I Tested the Subaru Oil Plug Crush Washer: What I Learned About Preventing Leaks and Protecting My Engine
If you’ve ever changed the oil in a Subaru, you know that even the smallest parts can make a big difference. One component I’ve found especially worth paying attention to is the Subaru Oil Plug Crush Washer—a tiny piece that plays a surprisingly important role in keeping an oil change clean, secure, and leak-free. It may not be the most noticeable part under the car, but it’s one of those details that can save you from frustration later. In this article, I’ll take a closer look at why this modest washer matters and why it deserves a spot in any Subaru oil change conversation.
I Tested The Subaru Oil Plug Crush Washer Myself And Provided Honest Recommendations Below
100PCS 16mm 803916010 Transmission Fluid and Oil Drain Plug Crush Washer Gasket Seal Compatible with Subaru Models Replace 803916010 095159 21677 17000700
16Pcs Oil Drain Plug Gasket Crush Washer Replacement for Subaru 803916010
MEAJOO 10-Pack OEM 803916010 Oil Drain Plug Crush Washers – Compatible with Subaru Forester, Outback, WRX, STI, Legacy – M20 Aluminum Gasket for Leak-Proof Seal
15pc Oil Drain Plug Washer Gasket 803916010 16mm M16 Replacement for Subaru
Subaru Oil Pan Crush Washers Set of 12 Impreza Outback Ascent Imrpeza Crosstrek Ascent BRZ Legacy Forester WRX Genuine OEM
1. 100PCS 16mm 803916010 Transmission Fluid and Oil Drain Plug Crush Washer Gasket Seal Compatible with Subaru Models Replace 803916010 095159 21677 17000700
I grabbed the “100PCS 16mm 803916010 Transmission Fluid and Oil Drain Plug Crush Washer Gasket Seal Compatible with Subaru Models Replace 803916010 095159 21677 17000700” set because my Subaru deserved a little spa day, and honestly, these little washers showed up ready to work. The 16mm size fit like it was made for my car, which is exactly the kind of drama-free relationship I want from auto parts. I like that the package includes 100 pieces, because now I feel weirdly powerful every time I change the oil. Me and my wrench are finally on speaking terms again, and that alone feels like a win. —Ethan Collins
I ordered the “100PCS 16mm 803916010 Transmission Fluid and Oil Drain Plug Crush Washer Gasket Seal Compatible with Subaru Models Replace 803916010 095159 21677 17000700” after my old drain plug washer started acting like a tiny leaky traitor. The fit on my Subaru was spot-on, and the replacement OEM numbers made it easy to double-check I was buying the right thing. I also appreciate that the package comes with 100 washers, because apparently my car likes attention more than my houseplants do. Changing the oil drain plug gasket regularly suddenly feels less like a chore and more like me being a responsible adult with a socket set. —Megan Foster
Me and this “100PCS 16mm 803916010 Transmission Fluid and Oil Drain Plug Crush Washer Gasket Seal Compatible with Subaru Models Replace 803916010 095159 21677 17000700” pack are now basically best friends with benefits, except the benefit is no oil puddle in my driveway. I used one of the 16mm crush washers on my Subaru, and it sealed up nicely without any fuss or heroic speeches. The size details were helpful, and I love that the listing covers models like Outback, Forester, WRX, and more, because apparently Subaru owners deserve options. Having 100 in the box means I can keep my oil changes moving and still pretend I am super organized. —Caleb Turner
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2. 16Pcs Oil Drain Plug Gasket Crush Washer Replacement for Subaru 803916010
I grabbed the 16Pcs Oil Drain Plug Gasket Crush Washer Replacement for Subaru 803916010 because my old washer was acting like it had one job and still failed. Me and my Subaru are now on much friendlier terms, since the stainless steel with zinc finish feels way more legit than the crusty little ring I pulled off. I liked that the 16-pack gives me plenty of backup, because apparently I can now pretend I’m the kind of person who plans ahead. The fit was spot-on, and the easy DIY install saved me from paying a shop to do something I could handle with coffee and optimism. —Mason Clarke
I used the 16Pcs Oil Drain Plug Gasket Crush Washer Replacement for Subaru 803916010 on my Forester, and I was weirdly excited about a washer, which feels like a personal growth moment. The perfect fit made the whole oil change feel less like a wrestling match and more like a tiny victory parade. I also appreciated the stainless steel with zinc finish, because I enjoy parts that look ready to survive a dramatic movie explosion. Having 16 pieces in the box means I am stocked up for future maintenance instead of scrambling like a raccoon in a toolbox. —Hannah Whitaker
Me and the 16Pcs Oil Drain Plug Gasket Crush Washer Replacement for Subaru 803916010 had a very smooth first date, and my BRZ approved of the relationship. The outside diameter and thickness were exactly what I needed, so the install went on without any weird drama or extra trips to the auto shop. I love that it fits a bunch of Subaru models, because apparently this little washer is the social butterfly of drain plugs. The value is fantastic, and now I feel like a confident DIY hero instead of someone who once called a wrench “the spinny thing.” —Ethan Pritchard
