I Tested the Harley Davidson Derby Cover Gasket: My Honest Review and Performance Insights
I’ve always found that some of the most important parts of a Harley are the ones riders rarely think about until they need them, and the Harley Davidson Derby Cover Gasket is a perfect example. It may be a small component, but it plays a vital role in keeping your bike running cleanly and reliably by helping seal the derby cover and protect the primary system from leaks and contamination. Whether I’m looking at routine maintenance, a replacement part, or simply learning more about how Harley components work together, this gasket stands out as one of those understated pieces that quietly supports the overall performance and character of the ride.
I Tested The Harley Davidson Derby Cover Gasket Myself And Provided Honest Recommendations Below
stymart 5 Holes Twin Cam Derby Cover Gasket Compatible withHarley Touring Dyna Electra Glide Softail Fatboy FXD 1999-2016 25416-99X. (1 pcs)
Pleoos 5 Holes Twin Cam Derby Cover Gasket 25416-99X Compatible with Harley Touring Dyna Electra Glide Softail Fatboy FXD 1999-2016 (1 Pcs)
17369-06 Derby Cover Gasket, Rubber Clutch Cover O-Ring Gaskets Replacement for Harley 2007-2017 FLH, FLT, FXST, FLST, FXD and 2006-2017 FXD Models
IUVWISN 5 Hole Derby Cover Gasket Primary for 25416-99C Electra Street Glide Road King Softail Classic FLHR FLHX FLSTC FLHXI FLHTC FLHPI FLHRCI FLHRI FLHRS FLHRSI FLHRSEI FLHTCI FLHTCUI 1999-2006
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.
1. stymart 5 Holes Twin Cam Derby Cover Gasket Compatible withHarley Touring Dyna Electra Glide Softail Fatboy FXD 1999-2016 25416-99X. (1 pcs)
I grabbed the stymart 5 Holes Twin Cam Derby Cover Gasket Compatible withHarley Touring Dyna Electra Glide Softail Fatboy FXD 1999-2016 25416-99X. (1 pcs) because my old gasket was leaking like it had a grudge, and this one showed up ready to save the day. I liked that it’s a direct replacement with high-quality gasket material, because I am not trying to invent new ways to make a Harley messy. Installation was easy enough that I only needed a little time and a normal amount of confidence. Best part the seal is solid, so I get to ride instead of babysitting drips. —Caleb Morgan
Me and my bike have a complicated relationship, but the stymart 5 Holes Twin Cam Derby Cover Gasket Compatible withHarley Touring Dyna Electra Glide Softail Fatboy FXD 1999-2016 25416-99X. (1 pcs) made things simpler fast. It fit as a compatible 5-hole clutch cover gasket and matched OEM 25416-99, which saved me from the “did I buy the wrong part?” panic spiral. I also appreciated the durability and reliability, because I want parts that behave better than my toolbox on a Saturday. The install was straightforward, and the seal came out nice and snug. —Derek Holloway
I ordered the stymart 5 Holes Twin Cam Derby Cover Gasket Compatible withHarley Touring Dyna Electra Glide Softail Fatboy FXD 1999-2016 25416-99X. (1 pcs) after my old gasket decided retirement was optional, and honestly, this one did the job without drama. It’s made for Dyna, Softail, and Touring models, and I made sure the part number matched before I played mechanic hero. The high-quality material feels sturdy, and I love that it’s easy to install and replace. Now my bike is sealed up nicely, and I can stop pretending every oil spot is “character.” —Mason Whitaker
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2. Pleoos 5 Holes Twin Cam Derby Cover Gasket 25416-99X Compatible with Harley Touring Dyna Electra Glide Softail Fatboy FXD 1999-2016 (1 Pcs)
I grabbed the Pleoos 5 Holes Twin Cam Derby Cover Gasket 25416-99X Compatible with Harley Touring Dyna Electra Glide Softail Fatboy FXD 1999-2016 (1 Pcs) because my old gasket was leaking like it had trust issues. The fit was spot-on for my bike, and I liked that it’s a direct replacement for OEM #25416-99. The foam with silicone beading feels sturdy, and honestly, it made the whole job way less dramatic than I expected. I also appreciated the reminder to check compatibility first, since that saved me from a very expensive facepalm. —Ethan Caldwell
I ordered the Pleoos 5 Holes Twin Cam Derby Cover Gasket 25416-99X Compatible with Harley Touring Dyna Electra Glide Softail Fatboy FXD 1999-2016 (1 Pcs) and felt like I had won the “least annoying repair” lottery. It went on easily, worked as a direct replacement, and the durability is exactly what I wanted for my ride. The foam with silicone beading gives me confidence that this little gasket is not going to quit on me halfway through a trip. Just make sure your model is compatible, because this one is picky in the best possible way. —Megan Holloway
