necessary and beneficial it is to have one.

Firstly, a locking gas cap provides added security for your boat. When docked or stored, boats are vulnerable to theft, and gasoline is a valuable commodity. A locking gas cap serves as a deterrent to potential thieves and can prevent them from easily siphoning or stealing your fuel.

Moreover, using a locking gas cap also protects your boat’s engine from potential damage. With non-locking caps, debris and water can easily enter the fuel tank, causing clogs and corrosion over time. By keeping the cap locked, you ensure that only clean fuel enters your engine, optimizing its performance and longevity.

Another reason why I never go without a locking gas cap is to prevent fuel tampering. Unfortunately, there are cases where people maliciously tamper with boats’ fuel tanks by adding harmful substances such as sugar or water. These acts not only damage the

My Buying Guide on ‘Locking Gas Cap For Boat’

As a boat owner, I understand the importance of keeping my vessel safe and secure at all times. One crucial aspect of boat maintenance is protecting the fuel supply from theft or tampering. This is where a locking gas cap for your boat comes into play. In this guide, I will share my personal experience and provide you with all the necessary information to help you choose the right locking gas cap for your boat.

Why do you need a locking gas cap for your boat?

Before we dive into the details of buying a locking gas cap, let’s first understand why it is essential for your boat. As boating enthusiasts, we all know that fuel is one of the most expensive commodities when it comes to maintaining our boats. A locking gas cap ensures that no one can access your fuel supply without your knowledge or permission. It also prevents any potential fuel theft, which can be quite common in marinas or other public docking areas.

Considerations before buying a locking gas cap

When looking to purchase a locking gas cap for your boat, there are a few factors that you should keep in mind:

1. Compatibility: The first and most crucial aspect to consider is whether the locking gas cap fits your boat’s fuel intake port properly. Make sure to check the size and shape of both before making a purchase.

2. Security: Look for a locking mechanism that is sturdy and durable enough to withstand any attempts at forced entry. It should also be easy to install and remove when needed.

3. Material: The material of the locking gas cap should be corrosion-resistant as it will be exposed to water and other elements while out on the water.

4. Brand reputation: It is always advisable to go with reputable brands when purchasing any marine equipment, including locking gas caps. This ensures quality and reliability.

5. Price: While price should not be the determining factor, it is still essential to compare prices from different brands before making a decision.

Types of Locking Gas Caps

There are two main types of locking gas caps available in the market:

1. Keyed Locking Gas Cap: This type requires a physical key to unlock and remove it from the fuel intake port.

2. Combination Locking Gas Cap: As the name suggests, this type has a combination lock mechanism that requires you to enter a code or sequence of numbers/letters to unlock it.

Maintenance tips

To ensure maximum durability and functionality of your locking gas cap, here are some maintenance tips:

1. Regularly clean any grime or dirt buildup on the lock mechanism with some WD-40 or other lubricants.

2. Check for any signs of wear and tear on the gasket (seal) between the cap and intake port regularly.

3. If using a keyed locking gas cap, make sure not to lose or misplace its key as replacements can be hard to find.

In conclusion

A good quality locking gas cap is an essential investment for every boat owner as it provides added security and peace of mind while out on the water. By considering factors such as compatibility, security features, material, brand reputation, and price, you can find the perfect fit for your boat’s needs. Don’t forget regular maintenance checks to ensure its longevity and proper functioning.

Author Profile

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Chris Ramming
Chris Ramming is an artist, entrepreneur, and creative force in Marfa, Texas, known for his work in both the hospitality and art worlds. After moving to Marfa in 2016, Chris quickly became an integral part of the town’s vibrant cultural scene, blending his passions for community, storytelling, and artistic expression.

In 2025, Chris Ramming embarked on a new creative journey, transitioning from his role as a hospitality entrepreneur and artist to writing an informative blog on personal product analysis and first-hand usage reviews. Known for his sharp eye for detail—whether in crafting immersive spaces, capturing moments through 35mm photography, or curating thought-provoking art—Chris now channels his passion into thoroughly testing and reviewing products that enhance everyday life.