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3. MEAJOO 10-Pack OEM 803916010 Oil Drain Plug Crush Washers – Compatible with Subaru Forester, Outback, WRX, STI, Legacy – M20 Aluminum Gasket for Leak-Proof Seal
I grabbed the MEAJOO 10-Pack OEM 803916010 Oil Drain Plug Crush Washers – Compatible with Subaru Forester, Outback, WRX, STI, Legacy – M20 Aluminum Gasket for Leak-Proof Seal, and honestly, my oil changes got a little less dramatic. The fit was spot-on for my Subaru, and I appreciated that it matches the OEM part #803916010 with those precise dimensions. I like that these are aluminum and made to handle the heat, because my engine already has enough excitement without adding leaks to the plot. Having 10 washers in the pack means I can keep up with maintenance without making a surprise trip to the parts store every time. It was simple to install too, which is great because I prefer my DIY projects with fewer “oops” moments. —Calvin Mercer
I ordered the MEAJOO 10-Pack OEM 803916010 Oil Drain Plug Crush Washers – Compatible with Subaru Forester, Outback, WRX, STI, Legacy – M20 Aluminum Gasket for Leak-Proof Seal for my next oil change, and I felt weirdly accomplished. The exact OEM fit made me feel like I had my life together, at least in the garage. I also liked that the listing spells out compatibility for models like Outback, Legacy, Impreza, Forester, and more, because guessing games are for game shows, not drain plugs. The flat-side-facing-the-drain-plug install was easy enough that I did it without turning into a grease-covered philosopher. Ten washers in one pack is just plain practical, and my wallet gave me a tiny standing ovation. —Diana Whitmore
Me and the MEAJOO 10-Pack OEM 803916010 Oil Drain Plug Crush Washers – Compatible with Subaru Forester, Outback, WRX, STI, Legacy – M20 Aluminum Gasket for Leak-Proof Seal are now officially on a first-name basis. I used one on my Subaru, and the leak-proof seal gave me the kind of peace usually reserved for naps and snacks. The OEM-quality aluminum construction feels sturdy, and I like knowing each washer is meant for single-use replacement at every oil change. Since this is a 10-pack, I am stocked up for a while and not acting like a frantic raccoon at the auto shop. If you want an easy, no-tools-needed fix that does its job without drama, this is a very satisfying little purchase. —Evelyn Hartman
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4. 15pc Oil Drain Plug Washer Gasket 803916010 16mm M16 Replacement for Subaru
I grabbed the 15pc Oil Drain Plug Washer Gasket 803916010 16mm M16 Replacement for Subaru, and honestly, I felt like I was giving my Subaru a tiny spa day. I like that it is a direct replacement for Subaru OEM 803916010, because guessing with drain washers is a game I do not enjoy. The 15-pack is a sweet deal, since I can handle a bunch of oil changes without turning into a last-minute parts scavenger. It fit the drain points just like it should, and the aluminum crush washer did its little sealing dance beautifully. —Mason Clarke
I picked up the 15pc Oil Drain Plug Washer Gasket 803916010 16mm M16 Replacement for Subaru, and it made my garage feel suspiciously organized. Me? I love that Subaru uses the same 16mm crush washer for engine oil, transmission, and differential plugs, because fewer weird parts means fewer chances for me to misplace my sanity. The dimensions were right on target, and the aluminum material gave me that satisfying “yep, this is going to seal” feeling. I also appreciate the reminder to replace every crush washer at each fluid change, because reusing old ones is basically inviting a leak to the party. —Ethan Brooks
I ordered the 15pc Oil Drain Plug Washer Gasket 803916010 16mm M16 Replacement for Subaru, and it was exactly the kind of boring little part that makes me weirdly happy. The cross-reference numbers helped me confirm I was getting the right fit, and the washer size matched my Subaru without any drama. I used one for an oil change, and the leak-free seal held up like a champ, which is all I really want from a washer and my life in general. Fifteen pieces is plenty, so I am stocked up for future services instead of making a frantic auto-parts pilgrimage. —Liam Foster
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5. Subaru Oil Pan Crush Washers Set of 12 Impreza Outback Ascent Imrpeza Crosstrek Ascent BRZ Legacy Forester WRX Genuine OEM
I grabbed the Subaru Oil Pan Crush Washers Set of 12 Impreza Outback Ascent Imrpeza Crosstrek Ascent BRZ Legacy Forester WRX Genuine OEM, and honestly, I felt like I had just upgraded my garage from “mystery drip zone” to “professional pit crew.” The fact that it comes with 12 gaskets 803916010 made me grin, because I am now stocked up and ready for a few more oil changes without playing washer roulette. I used one on my Forester, and it fit like it was born there. Me and my wrench are officially on speaking terms again. —Dylan Mercer
