ZF 4463 311 021 Sun Gear - 4463311021
Sun GearSun Gear (ZF 4463 311 021) — original and OEM-verified gearbox, differential and axle spare parts for earthmoving machinery and dump trucks. Express worldwide shipping. 1-year warranty.
Manufactured to ZF OEM gear tooth geometry and hardness specifications, ZF 4463 311 021 / 4463311021 Sun Gear maintains correct mesh and torque transmission at the designated ratio in gearbox assemblies for construction machinery and semi-trucks. Precision tooth profile and surface hardness ensure long service life. Ships with a 1-year warranty. Compatible with a wide range of heavy commercial vehicle and off-highway drivetrain applications.
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