Notes: 643329 SIDE FINAL DRIVE RING GEAR Z72 M3.9 is original CARRARO product. 643329 SIDE FINAL DRIVE RING GEAR Z72 M3.95 is commonly used in transmissions/axles/engines 643710, 643200, 643202, 643710, 643202, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849