Yukon Gear & Axle YSPPN-040 Pinion Nut Washer is designed for use with select 10.5-inch, 11.5-inch, and 11.8-inch American Axle Manufacturing (AAM) differentials. This precision replacement washer supports proper pinion nut installation and helps maintain the correct relationship between the pinion hardware and differential assembly. It is a practical choice for differential rebuilding, gear setup, repair, and maintenance applications where dependable small parts are essential.
Yukon Gear & Axle manufactures a complete range of differential components, including ring gear bolts, crush sleeves, pinion nuts, washers, axle studs, and thrust washers. The YSPPN-040 reflects Yukon’s focus on providing the small parts needed to complete differential service and drivetrain repairs. Always compare the original component and verify differential application before installation to ensure proper compatibility.
This pinion nut washer is intended for automotive differential service and fits select applications across Dodge and Ram vehicles, including certain Ram 2500 and Ram 1500 models. Compatibility may vary by axle and differential configuration, so confirm the vehicle, axle assembly, and AAM differential size before ordering. Professional installation is recommended when servicing ring-and-pinion components, as correct setup procedures and torque specifications are critical for reliable differential operation.
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