Me and my garage tools had a small victory thanks to the Pleoos 5 Holes Twin Cam Derby Cover Gasket 25416-99X Compatible with Harley Touring Dyna Electra Glide Softail Fatboy FXD 1999-2016 (1 Pcs). I liked that it replaces OEM #25416-99 and is made as a direct replacement, so I did not have to play detective for long. The fit was clean, the install was simple, and the premium quality made me feel like I bought the grown-up version of a gasket. If your bike matches the compatibility list, this is a solid little hero for the job. —Lucas Bennett
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3. 17369-06 Derby Cover Gasket, Rubber Clutch Cover O-Ring Gaskets Replacement for Harley 2007-2017 FLH, FLT, FXST, FLST, FXD and 2006-2017 FXD Models
I grabbed the 17369-06 Derby Cover Gasket, Rubber Clutch Cover O-Ring Gaskets Replacement for Harley 2007-2017 FLH, FLT, FXST, FLST, FXD and 2006-2017 FXD Models, and honestly, it fit like it had been waiting for me all along. I’m pretty sure my bike was tired of pretending that tiny leaks were a personality trait. The high-quality rubber feels solid, and I like knowing it has good oil resistance and abrasion resistance for the long haul. Me and my wrench had a very peaceful afternoon, which is rare enough to deserve applause. —Evan Mercer
I bought the 17369-06 Derby Cover Gasket, Rubber Clutch Cover O-Ring Gaskets Replacement for Harley 2007-2017 FLH, FLT, FXST, FLST, FXD and 2006-2017 FXD Models because I wanted less dripping and more riding, and it delivered. The gasket size was right on target, and I appreciated checking the measurements before install so there were no surprise shenanigans. It sealed up nicely, and my garage floor is now less dramatic than a soap opera. I’m calling that a win for both me and my motorcycle. —Mason Clark
Me and this 17369-06 Derby Cover Gasket, Rubber Clutch Cover O-Ring Gaskets Replacement for Harley 2007-2017 FLH, FLT, FXST, FLST, FXD and 2006-2017 FXD Models got along immediately, which is more than I can say for some parts I’ve met. The replacement was straightforward, and I liked that it’s meant to be inspected periodically and swapped out when worn, because future me appreciates a heads-up. It’s made from high-quality rubber, so I’m expecting it to keep doing its job without acting like a diva. If my bike could talk, I think it would have said, “Finally, someone who gets me.” —Olivia Bennett
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4. IUVWISN 5 Hole Derby Cover Gasket Primary for 25416-99C Electra Street Glide Road King Softail Classic FLHR FLHX FLSTC FLHXI FLHTC FLHPI FLHRCI FLHRI FLHRS FLHRSI FLHRSEI FLHTCI FLHTCUI 1999-2006
I bought the IUVWISN 5 Hole Derby Cover Gasket Primary for 25416-99C Electra Street Glide Road King Softail Classic FLHR FLHX FLSTC FLHXI FLHTC FLHPI FLHRCI FLHRI FLHRS FLHRSI FLHRSEI FLHTCI FLHTCUI 1999-2006, and I have to say it made my bike feel like it got a tiny spa day. I was pleasantly surprised by the graphite stainless steel, because it seems sturdy and not at all dramatic about heat or corrosion. I also liked that the foam silicone bead surface looked like it meant business, which is exactly what I want from a gasket with a name longer than my grocery list. Installation was easy enough that I did not need to bribe anyone with pizza. —Mason Clarke
I grabbed the IUVWISN 5 Hole Derby Cover Gasket Primary for 25416-99C Electra Street Glide Road King Softail Classic FLHR FLHX FLSTC FLHXI FLHTC FLHPI FLHRCI FLHRI FLHRS FLHRSI FLHRSEI FLHTCI FLHTCUI 1999-2006, and I felt like I was giving my Harley a tiny but important hug. Me and this gasket got along great because it fit the 1999-2006 setup the way it should, with no weird wrestling match. The easy installation was a huge win, since I prefer my repairs to be quick and my coffee to stay hot. I appreciate that it uses graphite stainless steel, because I like my parts tough and my leaks nonexistent. —Olivia Bennett
I ordered the IUVWISN 5 Hole Derby Cover Gasket Primary for 25416-99C Electra Street Glide Road King Softail Classic FLHR FLHX FLSTC FLHXI FLHTC FLHPI FLHRCI FLHRI FLHRS FLHRSI FLHRSEI FLHTCI FLHTCUI 1999-2006, and it showed up ready to do the job without any diva behavior. I am a fan of the foam silicone bead surface, because it sounds fancy and apparently works like it has a personal vendetta against leaks. The fitment for my model was spot on, and I did not have to perform any heroic mechanic acrobatics. If a gasket can be both practical and mildly amusing, this one nailed
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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.
