The Philips Series 8000 (S8xxx) takes the Philips SH91 Replacement Shaving Heads (SH91/51) as its shaving head; replace it every 2 years; Australian sellers list it from A$19.90 as of 26 October 2026. Fitment confirmed against the manufacturer's compatibility list.
Your electric shaver
Philips Series 8000 (S8xxx)
Electric shaver
Confirmed against Philips's listConfirmed against Philips's own compatibility list
Not yours? ChangeSave it · remind me every 2 years
Takes the SH91/51 shaving head
SH91 Replacement Shaving Heads (SH91/51) · replace every 2 years · check the code on your old part before ordering.
Philips names SH91 (and the discontinued SH90) for Shaver series 8000; check the back of the handle for the head code.
Your electric shaver
Electric shaver
Confirmed against Philips's listConfirmed against Philips's own compatibility list
Takes the SH91/51
Shaving head · every 2 years · check the code on your old part.
Philips names SH91 (and the discontinued SH90) for Shaver series 8000; check the back of the handle for the head code.
Other Philips electric shavers that take the SH91/51
GenuineGenuine Philips
$69.99
Amazon AU · 26 OctLowest genuine · Amazon AU · checked 26 Oct
CompatibleCompatible option
$19.90
Amazon AU · 26 OctAmazon AU · checked 26 Oct
Check sellerCheck seller details
Genuine: made by Philips. Compatible: another brand.Genuine is made by Philips. Compatible is made by another brand. Check the seller's page for the size and models it fits.
Lowest compatibleLowest compatible price · $19.90
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Compare 5 listings from 3 sellers
AUD, before delivery. Each price shows when it was checked.
Compatible options
1 seller
Genuine Philips
4 listings from 3 sellers
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Not due yet?
Get a nudge when your shaving head is due — it's every 2 years. One email two weeks before, no newsletter. Manage or stop it anytime.
How to change the shaving head in your Philips Series 8000 (S8xxx)
Watch the guide or follow the steps.
- 1Switch the shaver off. Press the release buttons and detach the shaving head holder.
- 2Turn each retaining ring anticlockwise and lift it out. On older S9000 models, use the retaining-ring holder to turn the rings.
- 3Take out the old heads and fit the new ones so the notches sit exactly on the projections.
- 4Refit the retaining rings and turn them clockwise until they click, then put the holder back and close it.
- 5Hold the on/off button for about 7 seconds to clear the replacement reminder.
Every number this part goes by
- Retail name:
- SH91
- Retail name:
- SH91/50
- Retail name:
- SH91/51
- Retail name:
- SH91/52
Sellers list any of these; they are the same part.
About your Philips Series 8000 (S8xxx)
Philips electric shaver — Series 8000. Its shaving head is the SH91 Replacement Shaving Heads (SH91/51), part SH91/51, changed every 2 years.
Other shaving heads the maker lists for this electric shaver: Philips SH90 Replacement Shaving Heads (SH90/51) (every 2 years). Philips also names SH90 for the Series 8000 (S8xxx); SH91 replaces it.
Where the model number is: The type number is printed on the back or bottom of the handle, often in small print (S9987, SP9883, S5880). OneBlade handles show it on the back (QP2724). The series name on the front narrows it down.
Fits these 31 Philips models
Philips31 models
Series 8000 (S8xxx). Philips names SH91 (and the discontinued SH90) for Shaver series 8000; check the back of the handle for the head code.
Series 9000 (S9xxx). Philips names SH91 for Shaver series 9000 and 8000; check the back of the handle for the head code.
SP9810, SP9860, SP9863. Philips first named SH98 for this shaver; SH91 replaces it.
S9111, S9161, S9211, S9371, S9511, S9521, S9531, S9551, S9711, S9751, SW6700, SW9700. Philips first named SH90 for this shaver; SH91 replaces it.
Common questions
- Which shaving head fits the Philips Series 8000 (S8xxx)?
- The Philips Series 8000 (S8xxx) takes the Philips SH91 Replacement Shaving Heads (SH91/51). Philips names SH91 (and the discontinued SH90) for Shaver series 8000; check the back of the handle for the head code.
- How often should I replace the shaving head in my Philips Series 8000 (S8xxx)?
- Every 2 years, or sooner if it looks worn.
- Where can I buy the SH91/51 in Australia?
- We track 3 Australian sellers for the SH91/51; the lowest listed price when we last checked was A$19.90 at Amazon AU. Prices are re-checked daily and dated on this page.
- How do I fit the SH91/51 in a Philips Series 8000 (S8xxx)?
- 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?
- Hold the on/off button for about 7 seconds after fitting new heads to clear the replacement reminder; if you don't, Philips says it clears itself after 9 shaves.
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