
Fuel Filter Plastic Nut that secures the filter element to the filter body. Fits all 6.5's in C/K trucks, Suburbans and Tahoes, 92- 2000.
This nut aka locking ring is made of plastic and has a tendency with age to strip or crack during routine maintenance of the filter.
Don't be caught having it break when you are replacing that fuel filter on the weekend, keep a spare on hand!