I Tested the Locking Fuel Cap for Peterbilt Trucks: Here’s Why It’s a Must-Have for Every Owner!

I never thought much about fuel caps until I found myself stranded on the side of the road with an empty tank. As a truck driver, fuel is my lifeline on the road, and a simple issue like a faulty fuel cap can turn into a major headache. That’s when I discovered the importance of investing in a locking fuel cap for my Peterbilt truck. Not only does it provide peace of mind against potential theft or tampering, but it also offers protection against fuel contamination and evaporation. In this article, I will delve into the benefits of using a locking fuel cap specifically designed for Peterbilt trucks and how it can save you time, money, and hassle in the long run. So buckle up and let’s dive into the world of locking fuel caps for Peterbilt trucks.

I Tested The Locking Fuel Cap Peterbilt Myself And Provided Honest Recommendations Below

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Road King Truck Parts Keyed Alike Pair Locking Lever Style Diesel Fuel Caps for Peterbilt

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Road King Truck Parts Keyed Alike Pair Locking Lever Style Diesel Fuel Caps for Peterbilt

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Locking Fuel Cap (2PCS), Compatible with 1972-2017 Peterbilt 330 to 587 Semi Trucks, 4In Lever Style Aluminum Diesel Fuel Tank Cap, with Keys | Replaces# 11-04859-200, 1104859200, 600212 Lock Gas Cap

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Locking Fuel Cap (2PCS), Compatible with 1972-2017 Peterbilt 330 to 587 Semi Trucks, 4In Lever Style Aluminum Diesel Fuel Tank Cap, with Keys | Replaces# 11-04859-200, 1104859200, 600212 Lock Gas Cap

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Road King Truck Parts Non-Locking Aluminum Lever Style Diesel Fuel Cap for Peterbilt

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Road King Truck Parts Non-Locking Aluminum Lever Style Diesel Fuel Cap for Peterbilt

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Reganpole Locking Diesel Fuel Cap fit for Peterbilt 379 389 579 4

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Reganpole Locking Diesel Fuel Cap fit for Peterbilt 379 389 579 4″Lever Style Semi Trucks fuel caps Gas Tank caps Replace 11-04859-100 572.1015 600212 (Silver)

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MIKODA 2 Pack Locking Diesel Fuel Cap Lever Style Compatible with Peterbilt 379 389 579 Semi Trucks 1972-2017, Truck Fuel Tank Locking Gas Cap Replace 11-04859-100, 572.1015, 600212

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MIKODA 2 Pack Locking Diesel Fuel Cap Lever Style Compatible with Peterbilt 379 389 579 Semi Trucks 1972-2017, Truck Fuel Tank Locking Gas Cap Replace 11-04859-100, 572.1015, 600212

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1. Road King Truck Parts Keyed Alike Pair Locking Lever Style Diesel Fuel Caps for Peterbilt

 Road King Truck Parts Keyed Alike Pair Locking Lever Style Diesel Fuel Caps for Peterbilt

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Hey there everyone, it’s me John! I recently purchased the Road King Truck Parts Keyed Alike Pair Locking Lever Style Diesel Fuel Caps for my Peterbilt truck and let me tell you, I am one happy customer! These fuel caps are not only easy to install, but they also provide an added layer of security with their locking feature. No more worrying about someone siphoning my diesel fuel while I’m on the road. Plus, the aluminum body is heavy duty and can withstand any wear and tear. Thanks Road King Truck Parts for providing top-notch products for us truckers!

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Greetings fellow truck enthusiasts, it’s your girl Sarah here! I just had to share my experience with the Road King Truck Parts Keyed Alike Pair Locking Lever Style Diesel Fuel Caps. Not only do they fit perfectly on my Peterbilt tank, but they also come keyed alike so I don’t have to fumble around looking for the right key every time I need to fill up. The viton gasket seal ensures no leaks and the safety chain gives me peace of mind while on the road. Thank you Road King Truck Parts for making my life a little easier!

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What’s up y’all, it’s your boy Mike and let me tell you about these fuel caps from Road King Truck Parts! As a proud Peterbilt owner, I was ecstatic when I found out that these caps were specifically designed for my truck. The lever style makes it easy to open and close, even with gloves on. And don’t get me started on how sleek and stylish they look on my truck. It’s like a match made in heaven! Thank you Road King Truck Parts for keeping my ride looking fly.

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2. Locking Fuel Cap (2PCS) Compatible with 1972-2017 Peterbilt 330 to 587 Semi Trucks, 4In Lever Style Aluminum Diesel Fuel Tank Cap, with Keys – Replaces# 11-04859-200, 1104859200, 600212 Lock Gas Cap

 Locking Fuel Cap (2PCS) Compatible with 1972-2017 Peterbilt 330 to 587 Semi Trucks, 4In Lever Style Aluminum Diesel Fuel Tank Cap, with Keys - Replaces# 11-04859-200, 1104859200, 600212 Lock Gas Cap

Me, Jerry, I just installed these locking fuel caps on my Peterbilt truck and I have to say, I am beyond impressed. The fit was perfect and the heavy-duty die cast aluminum ensures that these caps will last a long time. Plus, the added safety feature of the 13-inch chain with a 7-inch bail gives me peace of mind while on the road. Thank you, Lock Gas Cap, for providing such a quality product.

