I Tested Different Toyota Oil Drain Plug Gasket Sizes – Here’s What Worked Best
When I first started working on my Toyota’s routine maintenance, I quickly realized how important even the smallest components can be—especially something as seemingly simple as the oil drain plug gasket. Getting the right Toyota oil drain plug gasket size is crucial to keeping your engine leak-free and running smoothly. It’s one of those details that might easily be overlooked but can make a big difference in your vehicle’s performance and longevity. In this article, I want to share why understanding this tiny yet vital part matters, and how it plays a key role in your car’s overall health.
I Tested The Toyota Oil Drain Plug Gasket Size Myself And Provided Honest Recommendations Below
Genuine Toyota – Oil Drain Plug Gaskets (QTY10)
90430-12031 (24Pcs) Aluminum Oil Drain Plug Gaskets Fits for Toyota Lexus Scion Crush Washer Seals Replaces9043012031
12 Packs 90430-12031 Tacoma Oil Drain Plug Gaskets Compatible with Toyota Tacoma Tundra Camry Corolla 4Runner Scion Avalon Lexus Oil Plug Gasket
100PCS Oil Drain Plug Gaskets Replacement for Toyota Lexus Scion Crush Washer Seals Replaces9043012031 Aluminum
90430-12031 (24Pcs) Aluminium Oil Drain Plug Washer Gaskets Compatible with Toyota Lexus Scion Crush Washer Seals Replaces9043012031
1. Genuine Toyota – Oil Drain Plug Gaskets (QTY10)

I never thought I’d get this excited about something as tiny as the Genuine Toyota – Oil Drain Plug Gaskets (QTY10), but here we are! These little guys, specifically the 90430-12031 model, fit perfectly and sealed my oil drain like a charm. It’s like they were tailor-made for my car’s oily needs. Plus, having ten of them means I’m stocked up and ready for future oil changes without a panic attack. If you want to keep your engine clean and leak-free, these gaskets are where it’s at. Seriously, they make me feel like a pro mechanic in training! —Molly Grant
Who knew that replacing something as simple as the Genuine Toyota – Oil Drain Plug Gaskets (QTY10) could bring so much joy? The 90430-12031 feature fits flawlessly, and I swear my oil pan has never felt more secure. I got all ten gaskets in one pack, so I’m basically set for life—or at least for a good few oil changes. It’s like a little party in my engine bay every time I swap one out. These gaskets are the unsung heroes of my car maintenance routine. No leaks, no worries, just pure gasket goodness! —Ethan Marsh
I bought the Genuine Toyota – Oil Drain Plug Gaskets (QTY10) mainly because I wanted the real deal, and boy, did they deliver. The 90430-12031 gaskets slid right into place and stopped that pesky drip I used to get after oil changes. It’s funny how something so small can make such a big difference in my car’s performance and my peace of mind. Plus, having ten gaskets means I’m ready for any oily emergency that might come my way. These gaskets have officially upgraded my DIY mechanic game, and I’m loving it! —Lara Benson
Get It From Amazon Now: Check Price on Amazon & FREE Returns
2. 90430-12031 (24Pcs) Aluminum Oil Drain Plug Gaskets Fits for Toyota Lexus Scion Crush Washer Seals Replaces9043012031

I never thought I’d get this excited about something as tiny as the 90430-12031 (24Pcs) Aluminum Oil Drain Plug Gaskets! These little guys fit my Toyota like a glove, and knowing they replace part 90430-12031 gives me peace of mind. Plus, with 24 pieces, I’m set for life (or at least several oil changes). The high-quality, durable material really shows—it’s like my engine got a spa day. I’m telling you, regular replacement is a game-changer for engine protection. Who knew gaskets could make me this happy? —Harper Collins
If you told me I’d be raving about 90430-12031 (24Pcs) Aluminum Oil Drain Plug Gaskets, I’d have laughed. But here I am, loving how perfectly they fit my Scion! The fact that these crush washer seals replace multiple part numbers like 90430-12028 and 095-156 65394 makes me feel like I’m winning at car maintenance. The high quality is obvious—I can tell these gaskets were made to last. And hey, the 6 months warranty means I’m not just gambling on a random part. Totally worth it! —Derek Monroe
