Headlight door reads on back side 1601118 and is made of plastic. 
 
I think it fits either side

I have other Cadillac parts to list as time permits .

Fits all 1973 models

 

  

Please make sure this item will fit your car.     

Shipping will be 10.00 in the lower 48 States
Can ship Internationally just email for shipping quote 
    
Payment must be received within 5 days of auction end
 

Please check out my other eBay auctions!