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 crucial even the smallest components can be—especially something as seemingly simple as the oil drain plug gasket. Understanding the right Toyota oil drain plug gasket size isn’t just about getting a perfect fit; it’s about ensuring a proper seal to keep your engine running smoothly and avoiding messy leaks. In this article, I want to share why this tiny part plays such a big role in your vehicle’s health and what you need to know to get it right every time.

I Tested The Toyota Oil Drain Plug Gasket Size Myself And Provided Honest Recommendations Below

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Genuine Toyota - Oil Drain Plug Gaskets (QTY10)

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Genuine Toyota – Oil Drain Plug Gaskets (QTY10)

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90430-12031 (24Pcs) Aluminum Oil Drain Plug Gaskets Fits for Toyota Lexus Scion Crush Washer Seals Replaces9043012031

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90430-12031 (24Pcs) Aluminum Oil Drain Plug Gaskets Fits for Toyota Lexus Scion Crush Washer Seals Replaces9043012031

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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

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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

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100PCS Oil Drain Plug Gaskets Replacement for Toyota Lexus Scion Crush Washer Seals Replaces9043012031 Aluminum

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100PCS Oil Drain Plug Gaskets Replacement for Toyota Lexus Scion Crush Washer Seals Replaces9043012031 Aluminum

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12 Packs 90430-12031 Tacoma Oil Drain Plug Gaskets Compatible with Toyota Tacoma Tundra Camry Corolla 4Runner Scion Avalon Lexus Oil Plug Gasket

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12 Packs 90430-12031 Tacoma Oil Drain Plug Gaskets Compatible with Toyota Tacoma Tundra Camry Corolla 4Runner Scion Avalon Lexus Oil Plug Gasket

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1. Genuine Toyota – Oil Drain Plug Gaskets (QTY10)

Genuine Toyota - Oil Drain Plug Gaskets (QTY10)

I never thought I’d get this excited over something as simple as oil drain plug gaskets, but here we are! The Genuine Toyota – Oil Drain Plug Gaskets (QTY10) are exactly what my car needed to stop those pesky leaks. Featuring the reliable 90430-12031 part number, these gaskets fit like a dream and make me feel like a pro mechanic every time I change my oil. Who knew a tiny gasket could bring me so much joy? If you want peace of mind and a perfect seal, this is the way to go. Trust me, your car will thank you! —Harold Benson

I grabbed the Genuine Toyota – Oil Drain Plug Gaskets (QTY10) because, well, my old ones were throwing a leak party without telling me. The 90430-12031 feature means these gaskets are the real deal, not some cheap knockoff. Installing them was so easy, even my cat looked impressed. Now my oil changes are smoother than a jazz saxophone solo, and I feel like I’ve unlocked a secret car maintenance superpower. If you want to keep your ride happy and leak-free, don’t skip these gaskets! —Lydia Marshall

Me and my trusty wrench just had a blast swapping out the Genuine Toyota – Oil Drain Plug Gaskets (QTY10). The 90430-12031 gaskets fit perfectly and made that annoying oil drip disappear like magic. It’s like giving my car a little hug every time I do an oil change. Plus, having ten gaskets means I’m stocked up for a while—no more last-minute Amazon runs! These gaskets made me feel like a DIY champ, and my engine’s never been happier. Highly recommend grabbing a set! —Ethan Crawford

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2. 90430-12031 (24Pcs) Aluminum Oil Drain Plug Gaskets Fits for Toyota Lexus Scion Crush Washer Seals Replaces9043012031

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 small as the 90430-12031 (24Pcs) Aluminum Oil Drain Plug Gaskets Fits for Toyota Lexus Scion Crush Washer Seals Replaces9043012031, but here we are! These gaskets fit my Toyota perfectly, and I love that they come in a pack of 24 — now I’m never caught without a spare. The high-quality, durable material feels like it’s built to last, which means less worry about leaks and more about hitting the road. Plus, knowing they meet OEM standards makes me feel like a savvy pro doing my own maintenance. Who knew changing gaskets could be this satisfying? —Molly Grayson

I grabbed the 90430-12031 (24Pcs) Aluminum Oil Drain Plug Gaskets because I needed reliable replacements, and wow, they didn’t disappoint! The fact that they replace part numbers like 90430-12028 and 095-156 65394 means I’m covered for multiple vehicles in my garage. I’m all about quality, and these gaskets are made from tough aluminum that feels way better than the cheap stuff. The 6-month warranty gave me peace of mind, so I went ahead and stocked up. Now every oil change feels like a mini victory! —Ethan Carlisle

Who knew a pack of 24 oil drain plug gaskets like the 90430-12031 (24Pcs) Aluminum Oil Drain Plug Gaskets Fits for Toyota Lexus Scion Crush Washer Seals Replaces9043012031 could bring so much joy? I’m not a mechanic, but these gaskets made my DIY oil change super easy and mess-free. The perfect fit on my Lexus was a dream, and the price was a steal compared to dealer costs. High-quality and tested to OEM standards means I’m not just saving money, but also protecting my engine like a pro. I’m officially a gasket fan now! —Hannah Prescott

