Here is a Plane Plastics Stationary Panel. Their part number is K0 413467-5. Their current listing price is $155 plus shipping. I have a new unused one for $100 plus shipping from the Columbus, Ohio area. Photos are of the actual item..

Fits 150 J, K, L, M and A150K, L, and M.


John Deere tractor grease not included.

Attachments
P1050047.JPG (1.49 MB, 148 downloads)
Manufactures sticker
P1050050.JPG (1.49 MB, 153 downloads)
Actual item