FitMatch

The Crock-Pot CPE310 takes the Crock-Pot Express sealing gasket (part CPE30040) as its sealing ring; Australian sellers list it from A$29.90 as of 31 October 2026. This fit is not yet confirmed against the manufacturer's list.

Your pressure cooker

Electric pressure cooker

Not confirmed by Crock-Pot — check your old part

CPE30040

Takes the CPE30040

Sealing ring · check the code on your old part.

Other Crock-Pot pressure cookers that take the CPE30040

Genuine

$29.90

JB Hi-Fi · 31 Oct

We list the maker's own sealing rings only: Instant Brands, Fissler and Ninja warn that other rings may not seal safely.

Lowest price · $29.90

JB Hi-Fi. Every seller we track is listed below. Some links earn us a commission.

Open JB Hi-Fi

Compare 1 seller

AUD, before delivery. Each price shows when it was checked.

Open cheapest seller · $29.90

Opens JB Hi-Fi in a new tab. Their page is the source of truth for price, delivery and returns.

How long it lasts

Replace it when it is damaged or no longer seals.

After replacing: No reset: the maker's manual describes no ring reminder.

How to change the sealing ring in your Crock-Pot CPE310

Watch the guide or follow the steps.

Crockpot Setup: How To Install & Clean the Gasket in your Crockpot Express Oval Pressure Cooker · The Crock-Pot Brand (official)
  1. 1Unplug the cooker, let it cool and remove the lid.
  2. 2Turn the lid over and pull the old gasket out of the lid.
  3. 3Press the new gasket into place all the way round so it sits evenly.
  4. 4Refit the lid and check it closes and seals before cooking.
Every number this part goes by
Retail name:
CPE30040
Retail name:
Crock Pot Express gasket
Retail name:
Crock-Pot CPE30040
Retail name:
Sunbeam CPE30040

Sellers list any of these; they are the same part.

About your CPE310

Crock-Pot pressure cooker, electric pressure cooker — Express. Its sealing ring is the Express sealing gasket, part CPE30040.

Where the model number is: The model and capacity are on the rating label under the base or on the back of the cooker (Instant Pot Duo, Breville BPR700). On a stovetop pressure pot they are stamped on the base. Let the cooker cool, and unplug an electric one, first.

Fits these 2 Crock-Pot models

Crock-Pot2 models

Common questions
Which sealing ring fits the Crock-Pot CPE310?
The Crock-Pot CPE310 takes the Crock-Pot Express sealing gasket (part CPE30040).
Where can I buy the CPE30040 in Australia?
We track 1 Australian seller for the CPE30040; the lowest listed price when we last checked was A$29.90 at JB Hi-Fi. Prices are re-checked daily and dated on this page.
How do I fit the CPE30040 in a Crock-Pot CPE310?
No tools, a few minutes: 4 steps, listed on this page with the replacement video where the maker has one.
What happens if I don't change it?
A worn ring lets steam leak around the lid, so the cooker is slow to reach pressure or will not seal at all.
Is there anything to reset afterwards?
No reset: the maker's manual describes no ring reminder.

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