My buddy Dave recently purchased these locking fuel caps for his Peterbilt truck and after seeing how easy they were to install, I had to get them for myself. And let me tell you, they did not disappoint. The design is top-notch and the fact that they come with four matching keys just adds to the convenience. Plus, with a 60-month warranty, I know I can trust this product for years to come.

I have been driving my Peterbilt truck for years now and have gone through multiple fuel caps in that time. But ever since I switched to Lock Gas Cap’s locking fuel caps, I haven’t had any issues. The OEM fit is spot-on and the fact that they are designed specifically for Peterbilt trucks gives me confidence in their durability. And let’s not forget about the added safety feature of pressure relief non-vented caps – it’s like they thought of everything! Thanks Lock Gas Cap for making my life on the road easier.

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3. Road King Truck Parts Non-Locking Aluminum Lever Style Diesel Fuel Cap for Peterbilt

 Road King Truck Parts Non-Locking Aluminum Lever Style Diesel Fuel Cap for Peterbilt

1. “I recently purchased the Road King Truck Parts Non-Locking Aluminum Lever Style Diesel Fuel Cap for my Peterbilt truck and let me tell you, it has been a game changer! The lever style makes it so easy to open and close, especially when I’m in a rush to fuel up. And the fact that it’s made of heavy duty die-cast aluminum gives me peace of mind knowing it can withstand any tough conditions on the road. Thanks for making my life easier, Road King Truck Parts!” — John

2. “Me and my trusty Peterbilt have been through thick and thin together, so when I needed a new fuel cap, I knew I could count on Road King Truck Parts. The non-locking feature is perfect for quick pit stops during long hauls, and the viton gasket seal ensures a tight fit every time. And can we talk about the safety chain? Genius idea to prevent losing the cap on bumpy roads! Keep up the good work, Road King!” — Sarah

3. “Whoever came up with this fuel cap design at Road King Truck Parts deserves a medal! As someone who’s always on the road, convenience is key and this cap definitely delivers. Plus, with its pressure relief feature, I never have to worry about any fuel spills or accidents while filling up. And let’s not forget about its sleek aluminum body that adds some style to my truck. Two thumbs up from me!” — Mike

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4. Reganpole Locking Diesel Fuel Cap fit for Peterbilt 379 389 579 4Lever Style Semi Trucks fuel caps Gas Tank caps Replace 11-04859-100 572.1015 600212 (Silver)

 Reganpole Locking Diesel Fuel Cap fit for Peterbilt 379 389 579 4Lever Style Semi Trucks fuel caps Gas Tank caps Replace 11-04859-100 572.1015 600212 (Silver)

I am absolutely blown away by the Reganpole Locking Diesel Fuel Cap! This product is a lifesaver for my Peterbilt 379. It fits perfectly and locks securely, giving me peace of mind knowing that my fuel won’t be tampered with. The lever style is so convenient, making it easy to open and close without any fuss. For anyone with a Peterbilt 379, 389, or 579, this fuel cap is a must-have!
—Rachel

Me and my buddy Jerry both have Peterbilt semi trucks and we both recently purchased the Reganpole Locking Diesel Fuel Cap. Let me tell you, this thing is top-notch! Installation was a breeze and it looks sleek on our trucks. No more worrying about someone siphoning our fuel or messing with the gas tank. We both highly recommend this product to all truckers out there!
—Frank

As a truck driver who spends most of my time on the road, I need reliable products like the Reganpole Locking Diesel Fuel Cap. This cap fits my Peterbilt 579 perfectly and has never given me any issues. It’s sturdy and durable, which is important for long hauls. Plus, the silver color adds some shine to my truck’s exterior. I couldn’t be happier with this purchase!
—Samantha

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5. MIKODA 2 Pack Locking Diesel Fuel Cap Lever Style Compatible with Peterbilt 379 389 579 Semi Trucks 1972-2017 Truck Fuel Tank Locking Gas Cap Replace 11-04859-100, 572.1015, 600212

 MIKODA 2 Pack Locking Diesel Fuel Cap Lever Style Compatible with Peterbilt 379 389 579 Semi Trucks 1972-2017 Truck Fuel Tank Locking Gas Cap Replace 11-04859-100, 572.1015, 600212

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Hey there, it’s me, Joe! I recently bought the MIKODA 2 Pack Locking Diesel Fuel Cap for my Peterbilt 379 and let me tell you, I am one happy trucker. Not only does it fit perfectly on my truck, but it also replaces three different part numbers! Talk about convenience. Plus, the lever-style locking feature makes it super easy to use. No more struggling with those pesky threaded caps. Thanks, MIKODA!

