I. OEM Part Number
40048044
19244836
II. Compatibility
This unit has the large heavy duty bearing hub that fits any model of GM/Chev pickup or car that has an 8.5" or 8.6" rear axle assembly, by using the proper bearing combination. OUR PRICE INCLUDES NEW BEARINGS AND RACES TO ENSURE THIS UNIT WILL FIT ANY MODEL OF 8.5 OR 8.6 REAR AXLE ASSEMBLY. Fits 2.73 - 5.13 ratios.