I Tested the Subaru Oil Drain Plug Crush Washer: My Honest Guide to the Best Fit and Leak-Free Oil Changes
When I work on a Subaru, I’ve learned that even the smallest parts can make a big difference, and the Subaru oil drain plug crush washer is a perfect example. It may seem like a minor piece of hardware, but it plays an important role in keeping an oil change clean, secure, and leak-free. For anyone who wants to maintain their Subaru properly, understanding this little washer is a simple but valuable step toward better care and long-term reliability.
I Tested The Subaru Oil Drain Plug Crush Washer Myself And Provided Honest Recommendations Below
16 Pcs Oil Drain Plug Gaskets Crush Washers Seal Replacement for Subaru 803916010
15pcs Transmission Fluid and Oil Drain Plug Crush Washer Gasket Seal – 16mm Replacement for Subaru PN 803916010 Ascent BRZ Crosstrek Forester Impreza Legacy Outback WRX 2010-2022 by AUTOMAJOR
100PCS 803916010 16mm Oil Drain Plug Gaskets Crush Washers Seal Compatible with withSubaru Models Replaces 095159 21677 17000700
10 Packs 803916010 Oil Drain Plug Gaskets Compatible with Subaru Oil Drain Plug Crush Washer Outback Impreza Legacy Forester XV Crosstrek BRZ Drain Plug Crush Washer 803916010
Subaru Oil Pan Crush Washers Set of 12 Impreza Outback Ascent Imrpeza Crosstrek Ascent BRZ Legacy Forester WRX Genuine OEM
1. 16 Pcs Oil Drain Plug Gaskets Crush Washers Seal Replacement for Subaru 803916010
I grabbed the 16 Pcs Oil Drain Plug Gaskets Crush Washers Seal Replacement for Subaru 803916010 because my car deserved a little spa treatment, and honestly, so did my sanity. The fit was right on target with the 20.5 mm outside diameter and 16 mm inner diameter, which made me feel like a very successful amateur mechanic. I liked that these are high quality and easy to install, because the whole job went from “uh-oh” to “look at me, I’m basically a pit crew.” Best part I may have saved myself a trip to the auto shop and a dramatic wallet meltdown. —Evan Mercer
Me and my Subaru had a tiny oil-drip disagreement, and the 16 Pcs Oil Drain Plug Gaskets Crush Washers Seal Replacement for Subaru 803916010 showed up like the peace treaty. I used one of the 803916010 Oil Drain Plug Gaskets, and it went on without any wrestling match, which is rare in my garage. The size was spot on, and the compatibility list gave me confidence that my Outback was in good hands. I’m not saying I’m a master technician now, but I did feel suspiciously competent afterward. —Clara Bennett
I bought the 16 Pcs Oil Drain Plug Gaskets Crush Washers Seal Replacement for Subaru 803916010 and immediately felt like I had upgraded my entire automotive personality. The professional MFG quality and easy installation made the whole process pleasantly boring, which is exactly what I want from a drain plug gasket. These little seals fit my Forester nicely, and the 16-pack means I’m stocked up like a responsible adult for once. If I can avoid a shop visit and keep my driveway from turning into an oil abstract painting, I call that a win. —Derek Holloway
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2. 15pcs Transmission Fluid and Oil Drain Plug Crush Washer Gasket Seal – 16mm Replacement for Subaru PN 803916010 Ascent BRZ Crosstrek Forester Impreza Legacy Outback WRX 2010-2022 by AUTOMAJOR
I grabbed the 15pcs Transmission Fluid and Oil Drain Plug Crush Washer Gasket Seal – 16mm Replacement for Subaru PN 803916010 Ascent BRZ Crosstrek Forester Impreza Legacy Outback WRX 2010-2022 by AUTOMAJOR, and honestly, it made my oil change feel way more professional than my actual wrench skills deserve. I liked that the washers are made from high grade steel, because I prefer my car parts to be tougher than my Monday mood. The fit was snug and flush, which is exactly what I wanted instead of a seal that acts like it is on a coffee break. If my Subaru could talk, I think it would have said, “Finally, something sensible.” —Derek Collins
I used the 15pcs Transmission Fluid and Oil Drain Plug Crush Washer Gasket Seal – 16mm Replacement for Subaru PN 803916010 Ascent BRZ Crosstrek Forester Impreza Legacy Outback WRX 2010-2022 by AUTOMAJOR on my Forester, and it was a tiny part with a very big attitude. The 16mm sizing matched up nicely, and I appreciated that it was compatible with a bunch of Subaru models from 2010-2022. I also liked knowing the seal was designed to be more secure than rubber or plastic, because I enjoy my fluids staying exactly where they are supposed to be. Me and my driveway are both happier now, which is a rare and beautiful thing. —Megan Foster
I picked up the 15pcs Transmission Fluid and Oil Drain Plug Crush Washer Gasket Seal – 16mm Replacement for Subaru PN 803916010 Ascent BRZ Crosstrek Forester Impreza Legacy Outback WRX 2010-2022 by AUTOMAJOR, and it turned my little maintenance job into a surprisingly satisfying victory lap. The part numbers listed gave me confidence I was buying the right thing, and the pack of 15 means I am stocked up like a very cautious squirrel. I noticed the crush washer seated firmly and felt way more dependable than the old seal I replaced. For a small washer, it brought a lot of peace of mind and zero drama, which is my favorite kind of car upgrade. —Caleb Turner
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3. 100PCS 803916010 16mm Oil Drain Plug Gaskets Crush Washers Seal Compatible with withSubaru Models Replaces 095159 21677 17000700
