The Castel 51 cm Lawn Mower Blade is the exact OEM replacement for Champion models R534SPH, R534TR and RL534TR (and other Castel‑Garden, Lawnking and Sovereign machines). Made from hardened premium steel, this 510 mm blade delivers a clean cut, better mulching and smoother grass collection while using less engine power.
Key specifications
– Length: 51 cm (510 mm)
– Width: 5.8 cm (58 mm)
– Central mounting hole: 1.8 cm (18 mm)
– Side mounting hole: 0.8 cm (8 mm)
– Part number: 181004381/1 (or 81004381/1)
Why choose this blade?
– Improved mowing performance – sharpened edges and tapered ends lift grass for efficient collection.
– Enhanced mulching – finer cut leaves a finer mulch that feeds the lawn naturally.
– Lower fuel consumption – smoother cutting reduces engine load.
– Easy installation – bolt‑on design fits the original mounting holes; removal is just as simple.
– Long service life – heat‑treated steel resists wear and rust.
Compatible with a wide range of Castel‑Garden series (e.g., 504 TR, 534 TR3S, TRH, WSH4) and other brands that share the same blade dimensions. Replace your worn blade with confidence—restore peak performance and keep your lawn looking its best.
Keywords: Castel lawn mower blade, 51 cm replacement blade, Champion R534SPH blade, RL534TR spare part, premium steel mower blade.
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