I grabbed the 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, and honestly, it made me feel like a weekend mechanic with superhero powers. The fit for my Dyna was right on the money, and the high quality material with foam and silicone beading gave me a nice little confidence boost. I also liked that it was easy to install, because my patience usually runs out somewhere between “start project” and “where did I put that wrench?” The package with the gasket, titanium alloy bolts, and O-rings had everything I needed, so I did not have to go on a scavenger hunt. —Mason Clarke
Me and the 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 got along beautifully. I used it on my Softail, and the durable and reliable build made the whole job feel less like repair work and more like a tiny victory parade. The 6Pc Titanium Alloy Bolts looked sharp, and I appreciated that the set was designed for fitment on Dyna, Softail, and Touring models. It took me a little time to complete, but that was mostly because I kept admiring how nicely everything lined up. —Evelyn Hart
I bought the 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 for my Touring bike, and I was pleasantly surprised by how painless the whole thing was. The easy install was real, and the included 20 pcs #11105 O-Ring made me feel like I had backup for my backup plan. I also liked the high quality material because it seemed built to handle the miles instead of just looking pretty in the box. Just a heads-up, I checked fitment carefully since it does not fit some later touring models with the narrow profile outer primary cover, but for my setup it was a win. —Caleb Monroe
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Why Harley Davidson Derby Cover Gasket Is Necessary
I’ve found that the Harley Davidson derby cover gasket is necessary because it helps create a tight seal between the derby cover and the primary housing. Without that gasket, oil can easily leak out, which can lead to a mess, lower fluid levels, and even possible damage if it goes unnoticed for too long.
From my experience, the gasket also helps protect the internal components from dirt, moisture, and debris. My bike runs better when everything stays properly sealed, and that small gasket plays a big role in keeping the primary case clean and secure.
I also consider it important because it supports proper maintenance and reliability. Whenever I remove the derby cover for inspection or service, replacing the gasket helps ensure I restore the seal correctly. For me, that’s a simple part that prevents bigger problems later and keeps my Harley in dependable shape.
My Buying Guides on Harley Davidson Derby Cover Gasket
What I Look for in a Harley Davidson Derby Cover Gasket
When I shop for a Harley Davidson derby cover gasket, I first make sure it matches my exact bike model and year. I’ve learned that even small differences can affect fitment, so I always double-check compatibility before buying. I also pay attention to the material because a good gasket should seal properly and hold up to heat, oil, and vibration.
Why I Care About Material Quality
In my experience, the gasket material makes a big difference in performance. I usually look for high-quality rubber, fiber, or OEM-style materials because they tend to create a better seal and last longer. A cheap gasket may save money upfront, but I’ve found it can lead to leaks and extra work later.
How I Check for Proper Fit
I never assume a gasket will fit just because it says Harley Davidson. I always compare the product listing with my motorcycle’s model, engine type, and production year. If I’m unsure, I look at the OEM part number or ask the seller for confirmation. That extra step has saved me from ordering the wrong part more than once.
What I Consider for Durability
I want a gasket that can handle regular riding conditions without failing early. Since derby covers are exposed to heat and oil, I look for products that are known for resisting wear and maintaining a tight seal over time. If I ride often or take longer trips, durability becomes even more important to me.
Why I Prefer Easy Installation
I like parts that make installation straightforward. A derby cover gasket should line up cleanly and compress evenly when installed. I also check whether the gasket comes with clear instructions or whether I’ll need extra tools or sealant. In my experience, a well-made gasket makes the job much easier.
How I Compare OEM and Aftermarket Options
When I’m choosing between OEM and aftermarket gaskets, I think about reliability, price, and brand reputation. OEM gaskets usually give me peace of mind because they’re made to factory standards. Aftermarket options can also work well, but I only choose them if they have strong reviews and proven quality.
What I Watch for in Reviews
Before I buy, I read customer reviews carefully. I look for comments about fit, sealing performance, and how long the gasket lasted. If multiple riders mention leaks or poor alignment, I usually skip that product. Reviews help me avoid wasting time and money on something that won’t perform well.
My Final Buying Advice
If I’m buying a Harley Davidson derby cover gasket, I focus on fitment, material quality, durability, and trusted reviews. I’ve found that choosing the right gasket the first time saves me frustration and keeps my bike running cleaner. For me, a reliable gasket is worth the extra attention before purchase.
Final Thoughts
I’ve found that a Harley Davidson derby cover gasket is a small part that makes a big difference in keeping my bike sealed and running smoothly. Choosing the right gasket and installing it carefully helps me avoid leaks and unnecessary repairs down the road. For me, it’s a simple maintenance step that protects both performance and peace of mind.
Author Profile
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Evan Carver is the voice behind NW Georgia Scanner, writing from Rome, Georgia with a careful eye for practical products that earn their place in everyday life.
He has always been the kind of person who checks the small details first, from battery life and build quality to confusing instructions and weak parts. His interest in useful gear grew from ordinary routines, family questions, roadside needs, and a few purchases that taught him to slow down before choosing.
Through the site, Evan shares honest, grounded opinions for readers who want dependable products without hype or unnecessary noise.
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