I have willy's jeep and need master cyl but to order need to find out if it is one or the other cj2a,cj3a,mb,ma 41-51 and the other could be a cj3b,cj5,cj6 which I I know it isn,t a cj5. Thanks . I don't htink it is a m38 or m38a1 because it is a army jeep and... Login to read more.