Standing in front of a shaver spares page with a trolley ready to go, only to realise you have no idea which head code matches the device on your bathroom shelf, that is the single most common frustration Philips rotary shaver owners face. The Series 3000 range spans dozens of model numbers, and the replacement head market offers several product codes that look similar but are definitely not identical. Getting the wrong one means wasted postage, a delay in your morning routine, and potentially a head that does not click firmly into place.
The reassuring news is that the compatibility system is straightforward once you understand the logic behind Philips' numbering. Philips itself advises you to check the back of your shaver's handle to confirm the correct replacement head before ordering. This guide walks you through exactly how to do that, which head codes apply to which models, and when it is time to order a fresh set.

One head code covers the entire Series 3000 range: The SH30 replacement head is compatible with all S3000 (S3xxx) models, all S1000 (S1xxx) models, and the Star Wars Shaver SW3700, therefore, if your handle begins with S3, the SH30 is your answer.
Replace every 12 months for daily shavers: Within one year, your shaver heads cut approximately 4.5 million hairs, therefore, if you shave every day, set a calendar reminder for the 12-month mark rather than waiting for performance to decline.
Your model number is always on the handle: You can find the model number on the backside of your Philips shaver, therefore, before you visit any spares site, flip the device over and note the alphanumeric code starting with 'S'.
SH30 and SH50 are not interchangeable: The SH30, SH50, and the older HQ8 cannot be used interchangeably, therefore, always verify the code rather than picking whichever head is on the shelf.
Genuine heads restore performance; budget alternatives often do not: While it is tempting to choose the lowest price, counterfeit or off-brand blades may not deliver optimal shaving results or could even damage your shaver, therefore, buy from an authorised supplier.
| Your Situation | Correct Head Code | Effort to Confirm | Time to Results |
|---|---|---|---|
| Any S3xxx model (e.g. S3233, S3310, S3580) | SH30/50 or SH30/52 | Low, check handle | 1-3 working days delivery |
| Any S1xxx model | SH30/50 or SH30/52 | Low, check handle | 1-3 working days delivery |
| S5xxx or S7xxx rounded head | SH50/52 | Medium, confirm series | 1-3 working days delivery |
| S9xxx or S9000 Prestige | SH91/52 | Medium, confirm series | 1-3 working days delivery |
| Unsure of model / label worn off | Check user manual or Philips support page | High, requires research | Same day if model found online |
Start here if you are:
A Series 3000 owner (any sub-model): Order the SH30, the widest-compatibility head Philips produces for its entry and mid range.
Unsure whether you own a Series 3000 or Series 5000: The SH50 fits S5xxx rounded heads but will not fit S3xxx models correctly, so confirm the first digit after 'S' on your handle.
Replacing for the first time and unsure of age: Buy a three-pack so you have a spare set ready for the following year.
Every Philips shaver produced in recent decades carries a model number beginning with a letter, followed by four digits, followed by a suffix that indicates the colour variant or regional version. For Series 3000 shavers, the number begins S3. So an S3233/52 is a Series 3000 shaver, the 52 suffix indicating the colour code for the European market. An S3212/82 is functionally the same shaver sold in the United States under the Norelco branding.
USA Series 3000 models include the 3900 (S3341/92), the 3700 (S3570), the 3800 (S3311/85), and the 3100 (S3310/81); European models include the S3333/54, S3233/52, S3231/52, S3133/51, S3561/12, and S3134/51. This breadth is exactly why buyers get confused. The retail box uses the marketing name ("Shaver 3500" or "Shaver 3100") but the handle carries the engineering code (S3212, S3310), and the replacement head packaging references only the engineering code.
You can find the model number on the backside of your Philips shaver. For the serial number, check the backside, under the pop-up trimmer or in the hair chamber. The model number is the string beginning with 'S', ignore the serial number, which is a longer string of digits used only for warranty purposes.