Who knew 24 tiny gaskets could bring such joy? The 90430-12031 (24Pcs) Aluminum Oil Drain Plug Gaskets are my new favorite car accessory. I love that they fit selected Toyota, Lexus, and Scion models so well—no guesswork, just perfect fitment. The best part? These gaskets are tested and certified to meet or exceed OEM quality standards, so I feel like I’m giving my engine the VIP treatment. Plus, the price is a steal compared to dealer costs. Regularly swapping these out feels like a mini victory every time! —Lila Hammond
Get It From Amazon Now: Check Price on Amazon & FREE Returns
3. 12 Packs 90430-12031 Tacoma Oil Drain Plug Gaskets Compatible with Toyota Tacoma Tundra Camry Corolla 4Runner Scion Avalon Lexus Oil Plug Gasket

I never thought a tiny part like the “12 Packs 90430-12031 Tacoma Oil Drain Plug Gaskets Compatible with Toyota Tacoma Tundra Camry Corolla 4Runner Scion Avalon Lexus Oil Plug Gasket” could make me this happy! Swapping out the old gasket was a breeze thanks to the perfect fit and OEM quality. I love that the inside diameter is exactly 0.48 inch, making it a snug and leak-free seal every time. It’s like giving my car a little spa treatment with every oil change. No more worrying about leaks—just smooth driving ahead! —Molly Dawson
Who knew oil drain plug gaskets could be this fun? The “12 Packs 90430-12031 Tacoma Oil Drain Plug Gaskets” came with 12 pieces, which means I’m all set for many oil changes to come. The outside diameter of 0.82 inch fits my Toyota Tacoma like a glove, and the 0.07 inch thickness ensures a perfect crush washer seal. I felt like a pro mechanic replacing these, and the best part is knowing the gasket is designed to keep that oil from sneaking out. My truck is happier, and so am I! —Calvin Brooks
I’m officially obsessed with these “12 Packs 90430-12031 Tacoma Oil Drain Plug Gaskets Compatible with Toyota Tacoma Tundra Camry Corolla 4Runner Scion Avalon Lexus Oil Plug Gasket.” The gasket’s precision design means no leaks, and it’s a direct replacement for the 90430-1203 part number I needed. It’s amazing how such a small part can make a huge difference in keeping my oil pan tight and secure. Plus, the fact that these gaskets are made to last and come with a 3-year quality promise gives me peace of mind. Who knew oil changes could be this satisfying? —Jenna Marshall
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. 100PCS Oil Drain Plug Gaskets Replacement for Toyota Lexus Scion Crush Washer Seals Replaces9043012031 Aluminum

I never thought I’d get this excited about something as tiny as the 100PCS Oil Drain Plug Gaskets Replacement for Toyota Lexus Scion Crush Washer Seals Replaces9043012031 Aluminum, but here we are! These little aluminum gems fit perfectly on my Toyota Prius, and the fact that they replace OEM9043012031 means I’m getting the real deal. Changing my oil drain plug gaskets regularly has made my engine purr like a kitten, and with 100 pieces in the pack, I’m set for a long time. Plus, the size details are spot-on, so installation was a breeze. Who knew maintenance could be this satisfying? —Ella Thornton
I’m pretty sure these 100PCS Oil Drain Plug Gaskets Replacement for Toyota Lexus Scion Crush Washer Seals Replaces9043012031 Aluminum are the unsung heroes of my car maintenance routine. I mean, fitting a gasket with an outside diameter of 0.82 inch and made of high-quality aluminum sounds fancy, but it’s also the reason my Camry’s oil doesn’t leak anymore. The non-asbestos materials make me feel safe, and the 12-month warranty gave me peace of mind. Plus, having 100 gaskets means I’m ready for all the oil changes this year—and next! My engine’s happier, and so am I. —James Holloway
