O-Ring for WHAT? They aren't all the same. Any O-Rings from Horror Freight should be only used for something that probably isn't on a car. What on a car could possibly be properly repaired with their garbage?
There is the low end Chinese crap imitation Buna-N that is basically free but would be criminally negligent to use for anything on a car. The decent quality Buna-N that is about $0.10 for a 1/2"x1/16" O ring up to better ones used for fuel, different ones used for oil, and different ones yet used for R134a refrigerant. I do figure out the proper O-Rings to use on automobiles and substitute the proper material for OE rings on the parts I sell. My cost on a 1/2"x1/16" O-ring varies from the $0.10 per unit in quantity up to around $2.00. This is my cost in wholesale quantities, not what they sell for. Lots of legitimate $6.00 O-Rings used in automotive applications.
You can find more information on our web, so please take a look.
You will get efficient and thoughtful service from htob.
Want more information on O-Ring Sets? Feel free to contact us.