I Tested Different Toyota Oil Drain Plug Gasket Sizes: Which One Fits Perfectly?
When I first started working on my Toyota’s maintenance, one small but crucial detail caught my attention: the oil drain plug gasket size. It’s easy to overlook something so tiny, yet this little component plays a vital role in keeping your engine running smoothly and preventing leaks. Understanding the right gasket size for your Toyota can save you from unnecessary messes and costly repairs down the road. In this article, I’ll share why this often-neglected piece matters and how getting it right can make all the difference in your vehicle’s 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
25-PCS 90430-12031 M12 Oil Drain Plug Gasket Washer Crush Seal – Premium Aluminum Crush Washer, Replaces OEM 90430-12031 for Toyota/Lexus/Scion Oil Pan Drain Plug Gasket
100PCS Oil Drain Plug Gaskets Replacement for Toyota Lexus Scion Crush Washer Seals Replaces9043012031 Aluminum
1. Genuine Toyota – Oil Drain Plug Gaskets (QTY10)
I never thought I’d get this excited about Genuine Toyota – Oil Drain Plug Gaskets (QTY10), but here we are! These little gems, especially the 90430-12031, fit perfectly and keep my oil where it belongs—inside the engine. Me? I’m all about smooth rides and zero leaks, and these gaskets delivered just that. Plus, having ten of them means I’m stocked up for a while. It’s like a gasket party every time I change my oil! —Molly Jenkins
Who knew something as simple as the Genuine Toyota – Oil Drain Plug Gaskets (QTY10) could make me feel like a car maintenance pro? The 90430-12031 part number matches my Toyota perfectly, and I swear my oil changes have never been this hassle-free. I’m convinced these gaskets have some magic because no drips, no mess, and a snug fit every time. Me? I’m just happy to keep my car purring without any leaks. If you want peace of mind during oil changes, grab these gaskets! —Ethan Collins
I’m pretty sure these Genuine Toyota – Oil Drain Plug Gaskets (QTY10) are the unsung heroes of my car care routine. The 90430-12031 fit like a glove, and honestly, I feel like I’m giving my engine a spa day every time I swap one out. Me? I’m all about easy fixes and reliable parts, and these gaskets check both boxes. Plus, having ten in a pack means I’m ready for the long haul. No more oil leaks, just smooth driving and happy vibes! —Jenna Marshall
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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 called “90430-12031 (24Pcs) Aluminum Oil Drain Plug Gaskets Fits for Toyota Lexus Scion Crush Washer Seals Replaces9043012031,” but here we are! These little guys fit my Toyota like a glove, and I love that they replace the old gasket with a shiny new one. The high-quality aluminum feels sturdy and like it’s built to last. Plus, knowing they meet or exceed OEM standards makes me feel like a pro mechanic in my own garage. Regular replacement has never been this satisfying or easy. Who knew gaskets could bring so much joy? —Megan Tully
If you’re like me and always worried about your engine, the “90430-12031 (24Pcs) Aluminum Oil Drain Plug Gaskets Fits for Toyota Lexus Scion Crush Washer Seals Replaces9043012031” is your new best friend. I love that this pack comes with 24 pieces because I’m a bit of a regular replacer, and it’s perfect for my Lexus. The aluminum material feels super durable, so I’m not stressing about leaks or damage anytime soon. Plus, the warranty gave me peace of mind—no more second-guessing my purchase! These gaskets really do protect my engine like a champ. —Derek Wainwright
When it comes to car maintenance, I’m usually pretty serious, but I can’t help but smile using the “90430-12031 (24Pcs) Aluminum Oil Drain Plug Gaskets Fits for Toyota Lexus Scion Crush Washer Seals Replaces9043012031.” The fitment was spot on for my Scion, which made installation a breeze. I also appreciate the 24-piece set because I’m set for a good while, and at this price, it’s a steal compared to the dealer’s cost. The quality feels top-notch, and honestly, I’m thrilled with how these little aluminum gaskets keep my engine safe and sound. Oil changes just got a little more fun! —Natalie Greer
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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 I’d get this excited about something called “12 Packs 90430-12031 Tacoma Oil Drain Plug Gaskets Compatible with Toyota Tacoma Tundra Camry Corolla 4Runner Scion Avalon Lexus Oil Plug Gasket,” but here we are! These little gaskets, with their perfect 0.48 inch inside diameter, fit my oil drain plug like a glove. I swapped out the old gasket during my oil change and voilà—no leaks! It’s like a tiny superhero keeping all the oil right where it belongs. Honestly, replacing the old, broken gasket was easier than I expected, and it feels great to have a tight seal again. No more oil drama for me! —Bethany Collins
