A dried-out or brittle gasket is the most common reason a pressure cooker loses pressure. Because Mirro has produced many different models over the decades, finding the right replacement comes down to matching your specific model number and manufacturing era. Getting this right ensures your cooker seals properly, holding the steady pressure needed for safe canning and cooking.
List of Mirro Pressure Cooker Replacement Gasket
This guide breaks down which Mirro gasket matches your specific equipment. Whether you are maintaining a vintage canner or a standard stovetop cooker, identifying the correct part number is the most important step for a reliable seal.
| Product |
Best For |
Why |
Link |
| S-9882 Genuine Gasket for Mirro Pressure Canners F |
Best for post-1983 Mirro canners (12-22 quart) |
The standard S-9882 gasket for most large-capacity Mirro canners manufactured from 1983 onwards. |
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| Replacement Mirro Pressure Canner Gasket S-9882 fo |
Best for budget-friendly post-1983 Mirro canners |
A cost-effective S-9882 alternative for 12-22 quart models, designed for a straightforward, drop-in fit. |
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| S-9892 Replacement Gasket for Mirro & Mirro Matic |
Best for Mirro Matic 4-8 quart cookers |
The premium S-9892 silicone gasket, specifically for smaller Mirro Matic pressure cookers. |
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| Replacement Mirro Pressure Cooker Gasket Mirro Pre |
Best for 4-8 quart Mirro cookers (universal fit) |
A durable S-9892 replacement option for 4-8 quart Mirro cookers that handles high heat effectively. |
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| S-3440 Mirro Gasket for Pressure Canners Fits M-31 |
Best for pre-1983 Mirro canners (12-22 quart) |
The S-3440 gasket for vintage Mirro canners produced prior to January 1983. |
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| S-9896 Replacement Gasket for Mirro and Mirro Mati |
Best for Mirro Matic 6 quart models M-0392/M-0394 |
The S-9896 replacement for specific 6-quart Mirro Matic models. |
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| Mirro 92508 Pressure Cooker Gasket for Model 92180 |
Best for Mirro 92180/92180A 8-quart cookers |
A precise white S-92508 gasket tailored for 8-quart Mirro 92180 and 92180A cookers. |
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| （2Pack）S-9882 Replacement Mirro Pressure Canner Ga |
Best for bulk buyers of post-1983 Mirro canners |
A two-pack of S-9882 gaskets, practical for those who run their 12-22 quart canners frequently. |
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Best for Post-1983 Mirro Canner Owners
For Mirro canners built after January 1983, like the M-312, M-406, and M-512, the S-9882 is the standard replacement. A fresh, flexible gasket here is essential to prevent steam from escaping during long processing times.
⭐ TOP PICK
S-9882 Genuine Gasket for Mirro Pressure Canners Fits M-312,
This genuine S-9882 is built for the post-1983 production run. It keeps the seal airtight for models like the M-312 and M-416, using food-grade materials that won’t degrade under heavy pressure.
✦ Fits 12-22 quart Mirro canners✦ Genuine OEM part✦ High-temperature resistance
💡 Pro Tip: Look for your model number stamped on the bottom of the canner base before you buy.
🔄 RUNNER-UP
Replacement Mirro Pressure Canner Gasket S-9882 for Mirro Pr
This S-9882 replacement mirrors the original specifications and is a reliable, wallet-friendly alternative for legacy models.
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Best for Mirro Matic 4-8 Quart Cookers
Smaller Mirro Matic units, such as the M-0296 and M-0536, require the S-9892 gasket. Because these cookers rely on a smaller surface area for their seal, the gasket needs to be particularly pliable.
⭐ TOP PICK
S-9892 Replacement Gasket for Mirro & Mirro Matic Pressure C
The S-9892 is the go-to for 4-8 quart Mirro Matic cookers. It is crafted from food-grade silicone, which holds up better over time than older rubber or neoprene versions.
✦ Fits M-0296, M-0536, M-0596✦ Food-grade silicone construction✦ Authorized OEM replacement
💡 Pro Tip: If the gasket feels stiff upon arrival, a quick soak in warm water can make it much easier to seat into the lid channel.
🔄 RUNNER-UP
Replacement Mirro Pressure Cooker Gasket Mirro Pressure Cook
A solid replacement for the S-9892 that maintains a consistent seal across various 4-8 quart Mirro Matic iterations.
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Best for Vintage Mirro Canners (Pre-1983)
If your canner dates back to before 1983, you need the S-3440 gasket. These older units have different rim dimensions than modern versions, so standard gaskets won’t seat correctly.
⭐ TOP PICK
S-3440 Mirro Gasket for Pressure Canners Fits M-312, M-312-3
The S-3440 is specifically sized for pre-1983 Mirro canner lids. It provides the necessary thickness to compensate for the design of those older heavy-duty models.
