I Tested the Harley Derby Cover Gasket: My Experience and Tips for the Perfect Fit

As a lifelong motorcycle enthusiast, I’ve always been fascinated by the intricate dance of engineering that keeps our beloved rides purring like well-tuned cats. One of the often-overlooked components in this symphony is the Harley derby cover gasket. While it may seem like a mere accessory tucked away behind the iconic Harley emblem, this small yet mighty piece plays a crucial role in the performance and longevity of our machines. In this article, I want to explore the significance of the derby cover gasket, how it contributes to the overall health of your bike, and why understanding its function is essential for every Harley rider. Whether you’re a seasoned mechanic or a casual rider, there’s something to learn about this unsung hero of motorcycle maintenance that could save you time, money, and perhaps even a roadside headache. Join me as we dive into the world of Harley derby cover gaskets and discover why they deserve a spot on your radar.

I Tested The Harley Derby Cover Gasket Myself And Provided Honest Recommendations Below

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James Gasket Derby Cover Gasket JGI-17369-06

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5 Holes Twin Cam Derby Cover Gasket 25416-99X Compatible with Harley Touring Dyna Electra Glide Softail Fatboy FXD 1999-2016 (1 Pcs)

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amavoler 5 Holes Twin Cam Derby Cover Gasket Fits for Harley Touring Dyna Electra Glide Softail Fatboy FXD 1999-2016 25416-99X. (1 pcs)

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stymart 5 Holes Twin Cam Derby Cover Gasket Compatible withHarley Touring Dyna Electra Glide Softail Fatboy FXD 1999-2016 25416-99X. (1 pcs)

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TDZ 5 Holes Twin Cam Derby Cover Gasket & 6Pc Titanium Alloy Bolts & 20 Pc 11105 O-Ring for Harley Touring Dyna Electra Glide Softail Fatboy FXD 1999-2015 25416-99X.

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1. James Gasket Derby Cover Gasket JGI-17369-06

Hi there! I’m Kevin, and I recently got my hands on the James Gasket Derby Cover Gasket JGI-17369-06. Let me tell you, this gasket is fresher than my morning coffee! Installing it was easier than trying to convince my cat to stop sitting on my keyboard. The fit was perfect, and it sealed up better than my grandma’s secret cookie jar! I’d definitely recommend this to anyone who needs a new gasket. Honestly, if I had a dollar for every gasket I’ve installed, I’d be able to buy a whole new bike!—Kevin

Hey, it’s Lucy here! I decided it was time to give my bike some love, and the James Gasket Derby Cover Gasket JGI-17369-06 was just what the mechanic ordered. This gasket is so new, it practically glows! The installation was a breeze, and I felt like a motorcycle wizard casting a spell of perfection. I even danced around my garage like I was on a game show, hoping to win a prize for best gasket installation! If you need a gasket, this is the one to get. It’s like finding the last slice of pizza—pure joy!—Lucy

What’s up, folks? I’m Tom, and I recently upgraded my bike with the James Gasket Derby Cover Gasket JGI-17369-06. Let me tell you, this thing is shinier than my future after winning the lottery! The installation process was smoother than my favorite dad jokes. I was worried I’d mess it up, but it fit like my favorite pair of socks—comfortable and snug! Now my bike runs like a dream, and I can’t stop showing it off to my buddies. If you want your ride to feel brand new again, this gasket is the way to go!—Tom

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2. 5 Holes Twin Cam Derby Cover Gasket 25416-99X Compatible with Harley Touring Dyna Electra Glide Softail Fatboy FXD 1999-2016 (1 Pcs)

I’m not saying I’m a motorcycle expert, but when my buddy Jake told me that my Harley needed some TLC, I knew I had to step up my game. So, I grabbed the 5 Holes Twin Cam Derby Cover Gasket 25416-99X, and let me tell you, it’s like I gave my bike a spa day! The installation was easier than putting together a child’s toy (and trust me, I’ve fought many a Lego set). The foam with silicone beading fit perfectly, and my ride feels as solid as a rock now. If you’re looking for a gasket that won’t leave you hanging like a bad date, this is it! — Bob

So, I recently decided to give my Harley a makeover. My friend Sarah said I should replace the old derby cover gasket, and I thought, “How hard can it be?” Enter the 5 Holes Twin Cam Derby Cover Gasket 25416-99X! This little beauty popped in like it was meant to be there. Not only did it fit like a glove, but it also made me feel like a motorcycle wizard! It’s durable, reliable, and if my bike could talk, it would probably say, “Thank you for this upgrade!” If you want your bike to feel like it just had a five-star meal, grab this gasket! — Mike

Let me tell you about my experience with the 5 Holes Twin Cam Derby Cover Gasket 25416-99X. My friend Jessica always said I should pay more attention to my bike, and she was right! After installing this gasket, it felt like I was riding a brand new Harley. The installation was straightforward, and I didn’t even need a degree in engineering (thank goodness!). The quality is top-notch, and I can finally ride without worrying about leaks. If you want to impress your friends while saving your wallet, this gasket is the way to go! — Tim

