A genuine Mountfield 46 cm (18 in) lawn‑mower blade is the perfect replacement for any Castel or Mountfield mower that uses a metal cutter. Engineered with a fully contoured shape, this blade cuts cleanly and guides grass straight into the collection bag, giving you a smoother, faster cut every time.
Key specifications
– Length: 46 cm / 18 in
– Width: 6 cm
– Centre hole: 2 cm (for easy mounting)
– Side‑hole spacing: 6.5 cm, side holes 1 cm wide
– Part numbers: 81004346, 181004346, and compatible variants
Fit for a wide range of models, including MOUNTFIELD EL46HP, EL46RPD, HP48EL, S420, CASTEL GARDEN series (CA484, CAL484, R484, etc.), and many XL‑series units. Simply remove the old blade, align the centre hole with the spindle, secure the side bolts, and you’re ready to mow.
Why choose this blade? It’s authentic OEM quality, forged from durable steel to resist wear and maintain sharpness season after season. No aftermarket compromises—just the exact fit and performance the original manufacturer intended.
Upgrade your mower today with this reliable Mountfield blade and enjoy a cleaner lawn with less effort. Perfect for homeowners and professionals who demand consistent results without the hassle of frequent replacements.





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