AutoZone Inc , the largest U.S. auto parts retailer, reported a 7 percent rise in quarterly profit as costs fell.

Net income rose to $265.6 million, or $7.27 per share, in the third quarter, from $248.6 million, or $6.28 per share, a year earlier.

Revenue rose 4.5 percent to $2.21 billion.

(Reporting by Bijoy Koyitty in Bangalore)