Replacement Brush Heads for Philips Sonicare DiamondClean Smart 9300 HX9903/05

Find documented replacement heads for Philips Sonicare DiamondClean Smart 9300 HX9903/05, including connector type, fit exclusions, specifications and manufacturer evidence.

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Exact model and connection

Identity of Philips Sonicare DiamondClean Smart 9300 HX9903/05
Field	Verified catalog detail
Brand	Philips Sonicare / Philips One
Model / codes	Philips Sonicare DiamondClean Smart 9300 HX9903/05 · HX9903/05
Connector family	Sonicare adult click-on
Market record	US
Product status	not assessed

Also searched as: DiamondClean Smart 9300.

Recorded specifications

Source-supported specifications
Attribute	Recorded value
Technology Label	sonic

Replacement heads that fit

These are manufacturer-supported family-level records. Pack variants can differ by region or specification; inspect the exact part number before buying.

Documented fits
Head family	Result	Features	Evidence
Philips Sonicare A3 All-in-one	Confirmed fit	daily cleaning, surface stains	C3 HX9043/25 search excerpt; confirm full page · checked 2026-10-30 Known adult click-on families only. Modern head features and exact regional labels require individual SKU evidence.
Philips Sonicare A3 Premium All-in-One	Confirmed fit	daily cleaning, surface stains	C3 HX9043/25 search excerpt; confirm full page · checked 2026-10-30 Known adult click-on families only. Modern head features and exact regional labels require individual SKU evidence.
Philips Sonicare C2 Plaque Control	Confirmed fit	daily cleaning	C3 HX9043/25 search excerpt; confirm full page · checked 2026-10-30 Known adult click-on families only. Modern head features and exact regional labels require individual SKU evidence.
Philips Sonicare C3 Premium Plaque Control	Confirmed fit	daily cleaning	C3 HX9043/25 search excerpt; confirm full page · checked 2026-10-30 Known adult click-on families only. Modern head features and exact regional labels require individual SKU evidence.
Philips Sonicare C3 Two-in-one	Confirmed fit	daily cleaning, surface stains	C3 HX9043/25 search excerpt; confirm full page · checked 2026-10-30 Known adult click-on families only. Modern head features and exact regional labels require individual SKU evidence.
Philips Sonicare G3 Premium Gum Care	Confirmed fit	gum care	C3 HX9043/25 search excerpt; confirm full page · checked 2026-10-30 Known adult click-on families only. Modern head features and exact regional labels require individual SKU evidence.
Philips Sonicare G3 Two-in-one	Confirmed fit	gum care	C3 HX9043/25 search excerpt; confirm full page · checked 2026-10-30 Known adult click-on families only. Modern head features and exact regional labels require individual SKU evidence.
Philips Sonicare InterCare	Confirmed fit	interdental access	C3 HX9043/25 search excerpt; confirm full page · checked 2026-10-30 Known adult click-on families only. Modern head features and exact regional labels require individual SKU evidence.
Philips Sonicare S2 Sensitive	Confirmed fit	sensitive gums, sensitive teeth	C3 HX9043/25 search excerpt; confirm full page · checked 2026-10-30 Known adult click-on families only. Modern head features and exact regional labels require individual SKU evidence.
Philips Sonicare SimplyClean	Confirmed fit	daily cleaning	C3 HX9043/25 search excerpt; confirm full page · checked 2026-10-30 Known adult click-on families only. Modern head features and exact regional labels require individual SKU evidence.
Philips Sonicare W DiamondClean	Confirmed fit	surface stains	C3 HX9043/25 search excerpt; confirm full page · checked 2026-10-30 Known adult click-on families only. Modern head features and exact regional labels require individual SKU evidence.

Heads documented as incompatible

A negative result prevents a wrong purchase. No purchase link is shown for these heads.

Documented exclusions
Head family	Result	Evidence
Philips One replacement heads	Confirmed not fit	Philips brush-head system guide search excerpt; confirm full page · checked 2026-10-30
Philips Sonicare e-Series Standard	Confirmed not fit	Philips brush-head system guide search excerpt; confirm full page · checked 2026-10-30

What if a head is missing?

Missing pairs are Unknown, not confirmed incompatible. Check the manufacturer’s current package fit list for your exact model and region.

View the manufacturer’s product or support page ↗

How to use this result

Confirm the model code printed on your handle.
Open a fitting head to check its pack part numbers and bristle information.
Check the retail package against your region and model before purchase.

Search the recorded replacement on Amazon

These are search-result links, not verified Amazon product listings. Price, stock and seller authenticity are not checked.

Philips Sonicare A3 All-in-one

This head family has a documented fit in the BrushMatch catalog. Amazon search results may contain other products; confirm the exact head and your handle before ordering.

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Philips Sonicare A3 Premium All-in-One

This head family has a documented fit in the BrushMatch catalog. Amazon search results may contain other products; confirm the exact head and your handle before ordering.

(paid link)

Search this head on Amazon

Philips Sonicare C2 Plaque Control

This head family has a documented fit in the BrushMatch catalog. Amazon search results may contain other products; confirm the exact head and your handle before ordering.

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Search this head on Amazon

Found a wrong model or part number? Report a fit error.

Sources and scope

C3 HX9043/25 · manufacturer; web search excerpt; retrieved 2026-10-30
G3 Premium HX9053/25 · manufacturer; web search excerpt; retrieved 2026-10-30
Philips brush-head system guide · manufacturer; web search excerpt; retrieved 2026-10-30
InterCare HX9002/01 · manufacturer; web search excerpt; retrieved 2026-10-30