Toyota Forklift Steering Knuckle 43212-23321-71 – 7F 8F FDZN

Toyota Forklift Steering Knuckle 43212-23321-71: Rear Axle Steering Pivot for 7F 8F FDZN Series

The Toyota 43212-23321-71 is a rear axle steering knuckle for 2-3 ton Toyota 7F, 8F, and FDZN series counterbalance forklifts. This cast steel component serves as the pivot point connecting the steering cylinder to the rear wheel hub assembly, translating hydraulic cylinder linear motion into rotational wheel movement for articulation steering. Weighing 3.1 kg with a 30x25x10 cm package, this is a load-bearing structural component that must withstand continuous steering forces, road impacts, and forklift pivoting stresses over thousands of operating hours.

As a Kingstream brand OEM-compatible replacement, this knuckle matches Toyota factory dimensions for pin bore diameter, kingpin angle, and mounting flange geometry. Installation requires removing the rear wheel, disconnecting the steering linkage from the worn knuckle, pressing out the kingpin, and reassembling with proper torque on all fasteners. A worn steering knuckle exhibits symptoms including excessive rear wheel camber change during turns, uneven tire wear on the rear axle, and steering wander due to kingpin bore ovality allowing the wheel hub to shift under load. Inspection during tire changes is recommended — any visible play at the kingpin joint or elongated mounting holes indicate replacement is needed.

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