FCX24M Gear for Axle

For FCX24M Discovery/Range Rover/Defender 110
¢Ù Front Axle Assembly: C3416, MUST paired with?FCX24M Front Axle Plastic Parts V2 (SKU=C3413V2)?
¢Ú Rear Axle Assembly: C3416, MUST paired with FCX24M Rear Axle Plastic Parts V2 (SKU=C3414V2)

For Defender 90
¢Ù Front axle: C3416, MUST paired with paired with FCX24M Front Axle Plastic Parts V2 (SKU=C3413V2)?