Gear-Countershaft 4303121

positive OEM
Fuller
Part# 4303121
note
Countershaft gear transmitting torque in Fuller manual transmissions
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Description

The Fuller Manual Transmission Countershaft Gear (4303121) is a critical drivetrain component that transmits torque within manual transmissions. It functions as an intermediary gear to transfer rotational force between shafts, enabling gear ratio changes essential for vehicle operation. This gear is engineered for use in heavy-duty commercial vehicle transmissions.

Key Specifications

  • Application: Manual transmissions, heavy-duty trucks
  • Function: Transfers torque between transmission shafts
  • Compatibility: Fuller transmission series
  • Construction: Alloy steel
  • Features: Tested for material hardness, gear tooth spacing, pitch diameter runout
  • Quality: OEM Fuller part

Shipping Info

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More Information

Current Part# 4303121
Type OEM
Manufacturer Fuller
Warranty Standard Manufacturer Warranty