The Panasonic ES-RF31 takes the Panasonic WES9027 Outer Foil and Inner Blade Set (4-blade) as its shaving head; replace it every 12 months; Australian sellers list it from A$169.12 as of 28 October 2026. Fitment confirmed against the manufacturer's compatibility list.
Your electric shaver
Panasonic ES-RF31
Electric shaver
Confirmed against Panasonic's listConfirmed against Panasonic's own compatibility list
Not yours? ChangeSave it · remind me every 12 monthsTakes the WES9027 shaving head
WES9027 Outer Foil and Inner Blade Set (4-blade) · replace every 12 months · check the code on your old part before ordering.
Your electric shaver
Electric shaver
Confirmed against Panasonic's listConfirmed against Panasonic's own compatibility list
Takes the WES9027
Shaving head · every 12 months · check the code on your old part.
Other Panasonic electric shavers that take the WES9027
GenuineGenuine Panasonic
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No genuine seller tracked yetNo genuine seller tracked yet
CompatibleCompatible option
$169.12
Amazon AU · 28 OctAmazon AU · checked 28 Oct
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Genuine: made by Panasonic. Compatible: another brand.Genuine is made by Panasonic. Compatible is made by another brand. Check the seller's page for the size and models it fits.
Lowest compatibleLowest compatible price · $169.12
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Other parts this electric shaver takes
- Panasonic WES9068 Inner Blades (3- and 4-blade)Open Amazon AU$47.95
The inner blade set. Inner blades only (WES9068). Panasonic says replace the inner blades every two years. Separate from the shaving head. Replace every 2 years.
- Panasonic WES9167 Outer Foil (4-blade)Open Amazon AU$66.30
The outer foil. Outer foil only (WES9167). Panasonic says replace the outer foil once a year; the WES9027 set has the foil and the inner blades. Separate from the shaving head. Replace every 12 months.
Compare 1 seller
AUD, before delivery. Each price shows when it was checked.
Compatible options
1 seller
Opens Amazon AU in a new tab. Their page is the source of truth for price, delivery and returns.
Not due yet?
Get a nudge when your shaving head is due — it's every 12 months. One email two weeks before, no newsletter. Manage or stop it anytime.
How to change the shaving head in your Panasonic ES-RF31
Watch the guide or follow the steps.
- 1Switch the shaver off. Press the foil frame release buttons on the sides of the head and lift the outer foil section off.
- 2Press the outer foil release buttons and pull the old outer foil down out of the foil frame. Keep the frame.
- 3Line up the mark on the foil frame with the mark on the new outer foil and push them together until they click.
- 4Pull the old inner blades off one at a time and push the new ones on one at a time. Don't touch their metal edges.
- 5Refit the outer foil section with the frame mark to the front until it clicks.
Every number this part goes by
- Retail name:
- WES9027
Sellers list any of these; they are the same part.
About your Panasonic ES-RF31
Panasonic electric shaver — Arc4 (4-blade). Its shaving head is the WES9027 Outer Foil and Inner Blade Set (4-blade), part WES9027, changed every 12 months.
Also in this electric shaver:
- Panasonic WES9068 Inner Blades (3- and 4-blade) (every 2 years). Inner blades only (WES9068). Panasonic says replace the inner blades every two years.
- Panasonic WES9167 Outer Foil (4-blade) (every 12 months). Outer foil only (WES9167). Panasonic says replace the outer foil once a year; the WES9027 set has the foil and the inner blades.
Where the model number is: The type or model number is printed on the back or bottom of the handle, often in small print. The series name on the front narrows it down.
Common questions
- Which shaving head fits the Panasonic ES-RF31?
- The Panasonic ES-RF31 takes the Panasonic WES9027 Outer Foil and Inner Blade Set (4-blade).
- How often should I replace the shaving head in my Panasonic ES-RF31?
- Every 12 months, or sooner if it looks worn.
- Where can I buy the WES9027 in Australia?
- We track 1 Australian seller for the WES9027; the lowest listed price when we last checked was A$169.12 at Amazon AU. Prices are re-checked daily and dated on this page.
- How do I fit the WES9027 in a Panasonic ES-RF31?
- No tools, a few minutes: 5 steps, listed on this page with the replacement video where the maker has one.
- What happens if I don't change it?
- Blunt cutters pull at the hair instead of cutting it, the shave gets rougher and slower, and a worn foil can nick the skin.
- How do I reset the reminder?
- There is no reminder to reset on these shavers; Panasonic gives a time guide only.
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