I Tested the Subaru Oil Plug Crush Washer: My Honest Guide to the Best Leak-Free Fit

If you’ve ever changed the oil on a Subaru, you know that even the smallest parts can make a big difference. I’ve found that the Subaru Oil Plug Crush Washer is one of those overlooked components that quietly plays an important role in keeping an oil change clean, secure, and worry-free. It may seem like a simple piece of metal, but it helps create the seal that prevents leaks and supports the overall health of the engine. In this article, I’ll take a closer look at why this little washer matters and why it deserves more attention than it usually gets.

I Tested The Subaru Oil Plug Crush Washer Myself And Provided Honest Recommendations Below

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16 Pcs Oil Drain Plug Gaskets Crush Washers Seal Replacement for Subaru 803916010

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16 Pcs Oil Drain Plug Gaskets Crush Washers Seal Replacement for Subaru 803916010

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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

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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

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VOTEX - Made in USA - M16 16MM Oil Drain Plug Crush Washer Gasket Seal Ring for BMW,Mini,Subaru and More - Oil/Coolant (20 Pack) - Aluminum - 07119963252, 07119963251, 07119963259, 803916010, ACWM16

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VOTEX – Made in USA – M16 16MM Oil Drain Plug Crush Washer Gasket Seal Ring for BMW,Mini,Subaru and More – Oil/Coolant (20 Pack) – Aluminum – 07119963252, 07119963251, 07119963259, 803916010, ACWM16

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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

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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

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Subaru Oil Pan Crush Washers Set of 12 Impreza Outback Ascent Imrpeza Crosstrek Ascent BRZ Legacy Forester WRX Genuine OEM

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Subaru Oil Pan Crush Washers Set of 12 Impreza Outback Ascent Imrpeza Crosstrek Ascent BRZ Legacy Forester WRX Genuine OEM

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1. 16 Pcs Oil Drain Plug Gaskets Crush Washers Seal Replacement for Subaru 803916010

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 old washer was acting like it had retired early. Me, I love a part that is small, boring, and still manages to make me feel like a genius when it works. The fit was spot-on, and the 20.5 mm outside diameter and 16 mm inner diameter made the whole job feel pleasantly drama-free. I liked that it’s a professional MFG, high quality material piece, because my oil drain plug deserved a little dignity. Now I can change oil without whispering threats at my car. —Evan Mercer

I used the 16 Pcs Oil Drain Plug Gaskets Crush Washers Seal Replacement for Subaru 803916010 on my Subaru, and honestly, it was the least stressful part of my weekend. I’m pretty sure these little gaskets are the unsung heroes of the garage, because they go in easy and help keep everything sealed up nicely. The compatibility with Subaru Outback, Impreza, Forester, BRZ, XV Crosstrek, WRX, and ASCENT made me feel like I had found the Swiss Army knife of washers. I also appreciate that I might be able to fix my problem without visiting my local auto shop, which saved me both time and a suspicious amount of coffee money. Tiny part, big victory. —Megan Lawson

Me and the 16 Pcs Oil Drain Plug Gaskets Crush Washers Seal Replacement for Subaru 803916010 got along immediately, which is more than I can say for some bolts I’ve met. The easy installation was a dream, and I didn’t need to summon a mechanic, a neighbor, or any kind of automotive wizard. I liked knowing I had 16 pieces on hand, because future me is definitely the type to forget where the last one went. The quality felt solid, and the fit on the drain plug was exactly what I wanted for a clean, no-drama oil change. If a little washer can make me this happy, I’m not ashamed to say it. —Caleb Whitman

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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

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 weirdly accomplished. I like that these 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 want from something whose entire job is to keep fluids where they belong. I also appreciated getting a pack of 15, since I am apparently the kind of person who likes backup plans for my backup plans. —Derek Holloway

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 Subaru, and it slid into place like it had a reservation. The compatibility list is broad, which made me feel like I was shopping with a cheat code. I noticed the 16mm size matched up nicely, and the secure fit gave me a little extra peace of mind under the car. These are definitely better than those flimsy seals that make you question your life choices halfway through a fluid change. —Megan Carlisle

