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OE/OEM Part Number: 45720-3B831
Manufacturer Part Number: 45832-3B810
This good used final drive ring gear and pinion fits 2009-2013 Hyundai Sonata and Kia Optima A6MF2 six speed automatic transmissions mated to 2.4L motors. Transfer driven gear is 49 tooth, Pinion is 18 tooth, Ring gear is 53 tooth with 10 bolt holes.