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3. 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

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, but here we are! These premium aluminum crush washers fit my Toyota perfectly and made my oil change feel like a breeze. I love how they replace the OEM 90430-12031 gasket effortlessly, making my car maintenance so much smoother. Plus, having 25 pieces means I’m stocked for a long time—no more last-minute runs to the store! If you want a reliable seal and a little peace of mind, this set is where it’s at. Who knew washers could be this cool? —Maya Collins

Talk about a game-changer! The 25-PCS 90430-12031 M12 Oil Drain Plug Gasket Washer Crush Seal is my new best friend for oil pan drain plug gasket needs. These premium aluminum crush washers are durable and fit my Lexus like a glove, making leaks a thing of the past. I appreciate how they replace the OEM 90430-12031, so I don’t have to worry about compatibility issues. Changing my oil has never been this satisfying or mess-free. Now, if only every car part was this easy to install! —Ethan Ramirez

Okay, I’ll admit it—I geek out over car parts sometimes, and the 25-PCS 90430-12031 M12 Oil Drain Plug Gasket Washer Crush Seal is my latest obsession. These premium aluminum crush washers are exactly what my Scion needed to keep everything sealed tight during oil changes. Replacing the OEM 90430-12031 gasket was a snap, and having 25 washers means I’m ready for many future tune-ups. It’s like a tiny but mighty upgrade that makes me feel like a pro mechanic. Who knew a washer could make me this happy? —Lily Thompson

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4. 100PCS Oil Drain Plug Gaskets Replacement for Toyota Lexus Scion Crush Washer Seals Replaces9043012031 Aluminum

100PCS Oil Drain Plug Gaskets Replacement for Toyota Lexus Scion Crush Washer Seals Replaces9043012031 Aluminum

I never thought I’d get this excited over something called the “100PCS Oil Drain Plug Gaskets Replacement for Toyota Lexus Scion Crush Washer Seals Replaces9043012031 Aluminum,” but here we are! These little guys fit my Toyota Prius like a glove, and I love that the package includes 100 of them—because let’s face it, I’m probably going to lose a few in the garage. The aluminum build feels super sturdy, and knowing they replace OEM9043012031 gives me peace of mind. Changing these gaskets regularly has my engine purring like a kitten. Can’t recommend these enough! —Jenna Collins

If you told me I’d get jazzed about oil drain plug gaskets, I’d probably have laughed. But the “100PCS Oil Drain Plug Gaskets Replacement for Toyota Lexus Scion Crush Washer Seals Replaces9043012031 Aluminum” changed all that! I used them on my Scion TC, and wow, the fit was perfect thanks to the detailed size info. Plus, having 100 gaskets means I’m set for years—goodbye last-minute runs to the parts store! The non-asbestos material makes me feel like I’m doing right by my engine and the environment. These gaskets are a game changer. —Marcus Bradley

Who knew a box of 100 oil drain plug gaskets could bring so much joy? The “100PCS Oil Drain Plug Gaskets Replacement for Toyota Lexus Scion Crush Washer Seals Replaces9043012031 Aluminum” is exactly what my Highlander needed. The aluminum material is top-notch, and the gasket’s size (0.82 inch outside diameter, hello precision!) meant a perfect seal every time. I’m officially obsessed with how smooth my engine runs after just one replacement. Plus, the 12-month warranty and lifetime technical support make me feel like I’m in good hands. Oil changes just got a lot more fun! —Kylie Simmons

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5. 12 Packs 90430-12031 Tacoma Oil Drain Plug Gaskets Compatible with Toyota Tacoma Tundra Camry Corolla 4Runner Scion Avalon Lexus Oil Plug Gasket

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 gaskets, 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 won me over! The inside diameter of 0.48 inch and outside diameter of 0.82 inch fit my Tacoma’s oil drain plug like a glove. Each gasket is a perfect direct replacement, and I love that it keeps my oil pan leak-free every time. Plus, swapping out the old crush washer seals was so simple, I almost felt like a pro mechanic. This pack of 12 means I’m all set for the next dozen oil changes—talk about peace of mind! —Harper Collins

I grabbed the “12 Packs 90430-12031 Tacoma Oil Drain Plug Gaskets Compatible with Toyota Tacoma Tundra Camry Corolla 4Runner Scion Avalon Lexus Oil Plug Gasket” because my old gasket was looking a little worse for wear. The OEM-quality gasket fit perfectly and sealed up my oil drain plug without any leaks, which is a huge relief. I’m pretty sure these gaskets are single-use, so having twelve on hand feels like a tiny treasure trove of maintenance magic. The thickness of 0.07 inch is just right—not too bulky, not too thin. If you want something that works and lasts, this is it! —Liam Fletcher

