The Philips Sonicare ProtectiveClean takes the Philips Sonicare A3 All-in-one Brush Heads (HX9092/14) as its brush head; replace it every 3 months; Australian sellers list it from A$27.00 as of 5 October 2026. Fitment confirmed against the manufacturer's compatibility list.
Your electric toothbrush
Philips Sonicare ProtectiveClean
Electric toothbrush
Confirmed against Philips Sonicare's listConfirmed against Philips Sonicare Australia's compatibility list
Not yours? ChangeSave it · remind me every 3 months
Takes the HX9092/14 brush head
A3 All-in-one Brush Heads (HX9092/14) · replace every 3 months · check the code on your old part before ordering.
Your electric toothbrush
Electric toothbrush
Confirmed against Philips Sonicare's listConfirmed against Philips Sonicare Australia's compatibility list
Takes the HX9092/14
Brush head · every 3 months · check the code on your old part.
Other Philips Sonicare electric toothbrushes that take the HX9092/14
GenuineGenuine Philips Sonicare
$27.00 each
2-pack $54.00
Amazon AU · 5 OctLowest genuine · Amazon AU · checked 5 Oct
CompatibleCompatible option
See seller
No compatible seller tracked yetNo compatible seller tracked yet
Genuine: made by Philips Sonicare. Compatible: another brand. Check certification on the seller's page.Genuine is made by Philips Sonicare. Compatible is made by another brand. Check the seller's certification details before choosing.
Lowest price · $27.00 each · 2-pack $54.00
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Compare 3 sellers
AUD, before delivery. Each price shows when it was checked.
Genuine Philips Sonicare
3 sellers
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How long it lasts
Usually every 3 months. The filter light is a reminder, not a water-quality sensor.
Not due yet?
Get a nudge when your filter is due — it's every 3 months. One email two weeks before, no newsletter. Manage or stop it anytime.
How to change the brush head in your Philips Sonicare ProtectiveClean
Watch the guide or follow the steps.
- 1Pull the old brush head straight off the handle's metal shaft.
- 2Line the front of the new head up with the front of the handle and push it on until it clicks.
- 3Change heads every 3 months; BrushSync handles light up their replacement reminder when a smart head is due.
Every number this part goes by
- Retail name:
- A3 All-in-one
- Retail name:
- HX9092
- Retail name:
- HX9092/14
- Retail name:
- HX9092/91
- Replaces:
- A3 Premium All-in-One
- Replaces:
- HX9092/67
Sellers list any of these; they are the same part.
About your Philips Sonicare ProtectiveClean
Philips Sonicare electric toothbrush, electric toothbrush — ProtectiveClean. Its brush head is the A3 All-in-one Brush Heads (HX9092/14), part HX9092/14, changed every 3 months.
Also in this electric toothbrush: Philips Sonicare C3 Premium Plaque Brush Heads (HX9042/14) (every 3 months), Philips Sonicare W2 Optimal White Brush Heads (HX6062/14) (every 3 months), Philips Sonicare W2 Optimal White Brush Heads, 4-pack (HX6064/14) (every 3 months), Philips Sonicare W DiamondClean Brush Heads, 8-pack (HX6068/82) (every 3 months), Philips Sonicare A3 All-in-one Brush Heads, 4-pack (HX9094/14) (every 3 months), Philips Sonicare C2 Plaque Control Brush Heads (HX9024/14) (every 3 months), Philips Sonicare G2 Optimal Gum Care 3 x (formerly ProResults gum health) (HX9033/67) (every 3 months).
Where the model number is: The range name (DiamondClean 9000, ProtectiveClean 4300, 2100 Series) is on the box and in the app; the HX type number (HX9911) is printed in small type on the underside of the handle.
Fits these 21 Philips Sonicare models
Philips Sonicare21 models
- 2 Series plaque control (brush head)
- 2 Series plaque defense (brush head)
- 2100 Series (brush head)
- 3 Series gum health (brush head)
- DiamondClean (brush head)
- DiamondClean 9000 (brush head)
- DiamondClean Smart (brush head)
- EasyClean (brush head)
- Essence+ (brush head)
- ExpertClean (brush head)
- ExpertResults (brush head)
- FlexCare (brush head)
- FlexCare Platinum (brush head)
- FlexCare Platinum Connected (brush head)
- FlexCare+ (brush head)
- HealthyWhite (brush head)
- HealthyWhite+ (brush head)
- PowerUp (brush head)
- Prestige 9900 (brush head)
- ProtectiveClean (brush head)
- Sonicare for Kids (brush head)
Common questions
- Which brush head fits the Philips Sonicare ProtectiveClean?
- The Philips Sonicare ProtectiveClean takes the Philips Sonicare A3 All-in-one Brush Heads (HX9092/14) (part HX9092/14).
- How often should I replace the brush head in my Philips Sonicare ProtectiveClean?
- Every 3 months, or sooner if it looks worn.
- Where can I buy the HX9092/14 in Australia?
- We track 3 Australian sellers for the HX9092/14; the lowest listed price when we last checked was A$27.00 at Amazon AU. Prices are re-checked daily and dated on this page.
- How do I fit the HX9092/14 in a Philips Sonicare ProtectiveClean?
- No tools, a few minutes: 3 steps, listed on this page with the replacement video where the maker has one.
- What happens if I don't change it?
- Splayed bristles clean less and can hurt gums; the indicator bristles fade to show it is due.
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