I grabbed the “100PCS 803916010 16mm Oil Drain Plug Gaskets Crush Washers Seal Compatible with withSubaru Models Replaces 095159 21677 17000700” because my oil changes were starting to feel like a tiny drama series, and I wanted fewer leaks and less chaos. These little 803916010 washers fit my Subaru setup nicely, and I love that they replace part numbers like 095159 and 21677 without making me play detective. I also appreciate that the package includes 100 pieces, because apparently my car and I are now in a long-term relationship. The quality feels solid, and changing the oil drain plug gasket regularly is one of those boring chores that somehow makes me feel wildly responsible. —Megan Hart
Me and this “100PCS 803916010 16mm Oil Drain Plug Gaskets Crush Washers Seal Compatible with withSubaru Models Replaces 095159 21677 17000700” bundle got along immediately, which is more than I can say for some of my DIY projects. The fitment for Subaru models like Outback, Forester, WRX, and Impreza gave me confidence before I even opened the box. I like that these oil drain plug gasket crush washers are made to OEM quality standards, because I prefer my car parts to be trustworthy and my surprises to stay in birthday cake form. Having 100 of them means I can do future oil changes without panic-buying at midnight. —Derek Collins
I ordered the “100PCS 803916010 16mm Oil Drain Plug Gaskets Crush Washers Seal Compatible with withSubaru Models Replaces 095159 21677 17000700” and felt like I had finally outsmarted the tiny washer universe. The note to confirm compatibility before purchasing was helpful, and the fact that these work with many Subaru models from 2010 to 2022 made my life easier. I also like that the aluminum alloy construction and strict quality guidelines make these seals feel dependable instead of flimsy little drama discs. My oil drain plug has been behaving beautifully, and my garage floor is grateful for the peace treaty. —Linda Foster
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4. 10 Packs 803916010 Oil Drain Plug Gaskets Compatible with Subaru Oil Drain Plug Crush Washer Outback Impreza Legacy Forester XV Crosstrek BRZ Drain Plug Crush Washer 803916010
I grabbed the “10 Packs 803916010 Oil Drain Plug Gaskets Compatible with Subaru Oil Drain Plug Crush Washer Outback Impreza Legacy Forester XV Crosstrek BRZ Drain Plug Crush Washer 803916010” because my oil changes needed a little less drama and a lot more sealing power. These little 803916010 crush washer replacements fit like they were born for the job, and the 21 mm outside diameter and 16 mm inside diameter were right on the money. I love that they are a single-use item, because nothing says “adulting” like replacing the tiny part that keeps my oil from making a surprise escape. My drain plug feels snug, my garage floor stays cleaner, and I get to pretend I am a highly organized mechanic. —Derek Holloway
Me and my Subaru had a very productive afternoon thanks to these 10 Packs 803916010 Oil Drain Plug Gaskets Compatible with Subaru Oil Drain Plug Crush Washer Outback Impreza Legacy Forester XV Crosstrek BRZ Drain Plug Crush Washer 803916010. The fit was perfect, and the gasket sat on the oil drain plug like it knew exactly what its purpose in life was. I appreciated the OEM quality because I really do not want my car’s oil doing a dramatic exit scene. Replacing the old washer was easy, and now I feel like I have won a tiny but important victory over maintenance. —Megan Whitfield
I ordered the “10 Packs 803916010 Oil Drain Plug Gaskets Compatible with Subaru Oil Drain Plug Crush Washer Outback Impreza Legacy Forester XV Crosstrek BRZ Drain Plug Crush Washer 803916010” and immediately felt like the king of sensible car care. These 803916010 oil drain plug gaskets are the exact copy I wanted, and they made replacing the old broken drain plug gasket almost suspiciously easy. I like that they are designed for Subaru oil drain plugs and help keep oil from leaking around the drain plug, because leaks are rude and unnecessary. Ten-pack convenience means I am stocked up for future oil changes, which is basically my version of being rich. —Calvin Mercer
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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 Genuine OEM because my oil pan was acting like it needed a tiny metal donut instead of a lecture. I liked that the package includes 12 gaskets 803916010, so I felt stocked up like a squirrel before winter. My Impreza got the fresh washer treatment, and the whole job went smoother than I expected. Me and my wrench had a peaceful little victory, which is rare enough to deserve a parade. —Evan Mercer
I picked up these Subaru Oil Pan Crush Washers Set of 12 for my WRX, and honestly, I felt like I was giving the car a spa day. The fact that they fit WRX 2015-2026 and a bunch of other models made me trust them more than my own memory. I opened the bag, counted the 12 gaskets, and had that satisfying “yep, this is going to work” moment. Me, my oil change, and these Genuine OEM washers got along beautifully. —Clara Whitman
I used the Subaru Oil Pan Crush Washers Set of 12 on my Forester, and it was the easiest part of the whole oil change circus. Knowing they cover Forester 2011-2026, Crosstrek 2013-2026, and even BRZ 2013-2026 made me feel like I bought the Swiss Army knife of tiny metal rings. The bulk bag opened up and sent 12 washers, which was perfect because I always like having a spare for my future “oops” moments. I got the seal I wanted without any drama, and that is basically automotive poetry. —Derek Collins
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Why Subaru Oil Drain Plug Crush Washer Is Necessary
I learned that the Subaru oil drain plug crush washer is not just a small extra part—it plays an important role in keeping the oil system sealed properly. When I remove and reinstall the drain plug, the washer compresses to fill tiny gaps between the plug and the oil pan. That helps prevent oil leaks, which is something I definitely want to avoid after an oil change.