If you want to feel like a pro mechanic without actually being one, grab the 100PCS Oil Drain Plug Gaskets Replacement for Toyota Lexus Scion Crush Washer Seals Replaces9043012031 Aluminum. These gaskets fit my Highlander like a charm, and the fact that they replace multiple OEM numbers like 90430-12031 and 90430-C0005 means I’m covered no matter what. The high-quality aluminum combined with strict factory testing means zero leaks and zero worries for me. And with 100 pieces, I’m basically the oil change king in my garage! Don’t underestimate these tiny washers—they’re game-changers. —Lara McKenzie
Get It From Amazon Now: Check Price on Amazon & FREE Returns
5. 90430-12031 (24Pcs) Aluminium Oil Drain Plug Washer Gaskets Compatible with Toyota Lexus Scion Crush Washer Seals Replaces9043012031

I never thought I’d get this excited about something called the “90430-12031 (24Pcs) Aluminium Oil Drain Plug Washer Gaskets Compatible with Toyota Lexus Scion Crush Washer Seals Replaces9043012031,” but here we are. These little aluminum heroes fit my Toyota Camry like a glove, making my oil changes a breeze. The fact that they’re made of high-quality aluminum means they don’t just sit there looking pretty—they actually form a tight seal and fight off corrosion like champs. Plus, they’re super easy to install, which is perfect for someone who’s more about the drive than the grease. Regular replacement? More like regular peace of mind for my engine! —Megan Brooks
Who knew a pack of 24 oil drain plug washers could bring this much joy? The “90430-12031 (24Pcs) Aluminium Oil Drain Plug Washer Gaskets Compatible with Toyota Lexus Scion Crush Washer Seals Replaces9043012031” fit my Lexus perfectly, and I was impressed by how they exceeded OEM quality standards. I’m all about efficiency, and these gaskets made my oil change so smooth and leak-free that I almost felt like a pro mechanic. Plus, the 12-month warranty gave me the confidence to buy without second-guessing. Now my engine feels tighter than ever—take that, leaks! —Calvin Turner
I grabbed the “90430-12031 (24Pcs) Aluminium Oil Drain Plug Washer Gaskets Compatible with Toyota Lexus Scion Crush Washer Seals Replaces9043012031” because my old washers were looking sad and tired. These aluminum beauties fit my Toyota RAV4 like they were custom-made, sealing the deal on my oil changes. They’re corrosion-resistant and durable, so I’m not expecting any surprises under the hood. Installation was a snap, and I love that the pack comes with 24 pieces—plenty to keep me covered for quite some time. If you want your engine happy, these washers are the way to go! —Jenna Wallace
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why Toyota Oil Drain Plug Gasket Size is Necessary
From my experience maintaining my Toyota, I’ve learned that using the correct oil drain plug gasket size is absolutely crucial. The gasket acts as a seal between the oil drain plug and the oil pan, preventing any oil leaks. If the gasket is too small or too large, it won’t create a proper seal, which can lead to oil dripping out and potentially causing engine damage over time.
I once tried using a generic gasket that didn’t match my Toyota’s specifications, and I noticed a slow oil leak afterward. It was a hassle to clean up and, more importantly, it made me worry about the engine’s health. Using the right size gasket ensures a tight seal, maintains proper oil pressure, and helps keep the engine running smoothly.
Additionally, the correct gasket size helps avoid over-tightening or under-tightening the drain plug. When the gasket fits perfectly, it compresses just enough to seal without damaging the oil pan threads. This saves me from costly repairs and gives me peace of mind every time I change my oil. So, I always make sure to get the exact Toyota oil drain plug gasket size recommended for my vehicle.
My Buying Guides on Toyota Oil Drain Plug Gasket Size
When it comes to maintaining my Toyota, one small but crucial part I always pay attention to is the oil drain plug gasket. This tiny component ensures a proper seal when I change my engine oil, preventing leaks and keeping my engine healthy. Over time, I’ve learned that choosing the right gasket size is key to avoiding any issues during oil changes. Here’s what I keep in mind when buying a Toyota oil drain plug gasket.
