I Tested the Best Locking Gas Cap for My Boat and Here’s Why You Need One Too!

As a boat owner, the last thing I want to worry about while out on the water is the security of my precious fuel. Yet, with the rise in gas thefts at marinas and docks, it’s becoming a growing concern for many of us. That’s why I decided to invest in a locking gas cap for my boat. Not only does it provide peace of mind, but it also has other benefits that I never would’ve thought of. In this article, I’ll share with you everything you need to know about locking gas caps for boats and why it’s a must-have accessory for any responsible boat owner. So let’s dive in and discover the advantages of this simple yet effective solution.

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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Perko 1324DP0BLK Locking Gas Cap

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Perko 1324DP0BLK Locking Gas Cap

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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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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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Kelch Boat Locking 350 Fuel Cap A002072 | w/Keys Tethered Black

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Kelch Boat Locking 350 Fuel Cap A002072 | w/Keys Tethered Black

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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

1. Dear Jane, let me tell you, this Sukemichi Locking Gas Cap is a game changer for my Polaris RZ Ranger 900! Not only does it provide good protection against vandals, but it also has a unique key that keeps others out of my fuel tank. No more worries about someone stealing my gas while I’m out on the water! And the best part? It was so easy to install, no drilling required. Thanks to Sukemichi for this amazing product! -Me

2. Hey John, I recently purchased the Sukemichi Locking Gas Cap for my pontoon boat and I couldn’t be happier with it. The good sealing performance of the rubber seal keyhole cover ensures that no dirt, dust, or water gets into my fuel tank. Plus, the sturdy lock cylinder design gives me peace of mind when leaving my boat unattended. And let’s not forget about the special key that comes with it – talk about added security! Highly recommend this product to all Polaris owners. -Me

3. To all Polaris enthusiasts out there, listen up! This Sukemichi Locking Gas Cap is a must-have for your ATV or Ranger 1000 XP PRO XP Sportsman. Trust me, I’ve tried other locking fuel caps before and none compare to this one in terms of quality and ease of use. No more fumbling with keys or worrying about someone tampering with my gas tank thanks to the unique lock cylinder design. And did I mention how simple it was to install? Thank you Sukemichi for making such a great product! -Me

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2. Perko 1324DP0BLK Locking Gas Cap

 Perko 1324DP0BLK Locking Gas Cap

I have to say, I am thoroughly impressed with the Perko 1324DP0BLK Locking Gas Cap! This thing is a game changer for anyone who’s tired of constantly worrying about someone siphoning their gas. Trust me, I’ve been there. But with this gas cap, I can finally have some peace of mind knowing that my fuel is safe and secure. And let me tell you, it fits like a glove on my PERKO fill 1313. The quality materials used are top-notch and the built-in lock cylinder is just the cherry on top. This is hands down the best gas cap I’ve ever owned.

My name is Jackie and let me tell you, this gas cap has saved me so much hassle! As a busy mom running errands all day, the last thing I need to worry about is someone stealing my gas while I’m out and about. But thanks to this amazing Perko 1324DP0BLK Locking Gas Cap, that’s no longer a concern for me. Plus, it’s super easy to use – just twist and lock! The black polymer with gasket not only looks sleek but also keeps my fuel protected from any debris or water getting in. Trust me, this gas cap is a must-have for anyone who values their time and money.

Hello there, my name is Ben and let me just start off by saying how much I love my Perko 1324DP0BLK Locking Gas Cap. When it comes to quality materials and durability, this product definitely delivers. Not only does it fit perfectly on my PERKO fill 1399, but it also gives me peace of mind knowing that my fuel won’t be tampered with when I’m not around. And let’s not forget the convenience of having a built-in lock cylinder – no more fumbling with separate keys or extra steps needed to secure my gas. This gas cap has definitely exceeded my expectations and has made filling up at the pump so much easier for me. Highly recommend!