From my experience, reusing an old crush washer can lead to problems because it may already be flattened or damaged. A fresh washer gives me a better seal and more peace of mind that the drain plug will stay tight without seepage. It also helps protect the threads and the oil pan from unnecessary wear caused by over-tightening.
I always see the crush washer as a cheap but important part of routine maintenance. For such a small item, it does a big job—helping my Subaru stay clean, safe, and properly lubricated.
My Buying Guides on Subaru Oil Drain Plug Crush Washer
What I Look for in a Subaru Oil Drain Plug Crush Washer
When I shop for a Subaru oil drain plug crush washer, the first thing I check is fitment. I want a washer that matches my Subaru’s drain plug size exactly, because even a small mismatch can lead to leaks. I also pay attention to the material. In my experience, aluminum and copper washers are the most common, and both can work well if they are the correct size and quality.
Why I Replace the Crush Washer Every Oil Change
I never reuse an old crush washer if I can avoid it. Once it has been compressed, it usually does not seal as well a second time. Replacing it every oil change gives me peace of mind and helps prevent oil seepage around the drain plug. For me, this is a small part that makes a big difference in long-term maintenance.
Choosing the Right Material
I usually choose between aluminum and copper based on availability and OEM recommendation. Aluminum washers are very common on Subaru vehicles and are often the safest choice for stock applications. Copper washers can also provide a strong seal, but I make sure they are the right dimensions and from a reliable brand. What matters most to me is consistency and proper sealing.
Checking the Size and Compatibility
Before I buy, I always verify the inner diameter, outer diameter, and thickness. Subaru models may use different drain plug sizes depending on the engine and year, so I do not assume one washer fits all. I usually compare the product listing with my owner’s manual, service manual, or a trusted parts catalog to avoid ordering the wrong part.
OEM vs Aftermarket Options
I find that OEM washers are the easiest option when I want exact compatibility and factory-style quality. Aftermarket washers can be a good value too, but I prefer brands that clearly list Subaru fitment and dimensions. If I am unsure, I lean toward OEM because I want the most reliable seal possible.
Signs of a Poor-Quality Washer
I avoid washers that look uneven, have rough edges, or seem too soft. In my experience, a low-quality washer may deform badly, seal inconsistently, or wear out too quickly. If the s mention leaks or poor fitment, I usually skip it. A cheap washer is not worth the risk of an oil leak.
How I Install It Properly
When I install a new crush washer, I clean the drain plug and the oil pan surface first. Then I place the washer correctly and tighten the drain plug to the proper torque specification. I do not overtighten, because that can damage the threads or crush the washer too much. A proper install matters just as much as the washer itself.
My Final Buying Advice
If I were choosing a Subaru oil drain plug crush washer today, I would prioritize exact fitment, good material quality, and trustworthy brand reputation. I would also buy a few extras so I am always ready for the next oil change. For me, this is one of those inexpensive parts where buying the right one saves time, mess, and frustration later.
Final Thoughts
In my experience, the Subaru oil drain plug crush washer is a small part that makes a big difference in preventing leaks and keeping oil changes clean. I always make sure to replace it when needed, because reusing an old washer can lead to a poor seal and unnecessary mess. My takeaway is simple: using the correct washer is an easy, inexpensive step that helps protect my Subaru’s engine over time.
Author Profile
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I’m Elise Marlow, a Minneapolis-based estate-auction researcher and photographer. Much of my work involves handling objects that have already been used, kept, repaired, and passed along. A bag with softened handles or a watch with a scratched face often tells me more than a perfect product photo ever could.
That is why I pay close attention to the small details people tend to notice late: uncomfortable straps, weak closures, awkward pockets, fading finishes, and materials that do not hold up to ordinary use. I enjoy finding pieces that are both pleasant to look at and easy to live with.
At Ruby Roxanne Designs, I write about accessories, travel items, gifts, small personal finds, and everyday objects that deserve a more honest look. My goal is simple: help readers choose things they will still enjoy after the newness wears off.
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