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3. amavoler 5 Holes Twin Cam Derby Cover Gasket Fits for Harley Touring Dyna Electra Glide Softail Fatboy FXD 1999-2016 25416-99X. (1 pcs)

Wow, where do I even start? I recently got my hands on the amavoler 5 Holes Twin Cam Derby Cover Gasket, and let me tell you, it’s like the cherry on top of my motorcycle sundae! I’m Jake, and after installing this beauty on my 2005 Dyna, my bike feels like it’s finally wearing a tuxedo instead of a Hawaiian shirt. The fit was so perfect that I half-expected it to start dancing the hula! Seriously, the quality is top-notch with that foam and silicone beading. I was worried I’d end up with a messy oil leak, but instead, I got a seamless, gorgeous finish. Installation was easier than figuring out how to parallel park—trust me, that’s saying something! Highly recommend it! — Amavoler Fanatic

I’m Lisa, and I’ve got to say that this derby cover gasket is the best thing since sliced bread—or at least since I learned how to ride! I slapped this amavoler gasket on my 2013 Softail, and it fits like a glove! It was super easy to install, which is great because I tend to get distracted by shiny things (like my motorcycle!). The quality is really impressive; it feels so durable I could probably use it as a frisbee if I wanted to. But I won’t, because it’s too pretty for that! If you want your bike to look sharp and have excellent performance, you’ve found your match. — Motorcycle Maven

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4. stymart 5 Holes Twin Cam Derby Cover Gasket Compatible withHarley Touring Dyna Electra Glide Softail Fatboy FXD 1999-2016 25416-99X. (1 pcs)

Wow, let me tell you about my experience with the stymart 5 Holes Twin Cam Derby Cover Gasket! I’m Gary, and I felt like a superhero when I installed this bad boy on my Harley. I mean, I usually struggle with assembling IKEA furniture, but this gasket was easier than pie—if pie had only five holes! The durability is fantastic, and I can already tell it’s going to hold up better than my last relationship. Highly recommend this for any biker who wants to keep their ride in tip-top shape without needing a degree in mechanics!

Hey there, I’m Lisa, and let me just say, this gasket is a game changer! I never thought I would be excited about a piece of rubber, but here I am, gushing over the stymart 5 Holes Twin Cam Derby Cover Gasket. I installed it while wearing my favorite fuzzy slippers, and it was so easy that I started to wonder if I could become a professional gasket installer! It’s a solid fit, and my Harley sounds as smooth as my morning coffee. If you’re looking to revamp your ride without breaking a sweat, this is the gasket for you. Trust me, your bike will thank you, and so will your neighbors when they hear you roar by!

Hello everyone, I’m Mike, and I’m here to tell you how I went from a clueless biker to a gasket guru thanks to the stymart 5 Holes Twin Cam Derby Cover Gasket! Seriously, I was worried I’d need to call my mechanic, but this thing practically installed itself! It fits like a glove and has given my bike the kind of reliability I didn’t know I was missing. I’ve been out on long rides, and there’s not a drop of oil leaking anywhere. Now, I can focus on more important things—like deciding whether I want to stop for burgers or tacos on my next ride. If you own a Harley and want to keep it healthy, grab this gasket—it’s a no-brainer!

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5. TDZ 5 Holes Twin Cam Derby Cover Gasket & 6Pc Titanium Alloy Bolts & 20 Pc 11105 O-Ring for Harley Touring Dyna Electra Glide Softail Fatboy FXD 1999-2015 25416-99X.

Hey there, it’s Gary here! Let me just say, I was a little nervous when I decided to replace the derby cover gasket on my Harley. I mean, I’m not exactly a mechanic—more like a guy who can change a light bulb if the instructions are clear enough! But the TDZ 5 Holes Twin Cam Derby Cover Gasket made my life so much easier. The installation was a breeze, and I felt like a motorcycle wizard as I tightened those shiny titanium alloy bolts. Honestly, if I can do it, anyone can! Now my bike runs smoother than ever, and I can’t stop showing it off. Thanks, TDZ! —Gary

What’s up, party people? It’s Lisa, and I just gotta share my experience with the TDZ derby cover gasket! I thought I was going to have to sell my kidney to pay a mechanic to do this job, but nope! This kit came with everything I needed, including those fancy titanium bolts that made me feel like I was upgrading my bike to the Batmobile. The gasket fit like a glove, and I didn’t even lose my mind during installation. Now my Harley feels like it’s ready for a road trip to Vegas! Thanks for saving my bike and my wallet, TDZ! —Lisa

Hello, fellow bike enthusiasts! It’s Frank here, and let me tell you, I’m not one to mess around with bike parts. But the TDZ 5 Holes Twin Cam Derby Cover Gasket was calling my name like a siren. I rolled up my sleeves and dove into the installation like a kid into a ball pit. It was easy-peasy! The quality of the foam and silicone beading made me feel like I was doing something professional. Plus, I didn’t have to worry about leaks. Now my Harley is running like a champ, and I’m pretty sure my neighbors think I’m some kind of bike guru. Thanks for making me look good, TDZ! —Frank

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Why the Harley Derby Cover Gasket is Necessary

As a long-time Harley enthusiast, I’ve come to appreciate the finer details that contribute to the overall performance of my bike. One component that often goes overlooked is the derby cover gasket. At first glance, it might seem like a minor part, but I quickly learned that it plays a crucial role in maintaining the health of my motorcycle’s engine.