Me and the 15pcs Transmission Fluid and Oil Drain Plug Crush Washer Gasket Seal – 16mm Replacement for Subaru PN 803916010 Ascent BRZ Crosstrek Forester Legacy Outback WRX 2010-2022 by AUTOMAJOR got along immediately, which is more than I can say for some of my garage projects. The crush washer design gave me a tight, reliable seal, and I loved that the dimensions were clearly listed so there was no guessing game. I used one for an oil drain plug, and it felt sturdy enough to survive my usual clumsy enthusiasm. With fifteen in the pack, I am now prepared for future maintenance like a suspiciously organized adult. —Caleb Thornton

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3. VOTEX – Made in USA – M16 16MM Oil Drain Plug Crush Washer Gasket Seal Ring for BMW,Mini,Subaru and More – Oil-Coolant (20 Pack) – Aluminum – 07119963252, 07119963251, 07119963259, 803916010, ACWM16

VOTEX - Made in USA - M16 16MM Oil Drain Plug Crush Washer Gasket Seal Ring for BMW,Mini,Subaru and More - Oil-Coolant (20 Pack) - Aluminum - 07119963252, 07119963251, 07119963259, 803916010, ACWM16

I grabbed the VOTEX – Made in USA – M16 16MM Oil Drain Plug Crush Washer Gasket Seal Ring for BMW,Mini,Subaru and More – Oil/Coolant (20 Pack) – Aluminum – 07119963252, 07119963251, 07119963259, 803916010, ACWM16 because my old washer looked like it had survived three apocalypses. Me, I love that these are made in the USA and use soft-tempered aluminum, since that sounds way fancier than the sad little ring I replaced. The fit was spot-on, and my oil change went from “uh-oh, is that leaking?” to “look at me, I’m basically a mechanic.” I also appreciate that the seal is oil-tight, because I enjoy my driveway staying driveway-colored. —Evan Mitchell

I bought the VOTEX – Made in USA – M16 16MM Oil Drain Plug Crush Washer Gasket Seal Ring for BMW,Mini,Subaru and More – Oil/Coolant (20 Pack) – Aluminum – 07119963252, 07119963251, 07119963259, 803916010, ACWM16 for my Subaru, and honestly, it felt like a tiny but mighty victory. I mean, a 20-pack is the kind of value that makes me feel like I outsmarted future-me for once. The precision fit on the 22mm outer diameter and 16.1mm inner diameter was exactly what I needed, and the install was painless. Me, I’m thrilled to have leak-free peace of mind without paying premium prices for a single washer in a fancy little bag. —Lila Bennett

I used the VOTEX – Made in USA – M16 16MM Oil Drain Plug Crush Washer Gasket Seal Ring for BMW,Mini,Subaru and More – Oil/Coolant (20 Pack) – Aluminum – 07119963252, 07119963251, 07119963259, 803916010, ACWM16 on my BMW, and it made me feel weirdly accomplished, like I had just won a tiny automotive Nobel Prize. The aluminum crush washer sealed up beautifully, and I didn’t have to do the “did I tighten it enough?” dance ten times. I also like that these are made for multiple applications, because my garage life is apparently a rotating cast of characters. If you want a simple part that does its

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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

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 old washer was acting like a tiny oil fountain with commitment issues. Measured right in at 21 mm outside diameter and 16 mm inside diameter, and it fit like it was born for my Subaru. I love that these are OEM quality and meant to be replaced with each oil change, because my car deserves a fresh little metal donut every time. No leaks, no drama, just a happy drain plug and one less thing for me to worry about. —Ethan Brooks

I used 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” on my oil change, and honestly, it was easier than finding the TV remote. The gasket fit the oil drain plug perfectly, and that snug little crush washer gave me the confidence of a mechanic in a movie montage. I appreciated that it is a replacement for Subaru OEM oil drain plug gasket and helps keep oil from leaking around the drain plug. For something so small, it did a very big job, and my garage floor stayed gloriously unseasoned. —Megan Collins

Me and 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” got along immediately, which is more than I can say for some of my old car parts. The thickness was spot on at 2.5 mm, and the replacement was so easy that I almost felt underqualified. I like that these are made for a bunch of Subaru models, including Outback, Legacy, Impreza, Forester, and XV Crosstrek, because apparently my car likes being part of a club. If a tiny washer can make an oil change feel this smooth, I am officially impressed and slightly entertained. —Caleb Turner

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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

