Lawnmower transmission assembly for lawnmowers 436, 443, and 543 models. Precision engineering, smooth operation, anti-rollback nut, secure attachment.

Complete replacement kit: Includes 1 transmission assembly and 1 complete accessory set – everything needed for a direct replacement on compatible models. Perfect fit for 443 and 543 brushcutters: Precision matched to original equipment specifications for seamless integration with 436, 443, and 543 brushcutter models. Heavy-duty gear construction: Constructed with durable materials designed to withstand repeated use in demanding grass-cutting conditions. Reverse-threaded locking nut: Features an anti-rollback design that secures firmly during operation and simplifies routine maintenance. Optimized gear ratio options: Available in multiple configurations: 28/9 teeth with 1.0 mm or 1.2 mm bolts, and 28/4 teeth with 1.2 mm bolts to meet varying power transfer requirements.