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How to Change a Lawn Mower Blade (Pulsar 21” Push Mower)

567 views· 14 likes· 2:16· Apr 29, 2026

🛍️ Products Mentioned (4)

Pulsar Push Mower- https://amzn.to/4tST0Xi Replacement mower blade - https://amzn.to/4cLHoy0 Ratchet wrench and sockets - https://amzn.to/4n1mJLk Breaker bar (for tight bolts) - https://amzn.to/4w1l64j Need to replace the blade on your lawn mower? In this quick video, I’ll show you how to change the blade on a Pulsar 21-inch push mower step-by-step. This is a simple job that can make a huge difference in how well your mower cuts. A sharp blade helps: ✔ Cut grass cleaner ✔ Improve lawn health ✔ Make mowing easier and more efficient What you’ll need: Replacement mower blade - https://amzn.to/4cLHoy0 Ratchet wrench and sockets - https://amzn.to/4n1mJLk Breaker bar (for tight bolts) - https://amzn.to/4w1l64j How to change your mower blade: 1 Tilt the mower back safely to access the blade 2 Use a breaker bar + 17mm socket to loosen the blade bolt 3 Remove the old blade 4 Install the mounting housing piece (align the notch) 5 Place the new blade in the correct direction 6 Reinstall the bolt and washer 7 Tighten everything securely That’s it — your mower is ready to go with a fresh, sharp blade. Check the links below for the blade and tools used in this video. Pulsar 21" Cutting Path 22" Deck 3IN1 SELF PROPELLED 200cc Gas Lawn Mower Egofine 46 Pieces 1/4 inch Drive Socket Ratchet Wrench Set, with Bit Socket Set Metric and Extension Bar for Auto Repairing and Household, with Storage Case WORKPRO 16-inch Dual Drive Breaker Bar, 3/8" & 1/2" Drive, Heavy Duty Breaker Bars with 360° Flex Head, Spring-loaded Detent Ball, CR-MO Head, Premium Chrome Vanadium Steel with Black Phosphate Finish Grasscool 406712 532406712 Mower Mulching Blade with Circle Mounting Pattern for Craftsman Husqvarna 21 inch Deck Push Walk Behind Lawnmower Replace 165833 175064 189028 532189028

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