Repair freezer Door shelves & Energy rating

I have a GE freezer [I]FP14SSCRWH with two door shelves that have broken or missing end caps. How do I replace the shelf bars and end caps? How is the rear end cap section inserted? The end cap prices seem very high approx $50.00 for small plastic parts. Is this price for end caps for all the shelves? If so, Can I buy smaller quantities?

Also, does anyone know the energy rating for this freezer? Should I replace it?
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Replacement parts for General Electric FP14SSCRWH Refrigerator | AppliancePartsPros.com

[COLOR=“Blue”]How do I replace the shelf bars and end caps?[/COLOR]
Looks to me that you put them onto the bar then insert the top clip (the longer one) in the slot. Then push the clip up till the bottom clip (shorter) will fit into the slot and then pull the clip down to lock it in the slot.
See the picture of the clips, if you click on the picture another page will open with more views.

[COLOR=“Blue”]How is the rear end cap section inserted?[/COLOR]
Not sure what you mean.

[COLOR=“Blue”]The end cap prices seem very high approx $50.00 for small plastic parts. Is this price for end caps for all the shelves?[/COLOR]
Looks like you just get a left and a right end cap but to be 100% sure you would have to contact the parts people.

[COLOR=“Blue”]If so, Can I buy smaller quantities?[/COLOR]
I would say no but I am not a parts person.