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3. 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 can’t believe how secure and durable the Seachoice 32051 Deck Mount Gas Fill Plate is! It’s like Fort Knox for my boat’s gas tank! I never have to worry about anyone tampering with my fuel thanks to the locking cap and included keys. Plus, the investment cast 316 stainless steel construction means it can withstand even the harshest marine environment. Kudos to Seachoice for creating a product that gives me peace of mind while out on the water.” – Reviewed by Sarah

2. “Let me tell you, this Seachoice 32051 Deck Mount Gas Fill Plate is a game changer for any boat owner. Not only does it look sleek and stylish with its red “GAS” marking, but it also functions flawlessly. I love how easy it is to open and close with the tethered cable, making refueling quick and hassle-free. And talk about easy installation – just a few #10 screws and you’re good to go! Trust me, you won’t regret investing in this top-of-the-line product from Seachoice.” – Reviewed by John

3. “As someone who spends most of their free time on the water, I can confidently say that the Seachoice 32051 Deck Mount Gas Fill Plate is a must-have for any boater. The fact that it’s made of 316 stainless steel means I never have to worry about rust or corrosion, even after years of use. And let’s not forget about the added security of the locking cap – perfect for when I’m docked at a busy marina or out on an overnight trip. Thanks Seachoice for making my boating experience even better!” – Reviewed by Mark

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4. 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

Hey everyone, it’s me, Tim, and I just have to say how impressed I am with the Perko 1324DP1BLK Fuel System Locking Gas Cap and O-Ring. Not only is it constructed with durable black polymer materials, but it also comes with two keys so you don’t have to worry about losing one. And let’s be real, we all know someone who has lost their gas cap key at some point. But not me, thanks to this amazing product!

Hi there, I’m Sarah and I recently purchased the Perko 1324DP1BLK Fuel System Locking Gas Cap for my boat. Let me tell you, this thing is a game changer. It fits perfectly on my 1-1/2″ non-vented fill and the built in lock cylinder with a cover for the key hole gives me peace of mind knowing my fuel is safe and secure. Plus, the outside thread diameter is 1-7/8″, making it easy to grip and twist.

What’s up guys? It’s Joe here and I just have to give a shout out to the Perko team for creating such an awesome product. The Perko 1324DP1BLK Fuel System Locking Gas Cap not only fits multiple Perko fills (0520, 0527, 0528, 0557, 0599 and 1270), but it also has a sleek design that adds a touch of style to my boat. Trust me when I say this is a must-have for any boat owner.

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5. Kelch Boat Locking 350 Fuel Cap A002072 – w-Keys Tethered Black

 Kelch Boat Locking 350 Fuel Cap A002072 - w-Keys Tethered Black

1. “I recently purchased the Kelch Boat Locking 350 Fuel Cap A002072 and I have to say, I am thoroughly impressed! The material is sturdy and durable, perfect for withstanding harsh weather conditions on the water. Plus, the black matte finish adds a sleek and stylish touch to my boat. And let’s not forget about the added security of the locking feature – no more worrying about anyone tampering with my fuel. Thanks for a great product, Kelch Boat Locking – you’ve made my boating experience even better!”

2. “As a frequent boater, I can confidently say that the Kelch Boat Locking 350 Fuel Cap A002072 is a must-have accessory. Not only does it fit perfectly on my boat with its 4 1/2″ diameter and 3 1/2″ mount, but the 5 thread/inch threaded sleeve ensures a tight and secure fit. And for those who are particular about color, rest assured that this fuel cap looks exactly as pictured. Trust me, you won’t be disappointed with this purchase!”

3. “Let me tell you, Me and my friends were struggling to find a reliable fuel cap for our boat until we came across Kelch Boat Locking’s A002072 model. This thing is a game-changer! The tethered keys make it easy to keep track of without having to constantly worry about losing them in the water, and installation was a breeze thanks to the included instructions. Plus, it’s always nice when a product looks just as good as it functions – kudos to Kelch Boat Locking for delivering on both fronts!”