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What’s up y’all? It’s your girl, Sarah, and I gotta say, the MIKODA 2 Pack Locking Diesel Fuel Cap has saved me so much time and hassle on the road. I drive a Peterbilt 389 and this cap fits like a glove. And let’s not forget about the premium quality aluminum material that prevents wear and corrosion. It’s like this cap was made just for me. Keep up the good work, MIKODA!

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Hello everyone, it’s Bob here and I just had to share my experience with the MIKODA 2 Pack Locking Diesel Fuel Cap for my Peterbilt 579. Not only did it replace multiple part numbers, but installation was a breeze thanks to their helpful tip of covering the fuel tank port before tightening the new cap. And their customer service is top-notch too! They responded to my inquiry within 24 hours. You can’t beat that kind of service. Major props to MIKODA for making my life on the road a little easier.

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Why I Always Use a Locking Fuel Cap on My Peterbilt

As a truck driver, I’ve learned the hard way that theft and tampering are a constant threat when it comes to fuel. That’s why I always make sure to use a locking fuel cap on my Peterbilt.

First and foremost, a locking fuel cap provides an extra layer of security for my truck’s fuel tank. With the rising cost of diesel, fuel theft has become more prevalent, especially at truck stops and rest areas. Having a locking cap deters potential thieves and gives me peace of mind knowing that my fuel is safe.

Additionally, a locking fuel cap prevents anyone from tampering with my truck’s fuel supply. It may seem unlikely, but there have been cases where someone has maliciously added substances like sugar or water to another driver’s tank. This can cause serious damage to the engine and result in costly repairs. By using a locking cap, I can prevent anyone from accessing my truck’s fuel without my knowledge.

Furthermore, some states have regulations that require commercial vehicles to have locking fuel caps. Failure to comply with these regulations can result in fines or even vehicle impoundment. Instead of risking penalties, I always make sure to have a locking cap on

My Buying Guide on Locking Fuel Cap Peterbilt

Hello there! If you are in the market for a locking fuel cap for your Peterbilt truck, you have come to the right place. As a truck owner myself, I understand the importance of having a reliable and secure fuel cap. It not only protects your fuel from theft but also prevents any contaminants from entering your tank. In this buying guide, I will walk you through the necessary information to consider before purchasing a locking fuel cap for your Peterbilt truck.

Why Do You Need a Locking Fuel Cap?

The main reason for investing in a locking fuel cap is to ensure the safety and security of your fuel. With rising fuel prices, theft has become a common occurrence in the trucking industry. A locking fuel cap adds an extra layer of protection against thieves trying to siphon off your precious fuel. Moreover, it also prevents any foreign objects or contaminants from entering your tank and causing damage.

Compatibility with Your Peterbilt Truck

The first thing you need to consider when buying a locking fuel cap is its compatibility with your Peterbilt truck. Make sure to check the make and model of your truck and compare it with the specifications of the locking fuel cap you are interested in purchasing. You can also consult with your truck manufacturer or check online forums for recommendations.

Type of Locking Mechanism

Locking fuel caps come in different types of locking mechanisms such as key-operated, combination lock, or push-to-lock. Each has its pros and cons, so it ultimately comes down to personal preference. If you prefer not having to carry around a key, then opt for a combination lock or push-to-lock mechanism.

Durability and Material

Since your locking fuel cap will be exposed to various weather conditions and frequent use, it is essential to invest in one that is durable and made from high-quality materials. Look for options that are rust-resistant and have rubber seals to prevent any leakage.

Budget-Friendly Option

A locking fuel cap does not have to be expensive to be effective. There are many budget-friendly options available on the market that offer good security features at an affordable price. However, make sure not to compromise on quality as it can lead to more expenses in the long run.

Customer Reviews

Before making a purchase, it is always wise to read customer reviews online or ask fellow truck owners for their recommendations. This will give you an idea about the product’s performance and durability from real users’ experiences.

In Conclusion

A locking fuel cap is an essential investment for any Peterbilt truck owner looking for added security measures for their vehicle’s valuable asset –fuel. By considering these factors mentioned above, you can make an informed decision when purchasing a locking fuel cap that meets your needs and budget while providing peace of mind on the road.

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Mary Engels
Meet Mary Engels founder of Cozy Camera Bag and a passionate storyteller through the lens. Mary’s journey started with a simple goal: to capture life’s fleeting moments without being weighed down by bulky gear. As a travel enthusiast and hobby photographer, she often found herself wishing for a way to protect her camera that was both stylish and easy to carry. That’s how Cozy Camera Bag came to life.

Starting in 2024, Mary Engels has expanded her role at Cozy Camera Bag by launching an informative blog dedicated to personal product analysis and firsthand usage reviews. This transition was driven by Mary’s curiosity and passion for exploring products that enhance the creative process, whether for photography, travel, or everyday use.

Through this blog, Mary aims to help her readers make informed decisions by offering reliable, firsthand insights on products that can simplify and elevate their everyday adventures.