✦ Fits pre-1983 Mirro canners✦ Original OEM part✦ High-temperature resistance
💡 Pro Tip: Check the fractional date stamp on the bottom of your pot, if the year is ’82 or earlier, this is the part you need.
🔄 RUNNER-UP
S-9882 Genuine Gasket for Mirro Pressure Canners Fits M-312,
If you find your canner is actually a newer model, the S-9882 is the standard alternative for post-1983 equipment.
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Best for Mirro 92180/92180A 8-Quart Cookers
The Mirro 92180 and 92180A 8-quart cookers use the distinct S-92508 gasket. Due to the specific lid geometry of these 8-quart units, a generic gasket often results in leaks.
⭐ TOP PICK
Mirro 92508 Pressure Cooker Gasket for Model 92180 and 92180
This S-92508 is engineered specifically for the 92180 and 92180A. It replicates the original white design and provides the exact circumference needed for these specific lids.
✦ Fits Mirro 92180/92180A✦ White gasket for easy identification✦ Precise fit for 8-quart models
💡 Pro Tip: Take a moment to wipe out the lid groove with a damp cloth before installing; old food debris often prevents a perfect seal.
🔄 RUNNER-UP
Replacement Mirro Pressure Cooker Gasket Mirro Pressure Cook
Some 8-quart models may also be compatible with the S-9892; double-check your model number if you aren’t using the 92180 series.
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Best for Bulk Buyers of Mirro Gaskets
If you are running a canning business or preserve heavily during the harvest season, the S-9882 two-pack is a smart way to stay prepared.
⭐ TOP PICK
（2Pack）S-9882 Replacement Mirro Pressure Canner Gasket, Pres
These S-9882 gaskets are made from durable, dishwasher-safe silicone, making them easy to maintain for high-frequency users.
✦ Two gaskets per pack✦ Fits 12-22 quart models✦ Dishwasher-safe
💡 Pro Tip: Keep one in the original packaging; putting a date on the bag helps you track how long it has been since your last replacement.
🔄 RUNNER-UP
Replacement Mirro Pressure Canner Gasket S-9882 for Mirro Pr
Single S-9882 gaskets are available if you only need one, matching the exact specs of the multi-pack.
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Best for Mirro Matic 6 Quart Models M-0392/M-0394
The S-9896 is the specific fit for 6-quart Mirro Matic cookers like the M-0392 and M-0394. These cookers have a very specific seal track that requires this exact gasket shape.
⭐ TOP PICK
S-9896 Replacement Gasket for Mirro and Mirro Matic Pressure
The S-9896 is designed to handle the specific pressure thresholds of 6-quart Mirro Matic units, ensuring the lid locks securely.
✦ Fits M-0392 and M-0394✦ Genuine Mirro Matic part✦ Durable construction
💡 Pro Tip: Run your finger along the rim of the lid; any nicks or dents there can cause even a brand-new gasket to leak.
🔄 RUNNER-UP
S-9892 Replacement Gasket for Mirro & Mirro Matic Pressure C
If your 6-quart model is a different series, the S-9892 may be the required part instead.
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🎯 Which Scenario Are You?
Selecting the right gasket comes down to identifying your cooker‘s model number and age. Use these points to narrow down your search.
❓ What is your primary concern?
Safety is the priority. A gasket that is even slightly off-size won’t hold pressure. Always prioritize the specific part number associated with your model.
❓ What is your budget level?
OEM parts are generally the gold standard for fit, but high-quality silicone aftermarket parts often outperform the original neoprene versions used decades ago.
❓ How often will you use it?
If you use your cooker regularly, buy a backup. Gaskets are essentially consumables; having a spare ensures you aren’t stuck mid-recipe when the current one finally gives out.
Frequently Asked Questions
How do I know which Mirro pressure cooker replacement gasket fits my model?
Look for the model number and the fractional date stamp on the bottom of your unit. Generally, pre-1983 models use the S-3440, while post-1983 models use the S-9882.
Can I use a universal gasket for my Mirro pressure cooker?
Avoid universal gaskets. Mirro pressure cookers have specific rim shapes, and a ‘one-size-fits-all’ gasket will almost certainly fail to maintain a safe pressure seal.
How often should I replace my Mirro pressure cooker gasket?
If you are a frequent user, replace it every 12-18 months. Even if it looks fine, the material loses its elasticity over time, which can lead to inefficient cooking.
Are food-grade silicone gaskets better than neoprene for Mirro cookers?
Silicone is superior to the old neoprene gaskets. It is more heat-resistant, doesn’t dry out as quickly, and provides a more consistent seal under pressure.
What should I do if my Mirro pressure cooker gasket doesn’t fit properly?
Make sure you’ve cleaned the lid’s gasket groove thoroughly. If it’s still tight, a quick soak in warm water can increase the material’s flexibility, making it easier to seat.