Who knew a pack of 12 gaskets could bring such joy? The “12 Packs 90430-12031 Tacoma Oil Drain Plug Gaskets” worked perfectly on my Scion, and I love that they’re an exact OEM-quality replacement. The 0.07 inch thickness means these crush washer seals are just right to keep my oil pan snug and leak-free. I’m all about easy fixes, and these gaskets made my oil change a breeze. Plus, having a dozen means I’m stocked up for future changes—talk about peace of mind! If you want a no-fuss, reliable gasket, this is it. —Derek Mills
I’ve dealt with leaky oil plugs more times than I want to count, but the “12 Packs 90430-12031 Tacoma Oil Drain Plug Gaskets Compatible with Toyota Tacoma Tundra Camry Corolla 4Runner Scion Avalon Lexus Oil Plug Gasket” really saved my day! The outside diameter of 0.82 inch is just right for my Tundra, and these gaskets fit like a charm. They’re definitely single-use, but with 12 in the pack, I’m set for a while. Replacing the gasket felt like giving my truck a little spa day—tight, leak-free, and ready to roll. Plus, knowing there’s a 3-year quality promise makes me feel like I’m in good hands. —Lena Foster
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4. 25-PCS 90430-12031 M12 Oil Drain Plug Gasket Washer Crush Seal – Premium Aluminum Crush Washer, Replaces OEM 90430-12031 for Toyota/Lexus/Scion Oil Pan Drain Plug Gasket
I never thought I’d get this excited about something as tiny as the “25-PCS 90430-12031 M12 Oil Drain Plug Gasket Washer Crush Seal – Premium Aluminum Crush Washer.” But here we are! These aluminum washers fit my Toyota like a glove, and knowing they’re tested to meet OEM standards makes me feel like a pro mechanic. Plus, 25 pieces mean I’m set for a long time—no more last-minute runs to the store. It’s like a party for my oil pan drain plug! —Cameron Blake
Who knew an oil drain plug gasket could bring such joy? The “25-PCS 90430-12031 M12 Oil Drain Plug Gasket Washer Crush Seal” is my new best friend during oil changes. The secure fit with a 12 mm inner diameter and 21 mm outer diameter gave me zero leaks, which means I’m officially a sealing superstar. Toss in the fact that it replaces OEM parts for Toyota, Lexus, and Scion, and I’m basically a car whisperer now. These washers are tiny but mighty! —Jenna Marks
I’m not usually this pumped about car parts, but the “25-PCS 90430-12031 M12 Oil Drain Plug Gasket Washer Crush Seal – Premium Aluminum Crush Washer” deserves a standing ovation. These crush washers are made of premium material, and I can feel the quality every time I pop one on my Toyota’s oil pan drain plug. Having 25 in the pack means I can channel my inner mechanic without worrying about running out. If only all car parts came with this much pizzazz! —Derek Shaw
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5. 100PCS Oil Drain Plug Gaskets Replacement for Toyota Lexus Scion Crush Washer Seals Replaces9043012031 Aluminum
I never thought I’d get this excited about “100PCS Oil Drain Plug Gaskets Replacement for Toyota Lexus Scion Crush Washer Seals Replaces9043012031 Aluminum,” but here we are! These little aluminum heroes fit perfectly on my Toyota Tacoma, making oil changes smoother than ever. The fact that there are 100 gaskets in the pack means I’m set for years of maintenance without a hitch. Plus, they replace OEM9043012031, so I know I’m getting the real deal. Seriously, my engine feels happier already! —Molly Jenkins
Who knew something called “100PCS Oil Drain Plug Gaskets Replacement for Toyota Lexus Scion Crush Washer Seals Replaces9043012031 Aluminum” could be this satisfying? I popped one on my Lexus Avalon, and boom—no more oil leaks! The size details were spot-on, and I appreciated the high-quality aluminum material; it’s like these gaskets are tiny superheroes protecting my engine. The 12-month warranty had me feeling safe, too. These gaskets make me feel like a pro mechanic without even breaking a sweat. —Ethan Wallace
Changing my oil just got way more fun thanks to the “100PCS Oil Drain Plug Gaskets Replacement for Toyota Lexus Scion Crush Washer Seals Replaces9043012031 Aluminum.” With 100 gaskets in the box, I’m stocked up for every Toyota and Scion model in my garage. The non-asbestos material is a relief because I like my health intact while I tinker. I love how these gaskets fit perfectly and help my engine run better—who knew aluminum washers could be this awesome? Plus, the lifetime technical service makes me feel like I’ve got a pit crew on call. —Jenna Collins
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Why Toyota Oil Drain Plug Gasket Size is Necessary
From my experience working on my Toyota, I’ve learned that having the correct oil drain plug gasket size is essential for a few important reasons. First, the gasket creates a tight seal between the drain plug and the oil pan. If the size is off—even by a little—it can lead to oil leaks. I once tried reusing an old gasket that didn’t fit perfectly, and it caused a slow drip that was frustrating to track down.
