Search result for: 4120169815
FINAL GEAR KIT, DIFFERENTIAL, FRONT
Part number: 4120169815
Availability: 2
Weight, kg: 6.794
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Make: Toyota
Made in: Japan

FINAL GEAR KIT, DIFFERENTIAL, FRONT
Part number: 4120169815
Availability: 11
Weight, kg: 6.794
Processing: 2-3 days
Make: Toyota
Made in: Japan

Substitutions
FINAL GEAR KIT, DIFFERENTIAL, FRONT
Part number: 4120180170
Availability: 0
Weight, kg: 6.9
Make: Toyota
Made in: Japan

FINAL GEAR KIT, DIFFERENTIAL, FRONT
Part number: 4120180172
Availability: 0
Weight, kg: 6.814
Make: Toyota
Made in: Japan

FINAL GEAR KIT, DIFFERENTIAL, FRONT
Part number: 4120180127
Availability: 0
Weight, kg: 6.848
Make: Toyota
Made in: Japan

Front Differential Final Drive Gear Set ⚙️
This gear set is the heart of the front differential, built to transfer engine torque from the driveshaft into the front axles with the correct ratio. It’s needed whenever the original gears are worn, noisy, chipped, or after bearing failure that marks the teeth. A healthy set keeps 4WD smooth, quiet, and strong on-road and off-road.
How It Works
The ring and pinion mesh together inside the differential housing. The pinion turns the ring gear, changing speed and multiplying torque. Correct tooth contact pattern and preload are critical—set by shims and bearings—to prevent heat, vibration, and premature wear.
What Happens If It’s Damaged
Broken or misaligned gears cause whining/howling on acceleration or coast, metal flakes in oil, harsh clunks, and binding in turns. If ignored, teeth can snap, locking the differential, damaging axles, and potentially leaving the vehicle without front drive when you need it most.
Compatible Models ✅
- Land Cruiser
- Land Cruiser 100