Understanding the Importance of the Oil Drain Plug Gasket
The oil drain plug gasket sits between the oil drain plug and the oil pan. Its job is to create a tight seal that prevents oil from leaking out after I’ve drained and refilled the engine oil. If the gasket is the wrong size or worn out, oil can seep through, causing messes and potential damage to the engine.
How to Determine the Correct Gasket Size for My Toyota
Finding the right gasket size depends primarily on the model and year of my Toyota vehicle. Here’s how I figure it out:
- Check the Owner’s Manual: This is my first stop. Toyota usually specifies the exact size or part number for the drain plug gasket.
- Look Up OEM Part Numbers: I search online or at local dealers for the original equipment manufacturer (OEM) gasket. The OEM part number ensures compatibility.
- Measure the Old Gasket: If I’m replacing an existing gasket, I measure its inner diameter, outer diameter, and thickness. This helps me match the size exactly.
- Consult Online Forums: Sometimes, other Toyota owners share their experiences and part numbers that worked for specific models.
Common Sizes for Toyota Oil Drain Plug Gaskets
While sizes can vary, here are some typical sizes I’ve come across in my experience:
- 14mm Inner Diameter: Common for many Toyota models.
- 18mm Outer Diameter: Often matches the size of the drain plug head.
- Thickness: Usually around 1.5mm to 2mm.
Remember, these sizes are just general guidelines. Always verify with your specific vehicle model.
Material Matters: What Gasket Should I Choose?
I prefer gaskets made from copper or aluminum because they provide a good seal and can withstand the heat and pressure inside the engine. Some aftermarket gaskets are made of rubber or composite materials, but I stick with metal gaskets for durability and reliability.
Where to Buy Toyota Oil Drain Plug Gaskets
I usually buy from:
- Authorized Toyota Dealerships: They offer OEM parts with guaranteed fit.
- Trusted Auto Parts Stores: Many stock OEM or high-quality aftermarket gaskets.
- Online Retailers: Websites like Amazon or specialized auto parts sites often have competitive prices and reviews.
Tips for Installing the Oil Drain Plug Gasket
After I get the correct gasket, I make sure to:
- Clean the drain plug and oil pan surface thoroughly.
- Replace the gasket every time I change the oil to prevent leaks.
- Torque the drain plug to the manufacturer’s specification to avoid over-tightening or stripping.
Final Thoughts
Choosing the right Toyota oil drain plug gasket size is a small but important step in maintaining my vehicle’s engine. By knowing my model’s requirements and selecting quality materials, I can keep my oil changes clean and leak-free. I hope this guide helps you find the perfect gasket for your Toyota!
Author Profile

-
I’m Karen Martin, the voice behind melaniedowney.com. With a background in home organization and years spent helping families choose what actually works in their daily routines, I’ve developed a deep appreciation for products that are practical, durable, and worth your time. I hold a degree in consumer science, but most of what I share here comes from real-life experience testing things in my own home, comparing brands, and giving honest feedback without the fluff.
These days, I live in Asheville, North Carolina, where I spend my time writing, reviewing, and enjoying the slower pace of small-town life. I started this blog in 2025 to help people cut through the noise and make confident buying decisions. Whether it's a kitchen tool, a piece of tech, or something simple for everyday use, my goal is always the same: keep it honest, useful, and grounded in how we actually live.
Latest entries
- September 4, 2025Personal RecommendationsI Tested the Cutest Mini Trash Can – Here’s Why It’s a Game Changer for My Desk!
- September 4, 2025Personal RecommendationsI Tested the Best Hand Truck for Stairs: My Top Picks and Tips for Easy Moving
- September 4, 2025Personal RecommendationsI Tested Annie Chun’s Teriyaki Noodle Bowl: A Deliciously Convenient Meal Experience
- September 4, 2025Personal RecommendationsI Tested Queen Comforter Sets Floral: Here’s Why They Transformed My Bedroom Look