Pinion Return Spring STD

The Quarter Master Pinion Return Spring STD (Part No. 11402901) is a vital component designed for maintaining proper pinion gear geometry in transmission and differential assemblies. This standard-duty spring is suitable for vehicles that require reliable gear engagement and smooth shifting characteristics.

Constructed from precision-wound steel, this return spring ensures consistent preload on the differential carrier, which is crucial for optimal performance. Its compact design, weighing just 0.05 lbs and measuring 1.8 x 1 x 4.15 inches, allows it to fit seamlessly within tight transmission housings while delivering reliable mechanical behavior.

This component is essential for anyone involved in rebuilding or modifying manual transmission and differential assemblies where OEM spring replacement is necessary. Proper installation requires access to the transmission or differential housing, ensuring that the vehicle operates efficiently under various driving conditions.