Pro tip: If the label on your handle has worn away through years of use, search your email inbox for the original purchase confirmation, which often lists the full model code. You can also visit Philips' model support page and enter any details you remember to identify your exact device.
The SH30 is the product code Philips uses for the rotary cutting heads designed for its entry and mid-range rotary shavers. The "/50" or "/52" suffix on the end (giving you SH30/50 or SH30/52) denotes pack format or regional version, in practice, both fit the same shavers. The SH30 ComfortCut Blades three-blade rotary cutting head set is designed for the new Series 1000 and Series 3000 shavers, fitting models including S3231/50, S3233/52, S3333/54, S3580/06, and SW3700/07, among many others.
The SH30 fits Philips Norelco 1000, 2000, and 3000 series shavers made after 2015 with model numbers including S3112, S3115, S3122, S3132, S3133, S3134, S3145, S3210, S3211, S3212, S3222, S3232, S3233, S3242, S3243, and many more in the S3xxx range. Therefore, if your handle carries any code beginning S3, order the SH30 with confidence.
The Series 3000 shaver heads are best suited for those with sensitive skin, designed to give a close yet gentle shave suitable for daily use. The SH30 is compatible with the S1000 and S3000 series, and one notable feature is the rounded edges, which help protect skin from irritation and minimise cuts. This is a deliberate engineering choice, the S3000's ComfortCut heads prioritise skin comfort over maximum closeness, which makes them an ideal daily driver for most men.

According to Philips' official accessories listing, the SH30/52 fits all S2000 shavers (S2xxx), all S3000 shavers (S3xxx), all S1000 shavers (S1xxx), and the 5000X (X5004 and X5006), as well as the Star Wars Shaver SW37xx. This means the SH30 is a very broad-compatibility head. If you own a Series 3000 and later upgrade to a 5000X model, your replacement head knowledge transfers directly.
Pro tip: The Philips SH30/50 listing on Boots confirms compatibility with the Series 3000X range as well, a useful secondary reference if you are unsure whether your newer-generation device qualifies.
Many buyers assume the SH50 is simply an upgraded version of the SH30, a higher number, therefore better. The reality is that these are two entirely separate product lines for different shaver families.
The Series 5000 shaver heads are best for those who want a closer shave, with multi-precision blades that cut even the thickest of hairs. The SH50 is compatible with S5000, S7000, and S9000 models. The SH30, by contrast, uses ComfortCut rounded-profile heads optimised for daily comfort. The mounting mechanism and cutter geometry differ between the two families.
Research confirms that the SH30 SH50, and the older HQ8 cannot be used interchangeably. The tips of the cutters are designed slightly differently, and the locking mechanism (retainer) is also somewhat different across shaver model families. Forcing an SH50 head onto an S3xxx body risks an insecure fit, the retainer will not lock correctly, and the heads may wobble or disengage mid-shave.
| Shaver Series | Head Code | Blade Technology |
|---|---|---|
| S1xxx (Series 1000) | SH30 | ComfortCut |
| S2xxx (Series 2000) | SH30 | ComfortCut |
| S3xxx (Series 3000) | SH30 | ComfortCut |
| S5xxx rounded (Series 5000) | SH50 | Multi-precision |
| S7xxx / S9xxx | SH50 / SH91 | Multi-precision / V-Track |
The replacement shaving heads for Philips Norelco Series 3000 shavers is the SH30, confirmed directly by Philips. If you own an S3xxx device, this table is definitive: SH30 is your code.
Most people should replace the foil or cutting head of an electric shaver every 12 to 18 months, depending on shave frequency, hair coarseness, and maintenance habits. For daily shavers with heavier beard growth, daily shavers with coarse hair often need a new head closer to the 9 to 12 month mark, while occasional users with fine hair can sometimes stretch the same head past 24 months without a noticeable drop in performance. Therefore, assess your beard density honestly when planning your replacement schedule, rather than defaulting to a blanket annual reminder.
