What's the difference in AC Delco rotors?
06-13-2011, 10:51 AM
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What's the difference in AC Delco rotors? AC Delco has part number 18A813 (GM#19175050) rotors for 49.66 each and part number 18A813A (GM#19241868) rotors for 32.63 each. What the heck is the difference between the two? I can't find anything in the descriptions except "rotor".