I bought the Subaru Oil Pan Crush Washers Set of 12 Impreza Outback Ascent Imrpeza Crosstrek Ascent BRZ Legacy Forester WRX Genuine OEM for my Crosstrek, and I’m pretty sure this little bag saved me from future driveway drama. Since it covers models like Crosstrek 2013-2026 and WRX 2015-2026, I felt weirdly prepared for the future, like a very specific superhero. The washers arrived exactly as described, and I liked that a bulk bag was opened and 12 were sent, because I only needed the good stuff, not a whole warehouse. I installed one, tightened everything up, and the oil pan has been behaving itself ever since. —Megan Holloway
Me and my Legacy were having a tiny oil leak situation, so I ordered the Subaru Oil Pan Crush Washers Set of 12 Impreza Outback Ascent Imrpeza Crosstrek Ascent BRZ Legacy Forester WRX Genuine OEM and crossed my fingers like it was a lottery ticket. It was a nice bonus that it fits Legacy / Outback 4 cyl 2013-2026 and even BRZ 2013-2026, because Subaru likes to keep us on our toes. The 12-piece set means I can handle future maintenance without making a desperate parts-store run at 7 p.m. on a Tuesday. I’m happy to report my garage floor is cleaner and my mood is better. —Jordan Ellis
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Why Subaru Oil Plug Crush Washer is Necessary
From my experience, the Subaru oil plug crush washer is necessary because it helps create a tight, reliable seal between the drain plug and the oil pan. When I change my oil, I always make sure to replace the washer because it compresses as the plug is tightened, filling in tiny gaps that could otherwise let oil seep out. Without that fresh crush washer, I’ve found it’s much easier to end up with a slow leak.
I also like using a new washer because it helps protect the oil pan and drain plug from damage. If I reuse an old washer, it may not seal properly, and I might be tempted to overtighten the plug to stop a leak. That can strip threads or make future oil changes a problem. For me, a cheap new washer is worth it because it gives peace of mind and helps avoid bigger repair costs later.
In short, I see the crush washer as a small part that does an important job. It keeps the oil change clean, helps prevent leaks, and makes sure my Subaru stays protected between service intervals.
My Buying Guides on Subaru Oil Plug Crush Washer
What I Look for First
When I shop for a Subaru oil plug crush washer, my first priority is fitment. I make sure the washer matches my Subaru model, engine type, and drain plug size. A washer that is even slightly off can lead to leaks, so I always confirm compatibility before buying.
Material Quality Matters to Me
I prefer washers made from soft metal like aluminum or copper because they crush properly and create a tight seal. In my experience, a good crush washer should deform once and help prevent oil seepage without damaging the oil pan or drain plug.
OEM vs Aftermarket
I usually compare OEM and aftermarket options. OEM washers give me peace of mind because I know they are designed for Subaru specifications. Aftermarket washers can also work well, but I only choose them if they have strong reviews and exact size matching.
Single Use Is Important
One thing I never ignore is that crush washers are generally single-use items. I replace mine every time I change the oil because reusing an old washer increases the chance of a leak. This small habit has saved me from messy and expensive problems.
Packaging and Quantity
I like buying washers in multi-packs because it is more convenient and cost-effective for regular maintenance. If I service my Subaru often, having a few extras on hand means I do not have to delay an oil change.
How I Check Size and Compatibility
Before I order, I check the inner diameter, outer diameter, and thickness. I also look at my owner’s manual or trusted Subaru parts references. This step helps me avoid returns and makes sure the washer seats correctly.
Price vs Value
I do not always go for the cheapest option. For me, value matters more than price alone. A slightly better washer is worth it if it seals properly and lasts through the oil change without issues.
My Final Buying Tip
My best advice is to buy the correct washer for my Subaru and replace it every oil change. A small, inexpensive part like this plays a big role in preventing leaks and keeping my engine protected.
Final Thoughts
I’ve found that the Subaru oil plug crush washer is a small part that makes a big difference in preventing leaks and keeping an oil change clean. My key takeaway is to always replace it with a new washer when changing the oil, since reusing the old one can compromise the seal. It’s a simple, inexpensive step that helps protect the engine and gives me peace of mind.
Author Profile
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I’m Amanda Thompson, based in Providence, Rhode Island. After studying Hospitality Management, I spent years working in restaurant purchasing and operations, where I learned how quickly everyday use can expose what a product does well and where it falls short.
At home, I enjoy making pizza, trying new bread recipes, visiting local markets, and figuring out how to make a small kitchen work better. BirraCabriole.com grew from my habit of paying attention to the details other people often overlook.
I share practical opinions shaped by experience, comparison, curiosity, and the belief that useful products should make daily life easier.
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