4137135020 Toyota SPIDER, FRONT DIFFERENTIAL, Price: 63.57$, Weight: 0.452kg
| Make | Number | Name | Availability | Weight, kg | Ship in, Days | Price |
|---|---|---|---|---|---|---|
Toyota |
4137135020 |
SPIDER, FRONT DIFFERENTIAL |
8 |
0.452 |
2-3 |
63.57$ |
Front Differential Spider Gear Set (OEM-Grade Fit)
Inside the front differential, this spider gear set is the small but critical part that lets the left and right front wheels rotate at different speeds while still sharing engine torque. It’s essential for smooth cornering, stable traction, and quiet 4WD/AWD operation ?⚙️.
Why This Part Is Needed
Whenever you turn, the inside wheel travels a shorter path than the outside wheel. The spider gears allow that speed difference without binding the drivetrain. They also balance torque between both axle shafts under normal driving.
How It Works
The gears sit on a cross pin inside the differential carrier. As the ring gear turns the carrier, the spider gears either rotate with the carrier (straight driving) or spin on the pin (during turns), letting each side gear move at its own speed ?.
What Happens If It’s Worn or Broken
Common Symptoms
- Clunking or knocking from the front axle area
- Grinding noise on turns
- Vibration, backlash, or uneven pull under load
- Metal flakes in differential oil ?️
If ignored, damage can spread to the carrier, ring & pinion, and even the CV axles—often leading to loss of drive and expensive rebuilds.