The Sanli PMS405 takes the Sanli packaged blade set KSP-CB1 (2 swing-back blades with bolts) as its blade; Australian sellers list it from A$8.66 as of 31 October 2026. Fitment confirmed against the manufacturer's compatibility list.
Your lawn mower
Sanli PMS405
Lawn mower
Confirmed against Sanli's listConfirmed against Sanli's own compatibility list
Not yours? Change
Takes the KSP-CB1 blade
packaged blade set KSP-CB1 (2 swing-back blades with bolts) · check the code on your old part before ordering.
Sanli lists the KSP-CB1 packaged blade set (2 blades with bolts) and the single blade PSS-LB1; buy enough packs for every blade on the disc.
Your lawn mower
Lawn mower
Confirmed against Sanli's listConfirmed against Sanli's own compatibility list
Takes the KSP-CB1
Blade · check the code on your old part.
Sanli lists the KSP-CB1 packaged blade set (2 blades with bolts) and the single blade PSS-LB1; buy enough packs for every blade on the disc.
Other Sanli lawn mowers that take the KSP-CB1
GenuineGenuine Sanli
$8.66
Jakmax · 31 OctLowest genuine · Jakmax · checked 31 Oct
CompatibleCompatible option
See seller
No compatible seller tracked yetNo compatible seller tracked yet
Genuine: made by Sanli. Compatible: another brand.Genuine is made by Sanli. Compatible is made by another brand. Check the seller's page for the size and models it fits.
Lowest price · $8.66
Jakmax. 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.
This lawn mower also takes a spark plug
- NGK BPR6ES spark plugOpen Power Mowers$6.87
Sanli recommends NGK BPR6ES or Torch F6RTC for its mowers, with a gap of about 0.7 mm, and says to check it every 25 hours. No manual for this older model was found, so this is Sanli's advice for its range. Separate from the blade. Replace every 12 months.
Compare 4 sellers
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AUD, before delivery. Each price shows when it was checked.
Opens Jakmax in a new tab. Their page is the source of truth for price, delivery and returns.
How long it lasts
Replace it as soon as possible when it is damaged, worn or bent, Sanli says; check the blade and its bolts before and after each mow, and have it sharpened and balanced at least once a year by a service agent.
After replacing: No reset needed.
How to change the blade in your Sanli PMS405
Watch the guide or follow the steps.
No clear video for this part yet. The steps cover it.
- 1Stop the engine and disconnect the spark plug cap. Wear protective gloves when you handle the blades.
- 2Tilt the mower on its side with the air filter and carburettor side up.
- 3Hold the blade disc still and undo the bolt that holds each swing-back blade to the disc.
- 4Fit each new blade with the bolt, washer and nut from the set so it swings freely on its bolt. Change all the blades on the disc together so it stays balanced.
- 5Tighten each blade bolt firmly, then turn the disc by hand to check that every blade swings freely and nothing rubs.
Every number this part goes by
- Retail name:
- JM7037
- Retail name:
- KSP-CB1
- Retail name:
- KSPCB1
Sellers list any of these; they are the same part.
About your Sanli PMS405
Sanli lawn mower — Power Mulch (June 2020 and before). Its blade is the packaged blade set KSP-CB1 (2 swing-back blades with bolts), part KSP-CB1.
Also in this lawn mower: NGK BPR6ES spark plug (every 12 months). Sanli recommends NGK BPR6ES or Torch F6RTC for its mowers, with a gap of about 0.7 mm, and says to check it every 25 hours. No manual for this older model was found, so this is Sanli's advice for its range.
Where the model number is: The model is on the label on the mower's deck or handle. Disconnect the spark plug lead, or take the battery or safety key out, before you tip the mower: the blade is sharp.
Fits these 6 Sanli models
LCS140, PMS140. Takes 4 swing-back blades: buy 2 packs of KSP-CB1 (2 blades each). Single blades are PSS-LB1.
The other 4 models. Sanli lists the KSP-CB1 packaged blade set (2 blades with bolts) and the single blade PSS-LB1; buy enough packs for every blade on the disc.
Common questions
- Which blade fits the Sanli PMS405?
- The Sanli PMS405 takes the Sanli packaged blade set KSP-CB1 (2 swing-back blades with bolts). Sanli lists the KSP-CB1 packaged blade set (2 blades with bolts) and the single blade PSS-LB1; buy enough packs for every blade on the disc.
- Where can I buy the KSP-CB1 in Australia?
- We track 2 Australian sellers for the KSP-CB1; the lowest listed price when we last checked was A$8.66 at Jakmax. Prices are re-checked daily and dated on this page.
- How do I fit the KSP-CB1 in a Sanli PMS405?
- 5 steps, listed on this page with the replacement video where the maker has one.
- What happens if I don't change it?
- A blunt blade tears the grass tips, which then brown, and a bent blade makes the mower vibrate and wears the engine or motor.
- Is there anything to reset afterwards?
- No reset needed.
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