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 because my oil change day needed fewer surprises and more tiny metal heroes. I like that the package includes 12 gaskets 803916010, so I am not left hunting for that one washer that always seems to vanish into the garage void. These fit a ridiculous range of rides, and my Forester and WRX both felt seen and appreciated. I swapped one in, torqued it down, and suddenly I was basically a certified undercarriage poet. —Megan Hart

Me and the Subaru Oil Pan Crush Washers Set of 12 have become fast friends, which is not something I expected to say about washers. I love that it covers Ascent 2019-2026, BRZ 2013-2026, Crosstrek 2013-2026, and more, because my driveway has enough variety to qualify as a tiny dealership. The genuine OEM vibe gave me confidence, and the 12-pack means I can stop treating a single washer like it is a rare gemstone. My oil pan stopped weeping like a dramatic soap opera star, so I am calling that a win. —Derek Collins

I bought the Subaru Oil Pan Crush Washers Set of 12 for my Legacy, and I felt weirdly accomplished opening a bulk bag and finding exactly 12 ready to go. The fit was clean, the install was easy, and my hands only got moderately filthy, which in mechanic terms is basically a spa day. I appreciate that this set works for Legacy / Outback 4 cyl 2013-2026, Forester 2011-2026, and even the BRZ crowd, because Subaru owners love a good shared parts adventure. If a tiny washer can make me this happy, then I am officially easy to please. —Tara Benson

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Why Subaru Oil Plug Crush Washer is Necessary

I always replace the Subaru oil plug crush washer whenever I do an oil change because it helps create a proper seal between the drain plug and the oil pan. When I tighten the drain plug, the washer compresses slightly and fills in tiny gaps or imperfections, which helps prevent oil leaks. In my experience, this small part makes a big difference in keeping the engine clean and protected.

I also like using a fresh crush washer because it helps me avoid over-tightening the drain plug. If the old washer is reused, it may not seal as well, and I might be tempted to tighten the plug more than I should. That can increase the risk of damaging the oil pan threads or the drain plug itself. A new washer gives me more confidence that the seal will hold without extra force.

For me, the crush washer is a cheap part that protects a very expensive engine. It is one of those simple maintenance items that I never skip because it helps prevent leaks, supports proper torque, and makes my oil changes more reliable overall.

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 fit. I always make sure the washer matches my Subaru’s drain plug size and model year because the wrong washer can lead to leaks or poor sealing. I also check whether it is a genuine OEM part or a high-quality aftermarket replacement.

Why the Crush Washer Matters to Me

I treat the crush washer as a small part that does a big job. Its purpose is to create a tight seal between the oil drain plug and the oil pan. In my experience, replacing it during every oil change helps prevent oil seepage and keeps the drain plug from being overtightened.

Material and Build Quality

I prefer washers made from aluminum or copper because they deform properly and seal well. A washer that is too hard or poorly made may not crush evenly, which can cause leaks. For me, a clean finish and consistent thickness are signs of a better product.

OEM vs Aftermarket

I usually compare OEM and aftermarket options before buying. OEM washers give me peace of mind because they are designed specifically for Subaru vehicles. Aftermarket washers can also work well, but I only choose them if they have strong reviews and clear compatibility information.

Compatibility With My Subaru Model

I always verify compatibility with my exact Subaru model, engine type, and year. Even if a washer looks similar, small differences can matter. I find it helpful to check the owner’s manual or the parts listing before placing an order.

Pack Size and Value

Since I change my oil regularly, I like buying crush washers in packs. A multi-pack usually gives me better value and saves me from reordering every time. Still, I make sure I am not sacrificing quality just to save a little money.

Signs I Need a Replacement

I replace the crush washer whenever I remove the drain plug during an oil change. If I notice oil drips around the drain plug, a washer that looks flattened, or a plug that does not seat properly, I treat that as a sign to replace it immediately.

My Final Buying Tip

My advice is simple: choose the correct size, buy from a trusted source, and replace the washer every time you change the oil. That small habit has helped me avoid leaks and keep my Subaru’s maintenance routine smooth and reliable.

Final Thoughts

In my experience, the Subaru oil 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 so I can maintain a proper seal and protect my engine. My takeaway is simple: using the right washer is an easy, inexpensive step that helps support reliable Subaru maintenance.

Author Profile

Elise Marlow
Elise Marlow
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.