Rotary shavers such as the Philips Norelco line stretch the replacement window to 18 to 24 months, these ranges assume daily use and average beard density. Therefore, if you shave every other day and have average hair density, you can reasonably expect 18 months from a genuine SH30 head before closeness noticeably declines.
Blades and foils will eventually dull with use. A dull blade or foil will not achieve the same closeness it once did, and you may find yourself overworking areas due to missed hairs, adding time, causing irritation, and potentially leading to ingrown hairs. Other reliable signals include:
Increased skin redness or razor burn in the hours after shaving
The shaver making a higher-pitched sound as the motor works harder
Needing to make multiple passes over the same area
Worn cutter heads in the Series 3000 can pinch skin due to dull blades and lack of lubrication
The latest Philips shavers feature an inbuilt replacement reminder indicated by a shaving unit symbol. This symbol illuminates to signal when it is time to replace your shaving heads. After replacing the shaving heads, you can reset this indicator by pressing and holding the on/off button for more than 7 seconds. If not manually reset, the indicator will automatically turn off after 9 successive shaves. If your model has this feature, trust it, Philips programmes it to reflect real-world wear patterns.
Your shaver is not dead just because the blades are dull. If the motor still runs strong and the battery holds a charge, replacing the heads restores the shaver to near-new performance at a fraction of the cost of a new device. This is the core argument for investing in the correct, genuine replacement rather than a budget alternative.
Genuine ComfortCut shaving heads are made in the Netherlands, and for maximum shaving performance it is recommended to replace your shaving head once every 12 months. Quality of manufacture is tightly controlled in Philips' Dutch production facilities, something aftermarket producers cannot replicate at the same price point.
Users should avoid cheap non-genuine replacements that may have misaligned blades, poor durability, or inadequate protection against skin irritation. Misalignment is the primary technical risk: if the cutter pins do not seat correctly in the retainer housing, the head can spin unevenly, producing a rough shave and wearing down the motor faster.
Pro tip: Electrospares.Net Ltd at shaver-spares.co.uk stocks genuine Philips SH30 heads with free UK delivery. Ordering from an authorised specialist rather than a generic marketplace reduces the risk of receiving an incorrectly labelled or non-genuine product.
Purchase replacement heads and blades from authorised dealers or the brand's official website to ensure authenticity. Authorised stockists are contractually bound to supply only genuine products, which removes the guesswork entirely.
Once your replacement heads arrive, the process takes under two minutes. Open the shaver by pressing the 'release' button. Remove the retainer by turning the lock counterclockwise. Take out the old shaving heads and carefully insert replacements, checking that the heads align exactly in the setting. Replace the retainer and secure it by turning the lock clockwise. When you close the shaving head properly, you will hear it click into place.
That click is important. If the retainer does not produce a clear click, remove and re-seat the heads; they may be fractionally misaligned in their housings. Forcing a locked retainer over misaligned heads can crack the plastic.
The longevity of genuine Philips replacement blades ultimately depends on various factors, but typically they last for at least a year with daily use. Factors such as shaving technique, hair type, and frequency of use all play a role. It is important to follow proper maintenance and care instructions to ensure the blades remain sharp and effective for as long as possible.
Rinse the heads under warm running water after each shave if your model is water-resistant (any S3xxx with 'wet and dry' in its name). For dry-only models, tap the head casing gently on a clean towel to dislodge hair clippings, then use the small cleaning brush supplied with the shaver.
The SH30/50 rotary cutting heads fit models including the S3233/52, S3333/54, and S3580/06, among other S3xxx variants. All of these models use the same SH30 head, the suffix numbers after the slash indicate colour or regional variant, not a different head mounting. Order any SH30 product (SH30/50 or SH30/52) and it will fit.
There are a couple of issues with attempting cross-series head use. The tips of the cutters are designed slightly differently, and the locking mechanism (retainer) is also somewhat different on the shaver models. In short, the SH50 will not lock correctly on an S3xxx body. If SH30 heads are temporarily out of stock locally, order from an online specialist such as shaver-spares.co.uk rather than substituting a different head code.
