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
Crock-Pot CPE310
Electric pressure cooker
Not confirmed by Crock-Pot — check your old partNot yet confirmed by Crock-Pot's own list — check the code on your old part
Not yours? Change
Takes the CPE30040 sealing ring
Express sealing gasket · check the code on your old part before ordering.
Your pressure cooker
Electric pressure cooker
Not confirmed by Crock-Pot — check your old partNot yet confirmed by Crock-Pot's own list — check the code on your old part

Takes the CPE30040
Sealing ring · check the code on your old part.
Other Crock-Pot pressure cookers that take the CPE30040
GenuineGenuine Crock-Pot
$29.90
JB Hi-Fi · 31 OctLowest genuine · JB Hi-Fi · checked 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. Some seller links earn us a commission, at no extra cost to you.
Compare 1 seller
AUD, before delivery. Each price shows when it was checked.
Genuine Crock-Pot
1 seller
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.
- 1Unplug the cooker, let it cool and remove the lid.
- 2Turn the lid over and pull the old gasket out of the lid.
- 3Press the new gasket into place all the way round so it sits evenly.
- 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 Crock-Pot 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.
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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