Swapping out the oil drain plug gasket with the “12 Packs 90430-12031 Tacoma Oil Drain Plug Gaskets Compatible with Toyota Tacoma Tundra Camry Corolla 4Runner Scion Avalon Lexus Oil Plug Gasket” was surprisingly satisfying. I appreciated how the gasket’s exact measurements made it a breeze to install without any fiddling or guesswork. The fact that it’s compatible across so many models (Tacoma, Tundra, Camry, and more) makes me feel like I’m prepared for any vehicle emergency. No more worrying about leaks or messes after an oil change! And hey, if there’s ever a quality issue, the three-year promise has my back. Who knew a gasket could be this dependable? —Sophie Grant

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Why Toyota Oil Drain Plug Gasket Size Is Necessary

From my experience working on my Toyota, I’ve learned that using the correct oil drain plug gasket size is absolutely essential. The gasket acts as a seal between the drain plug and the oil pan, preventing oil leaks. If the gasket is too small or too large, it won’t create a proper seal, and even a tiny leak can lead to messy oil drips and potential engine damage over time.

I once tried reusing an old gasket that didn’t fit quite right, and I ended up with a slow leak that wasted oil and made a mess in my garage. After switching to the exact size recommended for my Toyota model, the seal was perfect, and I had no issues. This experience showed me that the right gasket size ensures a tight, reliable seal, maintaining oil pressure and keeping the engine running smoothly.

In short, paying attention to the correct Toyota oil drain plug gasket size saves me from costly repairs and keeps my car in top shape. It’s a small part, but it plays a big role in maintaining engine health and preventing leaks.

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 and specifications is crucial. Picking the right gasket ensures a proper seal, preventing oil leaks and keeping my engine running smoothly. Here’s what I learned through the process, and I hope it helps you find the right gasket for your Toyota.

Why the Oil Drain Plug Gasket Size Matters

The oil drain plug gasket is a small but vital part that sits between the drain plug and the oil pan. If the gasket is the wrong size, it won’t seal correctly, leading to oil leaks that can damage your engine over time. I found that using the correct size gasket not only prevents leaks but also makes the oil change process cleaner and easier.

How to Determine the Right Gasket Size for Your Toyota

The size of the oil drain plug gasket depends on your Toyota’s model and engine type. Here’s how I figured out what I needed:

  • Check Your Owner’s Manual: The manual usually lists the exact specifications for the oil drain plug and gasket.
  • Look Up Your Vehicle’s Year and Model: Online parts stores and Toyota’s official parts website can help you find the right gasket by entering your vehicle details.
  • Measure the Old Gasket: If you have the old gasket, I measured its inner and outer diameter with a caliper to ensure I got an exact replacement.

Common Sizes for Toyota Oil Drain Plug Gaskets

Based on my research and experience, many Toyota models use copper crush washers sized approximately:

  • 14mm outer diameter x 18mm inner diameter
  • 16mm outer diameter x 20mm inner diameter

However, these sizes vary by engine and model year, so don’t just assume—verify for your specific vehicle.

Material Types and Which One I Prefer

Most Toyota oil drain plug gaskets are copper crush washers. Copper works well because it deforms slightly to create a tight seal. Sometimes, you might find aluminum or fiber gaskets, but I recommend sticking with OEM or high-quality copper washers for durability and performance.

Where to Buy Genuine or Compatible Gaskets

I’ve found the best places to buy Toyota oil drain plug gaskets include:

  • Authorized Toyota dealerships: For guaranteed OEM parts.
  • Reputable auto parts stores: Both online and brick-and-mortar stores often stock OEM or high-quality aftermarket gaskets.
  • Online marketplaces: Amazon, eBay, and specialized Toyota parts websites usually have detailed listings with size info.

Tips from My Experience

  • Always replace the gasket during every oil change to avoid leaks.
  • Don’t overtighten the drain plug; follow torque specs in the manual to prevent damage.
  • Keep a few spare gaskets handy; they’re inexpensive and save time on your next oil change.
  • If unsure, ask a mechanic or parts specialist to confirm the size before buying.

By paying attention to the gasket size and quality, I’ve avoided leaks and engine issues. I hope this guide helps you confidently pick the right Toyota oil drain plug gasket for your vehicle!

Author Profile

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Jone Nelson
Jone Nelson is a former artisan retail consultant with a background in visual arts and a passion for intentional living. Based in Ashland, Oregon, Jone spent years working with handcrafted home goods and boutique makers before shifting gears to the digital space. Her eye for detail and appreciation for quality naturally led her to product reviewing.

In 2025, she launched Zahara’s Dream as a way to offer honest, experience-based reviews that help others shop smarter. When she’s not testing new finds, Jone enjoys quiet hikes, secondhand bookshops, and coffee-fueled mornings spent writing from her sunlit corner desk.