The motor and lithium-ion battery inside a quality electric shaver can easily last six to eight years before the battery stops holding a charge. If the motor still runs strong and the battery holds a charge, replacing the heads restores the shaver to near-new performance at a fraction of the cost of a new device. A good test: if the motor sounds the same as it always did but closeness has dropped, the heads are the issue. If the motor sounds strained or battery life has halved, the device itself may be near end-of-life.
Within one year, your shaver heads heads are compatible with Shaver Series 3000 (S3xxx), Series 1000 (S1xxx), and the Star Wars Shaver SW3700. Standard Philips SH30 packaging includes three rotary heads, one for each of the three cutting positions on the shaver. You fit all three at once rather than replacing individual heads, which ensures even wear across the shaving surface.
The latest Philips shavers feature for more than 7 seconds to reset the indicator. If not manually reset, the indicator will automatically turn off after 9 successive shaves. Either method works, the manual reset simply clears the notification immediately so you are not distracted by the light during your next shave.
Philips SH30/50 Product Page, Philips UK. Compatibility and installation guidance for Series 3000 replacement heads. https://www.philips.co.uk/c-p/SH30_50/shaver-series-3000-shaving-heads
Philips Norelco SH30/52 Manual, Manuals.plus. Compatible models and step-by-step replacement instructions. Within one year, your shaver heads
Philips Norelco Shaver Accessories, Philips USA official accessories page. SH30/52, SH50/52, and SH91/52 compatibility breakdown. https://www.usa.philips.com/c-m-pe/accessories-and-replacements/shaver-replacement-blades/latest
Philips Series 3000 Shaver Review, ShavingAdvisor.com. Full model number listing for US and European Series 3000 variants. https://shavingadvisor.com/electric-shavers/philips-s3233-s3212/
Philips SH30/50 S7 Triple Pack, Electrospares.Net Ltd / shaver-spares.co.uk. Compatible model list for the SH30/50 S7 three-blade rotary cutting heads. https://www.shaver-spares.co.uk/Item/Philips-SH30/50-S7-Series-1000-Triple-Pack
Philips Shaver Heads Series 3000, 5000, 7000, 9000, Electro-Spares.co.uk. SH30 vs SH50 comparison by series and skin type. https://www.electro-spares.co.uk/Article/philipsblades
How Often to Replace Electric Shaver Heads, Aisen Appliance. Replacement timeline by beard density and usage frequency. https://www.aisenappliance.com/news/industry-news/how-often-to-replace-an-electric-shaver-the-complete-timeline.html
Do Electric Shavers Get Dull?, ShaverOne. Rotary vs foil replacement intervals and motor lifespan guidance. https://shaverone.com/blogs/news/do-electric-shavers-get-dull-blade-wear-signs-replacement-guide
Why and When to Replace Your Blades and Foils, Shavers.co.uk. General blade replacement guidance including ingrown hair risk from dull heads. https://www.shavers.co.uk/blog/why-and-when-you-should-replace-your-blades-and-foils/
How to Choose and Maintain Electric Razor Replacement Heads, Electric-Shaver-Guru.com. Genuine vs aftermarket head guidance and authorised dealer recommendation. https://www.electric-shaver-guru.com/blog/how-to-choose-and-maintain-electric-razor-replacement-heads-for-optimal-shaving
Where Is the Model Number on My Philips Shaver?, Philips (Amazon-hosted PDF). Location of model and serial numbers on Philips shaver bodies. https://images-na.ssl-images-amazon.com/images/I/81fmsF5ZOjS.pdf
Philips Norelco SH30 Replacement Foils and Blades, Shavers-and-Replacement-Parts.com. Extended compatible model number list for SH30 heads post-2015. https://www.shavers-and-replacement-parts.com/philips-norelco-sh30-replacement-foils-and-blades.html
Article Posted: 18/09/2026 08:16:54