This is a brand new set of 4 Kingpin Bearings made by NTNN. This is the equivalent size of the genuine part number 09265-15005 and genuine part number 09265-15006. Compatible models: SJ30JA11JA12JB23JA71JA22 or any other seller other than our "mud toy meca" will not be sure, so please do not buy this product because it is made in China or mixed with low grade products. We do not wholesale to other companies. Quality is not guaranteed except for items sold by Mud Toy Mecha and shipped by AMAZON. Please do not purchase.