Pressure Cooker Sealing Ring Sizes: 7.1, 8.7 or 10.2 Inches?
By Fissler US | Published: 2026-11-01
Category: Buying Guides
Pick the right Fissler gasket by matching the ring's inner diameter to your cooker: 7.1", 8.7" for pre-2010 models, or 10.2". Measure the old ring before ordering.
Quick answer
Match the ring's inner diameter to your cooker: choose the 7.1" ring for smaller Fissler models, the 8.7" ring for models made before 2010, and the 10.2" ring for larger current cookers. Measure your old gasket across the inside edge before ordering, and contact Fissler customer service if the size is unclear.
Why the diameter matters more than the model name
A sealing ring works only when its inner diameter matches the cooker's rim. A ring that is too small will not seat; one that is too large will not seal, and the cooker will not build pressure. Fissler lists three replacement sizes, so the safest approach is to measure the old ring rather than guess from the cooker's name.
The 8.7-inch exception: pre-2010 models
The 8.7" ring is specifically for models made before 2010. If your cooker dates from that period, this is the size to check first. For newer cookers, use the 7.1" or 10.2" ring depending on the measured diameter. If you are unsure of your cooker's age, measure the old gasket and confirm with Fissler before ordering.
When to replace rather than re-measure
If the old ring is stretched, cracked, or hard, its measurement may be unreliable. In that case, look for the size marking on the cooker or contact Fissler customer service with your model details. Replacing a worn ring restores a proper seal and is part of routine pressure cooker maintenance.
Decision rules for choosing your sealing ring size
- Measure the old ring: Lay the old gasket flat and measure the inner diameter across the center. Order the size that matches: 7.1", 8.7", or 10.2". If the old ring is stretched or damaged, do not rely on its measurement.
- Check the cooker's age: If your Fissler pressure cooker was made before 2010, start with the 8.7" ring. For newer cookers, use the measured diameter to choose between 7.1" and 10.2".
- Confirm when unsure: If the measurement is ambiguous or you cannot find the model details, contact Fissler customer service at [email protected] before ordering. Original Fissler parts are recommended for safety and longevity.
Fissler sealing ring options
- Pressure Cooker Sealing Ring, 10.2": Pressure Cooker Sealing Ring, 10.2" — original Fissler replacement part. This is the largest listed size, so it suits cookers whose old ring measures 10.2" across the inside.
Pressure Cooker Sealing Ring, 10.2" - Pressure Cooker Sealing Ring, 7.1": Pressure Cooker Sealing Ring, 7.1" — original Fissler replacement part. The smallest listed size fits smaller cookers; confirm the measurement before ordering.
Pressure Cooker Sealing Ring, 7.1" - Pressure Cooker Sealing Ring (Models before 2010), 8.7": Pressure Cooker Sealing Ring (Models before 2010), 8.7" — original Fissler replacement part. This size is tied to pre-2010 models, so it is the right check for older cookers.
Who these rings are for
Best for
- Owners replacing a worn or leaking Fissler pressure cooker gasket
- Cooks who have measured their old ring and know the diameter
Not for
- Pressure cookers from other brands
- Anyone who has not confirmed the size or model age