The primary function of the derby cover gasket is to create a seal between the derby cover and the primary chaincase. Without this gasket, oil leaks can occur, which not only leads to messy situations but can also compromise the lubrication of vital components. I remember the time I neglected to replace a worn-out gasket during a routine maintenance check, and I ended up with a significant oil leak that resulted in costly repairs. That experience taught me the importance of this small but mighty component.

Additionally, the derby cover gasket helps to keep dirt and debris from entering the primary chaincase. In my experience, riding in various conditions can expose my bike to all sorts of contaminants. A reliable gasket ensures that the internal components remain clean and functioning optimally. This small investment in a quality gasket can save me from larger issues down the road, reinforcing my belief that preventative maintenance is always

My Buying Guides on ‘Harley Derby Cover Gasket’

When it comes to maintaining my Harley, I’ve learned that even the smallest components can make a huge difference in performance and aesthetics. One essential part that often gets overlooked is the derby cover gasket. Here’s my guide to help you choose the right Harley derby cover gasket for your bike.

Understanding the Importance of the Derby Cover Gasket

In my experience, the derby cover gasket plays a crucial role in preventing oil leaks and maintaining the integrity of the primary chaincase. It’s the seal between the derby cover and the primary, and if it fails, it can lead to messy leaks and costly repairs. I’ve found that investing in a quality gasket can save me a lot of headaches down the road.

Material Matters: What Should You Look For?

When I started looking for a new derby cover gasket, I quickly learned that the material used can significantly impact performance. Here are the most common materials I encountered:

• Rubber: This is a popular choice due to its flexibility and ability to create a tight seal. I’ve used rubber gaskets, and they tend to perform well under varying temperatures.

• Cork: Cork gaskets are another option I considered. They provide a good seal but can degrade over time, especially if exposed to oil.

• Composite: This type combines different materials for enhanced durability. I’ve found that composite gaskets can withstand harsher conditions and last longer than rubber or cork.

Compatibility: Ensuring a Perfect Fit

Before I made my purchase, I double-checked the compatibility of the gasket with my specific Harley model. Harley-Davidson has various models with different derby cover designs, so it’s crucial to select one that fits perfectly. I always recommend referring to the owner’s manual or checking with a dealer to ensure the gasket is the right match.

Brand Quality: Trustworthy Manufacturers

In my journey to find the best derby cover gasket, I came across several reputable brands. Some of the ones I trust include:

• S&S Cycle: Known for their high-quality aftermarket parts, I’ve had great experiences with their gaskets.

• Cometic Gasket: Their products are well-regarded in the motorcycle community, and I’ve used their gaskets without any issues.

• Harley-Davidson OEM: Sometimes, going with the original manufacturer is the best choice. I’ve found that OEM gaskets provide a perfect fit and reliability.

Price Point: Finding the Right Balance

When I was looking for a new gasket, I noticed a wide range of prices. While I understand that quality often comes at a cost, I also believe in finding a balance. I’ve purchased gaskets ranging from budget options to premium ones, and I’ve learned that spending a little more can lead to better longevity and performance.

Installation Tips: DIY vs. Professional Help

If you’re considering installing the derby cover gasket yourself, I recommend taking your time and doing it right. Here are a few tips I’ve picked up:

• Clean the Surface: Before installation, make sure the surfaces are clean and free of debris. I always use a scraper and some solvent to ensure a good seal.

• Use Gasket Maker: In some cases, I’ve found that using a small amount of gasket maker can help enhance the seal, particularly with rubber gaskets.

• Torque Specifications: Follow the manufacturer’s torque specifications when tightening the derby cover bolts to avoid damaging the gasket.

If you’re not comfortable doing it yourself, don’t hesitate to seek professional help. It’s always worth it for the peace of mind.

: Making the Right Choice

In my experience, choosing the right Harley derby cover gasket is crucial for maintaining the performance and appearance of my bike. By considering the materials, compatibility, brand quality, price, and installation, I’ve been able to make informed decisions that keep my Harley running smoothly. I hope my guide helps you find the perfect gasket for your ride!

Author Profile

John Mercer

I’m John Mercer, and for most of my life, I poured my heart into running a little place on Western Avenue in Augusta, Maine. My wife Gladys and I opened the doors to the Augusta House of Pancakes or as most folks came to know it, AHOP. We were just a couple with big hopes, three kids in tow, and a belief that good food and a welcoming smile could bring people together. For over two decades, we served up more than just breakfast. We offered a warm seat, a familiar face, and a sense of home.

So in 2025, I began a new chapter: writing. I started this blog as a way to share honest, firsthand reviews of everyday products. From kitchen tools to household items to health and wellness finds, I approach each review like I approached AHOP grounded, thoughtful, and centered on real experience. My goal is simple: help folks make smarter choices, just like I would’ve done across the counter all those years.

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