The Braun CoolTec takes the Braun CoolTec 40B Replacement Cassette as its shaving head; replace it every 18 months; Australian sellers list it from A$36.66 as of 26 October 2026. Fitment confirmed against the manufacturer's compatibility list.

Your electric shaver
Braun CoolTec
Electric shaver
Confirmed against Braun's listConfirmed against Braun's own compatibility list
Not yours? ChangeSave it · remind me every 18 months
Takes the 40B shaving head
CoolTec 40B Replacement Cassette · replace every 18 months · check the code on your old part before ordering.

Your electric shaver
Electric shaver
Confirmed against Braun's listConfirmed against Braun's own compatibility list

Takes the 40B
Shaving head · every 18 months · check the code on your old part.
Other Braun electric shavers and their shaving heads
The 40B fits the CoolTec only. These Braun models take a different shaving head:
GenuineGenuine Braun
$54.59
Amazon AU · 26 OctLowest genuine · Amazon AU · checked 26 Oct
CompatibleCompatible option
$36.66
Amazon AU · 26 OctAmazon AU · checked 26 Oct
Check sellerCheck seller details
Genuine: made by Braun. Compatible: another brand.Genuine is made by Braun. Compatible is made by another brand. Check the seller's page for the size and models it fits.
Lowest compatibleLowest compatible price · $36.66
Amazon AU. Compare with genuine below. Some links earn us a commission. Some seller links earn us a commission, at no extra cost to you.
This electric shaver also takes a cleaning cartridge
- Braun 3in1 ShaverCare / Clean & Renew Refill Cartridge (CCR)Open JB Hi-Fi$9.17 each · 6-pack $55.00
Only for CoolTec cc models with a Clean & Charge station; Braun's station type 5425 lists CoolTec (5676) and the cartridge. Separate from the shaving head. Replace every 2 months.
Compare 2 sellers
Compare 3 listings from 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 18 months. One email two weeks before, no newsletter. Manage or stop it anytime.
How to change the shaving head in your Braun CoolTec
Watch the guide or follow the steps.
- 1Press the cassette release button(s) on the shaver head and lift the old cassette off.
- 2Push the new cassette on until it clicks into place.
- 3Braun recommends a new cassette every 18 months.
Every number this part goes by
- Retail name:
- 40B
- Retail name:
- Braun 40B
- Retail name:
- Combi 40B
Sellers list any of these; they are the same part.
About your Braun CoolTec

Braun electric shaver — CoolTec. Its shaving head is the CoolTec 40B Replacement Cassette, part 40B, changed every 18 months.
Also in this electric shaver: Braun 3in1 ShaverCare / Clean & Renew Refill Cartridge (CCR) (every 2 months). Only for CoolTec cc models with a Clean & Charge station; Braun's station type 5425 lists CoolTec (5676) and the cartridge.
Where the model number is: The four-digit type number (5793, 5795) is printed on the back of the handle, often in small print; the model number (9599cc, 8467cc) is on the box. The series name on the front narrows it down.
Fits this Braun model
Braun1 model
Common questions
- Which shaving head fits the Braun CoolTec?
- The Braun CoolTec takes the Braun CoolTec 40B Replacement Cassette.
- How often should I replace the shaving head in my Braun CoolTec?
- Every 18 months, or sooner if it looks worn.
- Where can I buy the 40B in Australia?
- We track 1 Australian seller for the 40B; the lowest listed price when we last checked was A$36.66 at Amazon AU. Prices are re-checked daily and dated on this page.
- How do I fit the 40B in a Braun CoolTec?
- 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?
- Blunt cutters pull at the hair instead of cutting it, the shave gets rougher and slower, and a worn foil can nick the skin.
Something looks wrong with the CoolTec match? . Reports go to a person, not a bot.