The Philips Sonicare Series 5500 takes the Philips Sonicare C3 Premium Plaque Brush Heads (HX9042/14) as its brush head; replace it every 3 months; Australian sellers list it from A$24.98 each as of 4 November 2026. Fitment confirmed against the manufacturer's compatibility list.
Your electric toothbrush
Philips Sonicare Series 5500
Electric toothbrush
Confirmed against Philips Sonicare's listConfirmed against Philips Sonicare's own compatibility list
Not yours? ChangeSave it · remind me every 3 months
Takes the HX9042/14 brush head
C3 Premium Plaque Brush Heads (HX9042/14) · replace every 3 months · check the code on your old part before ordering.
Comes with a C3 Premium Plaque Defense head.
Your electric toothbrush
Electric toothbrush
Confirmed against Philips Sonicare's listConfirmed against Philips Sonicare's own compatibility list
Takes the HX9042/14
Brush head · every 3 months · check the code on your old part.
Comes with a C3 Premium Plaque Defense head.
Other Philips Sonicare electric toothbrushes that take the HX9042/14
GenuineGenuine Philips Sonicare
$24.98 each
2-pack $49.95
Myer · 4 NovLowest genuine · Myer · checked 4 Nov
CompatibleCompatible option
See seller
No compatible seller tracked yetNo compatible seller tracked yet
Genuine: made by Philips Sonicare. Compatible: another brand.Genuine is made by Philips Sonicare. Compatible is made by another brand. Check the seller's page for the size and models it fits.
Lowest price · $24.98 each · 2-pack $49.95
Myer. 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 3 sellers
AUD, before delivery. Each price shows when it was checked.
Genuine Philips Sonicare
3 sellers
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Not due yet?
Get a nudge when your brush head 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 Series 5500
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:
- AdaptiveClean
- Retail name:
- C3 Premium Plaque
- Retail name:
- HX9042
- Retail name:
- HX9042/05
- Retail name:
- HX9042/14
- Retail name:
- HX9042/91
- Retail name:
- HX9044
- Retail name:
- HX9044/14
- Retail name:
- HX9044/91
- Replaces:
- C3 Premium Plaque Defense
- Replaces:
- HX9042/67
Sellers list any of these; they are the same part.
About your Philips Sonicare Series 5500
Philips Sonicare electric toothbrush — Series 5500. Its brush head is the C3 Premium Plaque Brush Heads (HX9042/14), part HX9042/14, changed every 3 months.
Other brush heads that fit this electric toothbrush:
- Philips Sonicare S2 Sensitive Brush Heads (HX6052/14) (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 I InterCare Brush Heads, 2-pack (HX9002/14) (every 3 months), Philips Sonicare C2 Plaque Control Brush Heads (HX9024/14) (every 3 months), Philips Sonicare G3 Premium Gum Brush Heads (HX9052/14) (every 3 months), Philips Sonicare A3 All-in-one Brush Heads (HX9092/14) (every 3 months), Philips Sonicare A3 All-in-one Brush Heads, 4-pack (HX9094/14) (every 3 months). Every Philips Sonicare click-on brush head fits every click-on handle; Philips lists them all for this range, so pick the head by what you want it to do.
- Philips Sonicare W DiamondClean Brush Heads, 8-pack (HX6068/82) (every 3 months), Philips Sonicare G2 Optimal Gum Care 3 x (formerly ProResults gum health) (HX9033/67) (every 3 months), Philips Sonicare W3 Premium White Brush Heads, 2-pack (HX9062/67) (every 3 months). Philips says every Sonicare brush head fits every Sonicare handle. This head is older than this handle, so Philips does not list the pair by name.
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 26 Philips Sonicare models
Philips Sonicare26 models
- Series 5300
- Series 5500
- Series 6100
- Series 6500
- 1100 Series
- 2 Series gum health
- 2 Series plaque control
- 2 Series plaque defense
- 3 Series gum health
- 3100 Series
- 4100 Series
- 5 Series gum health
- Advanced Clean
- DiamondClean
- DiamondClean Smart
- EasyClean
- Essence+
- FlexCare
- FlexCare Platinum
- FlexCare Platinum Connected
- FlexCare+
- HealthyWhite
- HealthyWhite+
- PowerUp
- ProtectiveClean
- Sonicare for Kids
Series 5300, Series 5500. Comes with a C3 Premium Plaque Defense head.
Series 6100, Series 6500. Comes with a C3 Premium Plaque Defense and an S2 Sensitive head.
The other 22 models. Every Philips Sonicare click-on brush head fits every click-on handle; Philips lists them all for this range, so pick the head by what you want it to do.
Common questions
- Which brush head fits the Philips Sonicare Series 5500?
- The Philips Sonicare Series 5500 takes the Philips Sonicare C3 Premium Plaque Brush Heads (HX9042/14). Comes with a C3 Premium Plaque Defense head.
- How often should I replace the brush head in my Philips Sonicare Series 5500?
- Every 3 months, or sooner if it looks worn.
- Where can I buy the HX9042/14 in Australia?
- We track 3 Australian sellers for the HX9042/14; the lowest listed price when we last checked was A$24.98 at Myer. Prices are re-checked daily and dated on this page.
- How do I fit the HX9042/14 in a Philips Sonicare Series 5500?
- 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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