Yukon Gear & Axle YA Alloy Rear Shaft Lug Spline

Yukon Gear & Axle YA alloy rear axle shafts are replacement and upgrade rear axle shafts (also called axle shafts or rear axles) for passenger car, truck and SUV differentials. Each shaft is built with a lug flange and a splined inner end, and it carries drive torque from the differential to the wheel.

Key Features:

• Alloy steel construction: Yukon's YA alloy rear axles are made from 1541H alloy steel. Factory axles are typically made from 1040-grade steel, and Yukon positions these shafts as a strength upgrade over stock.
• Forged and heat-treated: Yukon uses quality alloys and heat-treating processes to build shafts for hard street driving, trail use and track days.
• Lug and spline design: Each shaft pairs a wheel-lug flange with a precision-machined spline. The spline count and lug pattern are matched to the specific differential, and the exact specifications are listed on each individual part number.
• Direct replacement: These shafts are designed as drop-in replacements for worn, broken or stock axles. Some part numbers are also offered as cut-to-fit shafts.

Yukon Gear & Axle is a well-known name in ring and pinion gears, differential components, overhaul kits and axles. Choose the individual part number that matches your differential, spline count and lug configuration.