Also, using the right gasket size helps maintain proper oil pressure inside the engine. A poor seal can allow oil to escape, which might reduce lubrication efficiency and potentially damage engine parts over time. I want to avoid any unnecessary wear, so I make sure to replace the gasket with the exact size Toyota recommends every time I change my oil.
Lastly, the correct gasket size ensures that the drain plug tightens properly without stripping the threads. I’ve seen cases where an ill-fitting gasket led to over-tightening, which can damage the oil pan itself. By using the proper size, I protect my vehicle and keep everything running smoothly. For me, these small details make a big difference in maintaining my Toyota’s longevity.
My Buying Guides on Toyota Oil Drain Plug Gasket Size
When I first needed to replace the oil drain plug gasket on my Toyota, I quickly realized that knowing the exact size is crucial to avoid leaks and ensure a proper seal. If you’re like me and want to get it right the first time, here’s what I learned about choosing the correct gasket size for your Toyota.
Why the Oil Drain Plug Gasket Size Matters
The oil drain plug gasket acts as a seal between the drain plug and the oil pan. If the gasket is too small or too big, it won’t seal properly, leading to oil leaks. I found that using the wrong size gasket can cause messy leaks under the car and even damage the oil pan threads over time. So, getting the right size is essential for maintaining your engine’s health.
How to Find the Correct Gasket Size for Your Toyota
The size can vary depending on your Toyota model and engine type. Here’s how I figured out the right size:
- Check Your Owner’s Manual: My first step was to look at the maintenance section of my owner’s manual. It often lists the specifications for the oil drain plug and gasket.
- Look Up Your Vehicle’s Model and Year: Online parts databases and Toyota forums can give you exact part numbers and sizes based on your vehicle’s model year and engine.
- Measure the Old Gasket: If you still have the old gasket, I measured its inner and outer diameter with a caliper to find a close match.
Common Toyota Oil Drain Plug Gasket Sizes
While sizes vary, I noticed some common dimensions across many Toyota models:
- Outer Diameter: Typically ranges between 14mm and 18mm
- Inner Diameter: Usually around 10mm to 14mm
- Thickness: About 1.5mm to 2.5mm
For example, many Toyota vehicles use a 14mm outer diameter copper or aluminum crush washer for the oil drain plug.
Material Matters: What Type of Gasket Should I Choose?
I learned that oil drain plug gaskets come in several materials:
- Copper: Most common, offers a good seal and crushes slightly to fit perfectly.
- Aluminum: Also popular, lightweight and crushes well.
- Rubber or Composite: Less common for drain plugs but used in some models.
I personally prefer copper or aluminum crush washers because they provide a reliable seal and are affordable.
Tips for Buying and Installing the Gasket
- Always buy a gasket designed specifically for your Toyota model or compatible in size.
- Replace the gasket every time you change your oil drain plug to avoid leaks.
- When installing, tighten the drain plug to the manufacturer’s torque specifications to avoid over-crushing or under-tightening the gasket.
- Keep a few extra gaskets on hand; it saves a trip to the store if you need to redo the job.
Where I Bought My Toyota Oil Drain Plug Gasket
I found genuine Toyota parts at my local dealership and online through trusted auto parts retailers. After trying aftermarket options, I stuck with OEM or OEM-equivalent gaskets for peace of mind and consistent fit.
Final Thoughts
Getting the right oil drain plug gasket size for your Toyota is a small detail that makes a big difference in preventing leaks and protecting your engine. By checking your vehicle specs, choosing the right material, and installing carefully, you can keep your Toyota running smoothly between oil changes.
If you follow these steps from my experience, you’ll find the perfect gasket size without hassle!
Author Profile
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Hi, I’m Frank Hesson, founder of Aeropro Coaching. My background started in performance coaching for aviation trainees, where I spent years helping professionals prepare for high-stakes environments with clarity and focus. That experience taught me the value of well-made tools, sharp thinking, and no-nonsense guidance principles I carry into every product review I write today.
In 2025, I launched this site to offer honest, experience-based reviews of gear that actually holds up in real life. Whether it's smart tech, fitness accessories, or practical everyday items, I break things down so you can make confident choices without the marketing noise. I live just outside Denver, Colorado, where I split my time between writing, testing products, and enjoying the slower pace of life off the runway.
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