Correct reproduction radiator overflow jar for 1973-75 Firebird models. Utilizing the correct blow form method, each jar is manufactured in correct clear plastic material and features molded in mounting stud with nut and ADD/FULL lines as original. For cap use 491032 (white lettering) or 494939 (blue lettering).
Note: Note: This is 1975 1st design jar, for 1975 2nd design use part number 10006782.
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