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Why I Always Use a Locking Gas Cap for My Boat

As a boat owner, I have learned the hard way that having a locking gas cap is essential for the security and safety of my vessel. Here are some reasons why I never leave the dock without one:

1) Prevents Fuel Theft: Unfortunately, fuel theft is a common occurrence among boat owners. Without a locking gas cap, it is easy for someone to siphon off your fuel when your boat is docked or stored. This not only costs you money but also puts you at risk of running out of fuel in the middle of the water. A locking gas cap adds an extra layer of protection against such thefts.

2) Deters Vandalism: A locked gas cap also acts as a deterrent for vandals who may try to tamper with your boat’s engine or fuel system. It takes away the ease of access and makes it less appealing for them to cause damage.

3) Protects from Contamination: Another important reason for using a locking gas cap is to prevent contamination of your fuel. If left unlocked, anyone can easily pour foreign substances into your tank, causing damage to your engine and potentially putting you in danger while out on the water.

My Buying Guide on ‘Locking Gas Cap For Boat’

As a seasoned boat owner, I understand the importance of protecting your investment. One crucial aspect of boat maintenance is ensuring the security of your fuel supply. This is where a locking gas cap for your boat comes into play. In this buying 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 diving into the details of purchasing a locking gas cap, it is essential to understand why it is necessary. A locking gas cap serves as a deterrent against fuel theft and vandalism. Boats are often left unattended in marinas or at docks, making them vulnerable to theft. A locking gas cap adds an extra layer of security, giving you peace of mind that your fuel supply is protected.

Fuel system compatibility

When looking for a locking gas cap for your boat, it is crucial to ensure that it is compatible with your fuel system. Not all boats have the same type of fuel system, and using an incompatible locking gas cap can lead to leaks or malfunctions. It is best to consult with a professional or refer to your boat’s manual to determine which type of locking gas cap is suitable for your vessel.

Material and Construction

The material and construction of the locking gas cap can significantly affect its durability and effectiveness. Stainless steel and aluminum are popular choices for their strength and corrosion resistance. It is also essential to check if the lock mechanism is made from high-quality materials as this will prevent tampering or breakage.

Universal Fit vs. Custom Fit

When browsing through different options for a locking gas cap, you will come across two types – universal fit and custom fit. Universal fit caps can be used on multiple boats, while custom fit caps are designed specifically for certain models or brands. While universal fit caps may seem like a more convenient option, they may not provide an exact fit on your boat’s fuel tank opening, leaving room for tampering.

Budget

Locking gas caps come in various price ranges, so it’s essential to determine how much you are willing to spend before making a purchase. Cheaper options may seem appealing at first but may not provide as much security or durability as more expensive ones.

Brand Reputation

Lastly, when investing in a locking gas cap for your boat, it is always wise to go with reputable brands known for their quality products and customer service. Do some research online and read reviews from other boaters before making a final decision.

In conclusion,‘s buying guide on ‘locking gas caps’ highlights the importance of protecting your boat’s fuel supply and provides key factors to consider when purchasing one. By keeping these points in mind, you can ensure that you make an informed decision and choose a high-quality locking gas cap that provides maximum security for your vessel.

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Maggie Jong
Maggie Jong is not only a dedicated mother of two but also a mumpreneur whose journey into entrepreneurship is as inspiring as it is surprising. With a solid background in interior architecture, she has spent years immersed in the study and design of building spaces, particularly those intended for children. This expertise was further honed over a five-year career in the interior architecture industry, where she developed a profound appreciation for iconic buildings.

From 2024, Maggie Jong has embarked on a new venture: writing an informative blog centered around personal product analysis and first-hand usage reviews. This blog is a natural extension of her commitment to educational excellence, offering insights and evaluations on products that enhance learning and creativity for children.

Through her posts, Maggie continues to explore how products can be both fun and educational, ensuring that her readers are well-informed about the best tools to enrich their children's learning environments.