This Spicer 139974 Axle Differential Bearing Race Tapered Roller Cup Bearing Cup is a high-quality replacement part for your car or truck. With a bore diameter of 5 inches, it is suitable for rear placement on both the left and right sides. It is a universal fitment part that conforms to the California Prop 65 Warning for Cancer and Reproductive Harm. Made in Korea, this DANA Spicer bearing has a vintage part type, and it comes with interchangeable part numbers VMRS 022003084, 3032353, and 131206. Purchase this reliable bearing and improve your vehicle's performance today.