KarParts360 For Mercury Cougar 1990-1997 Differential Ring and Pinion Gear Set | 3.55 Gear Ratio | Replacement For 3L1Z4209AA, 5L3Z4209B

Part: Differential Ring and Pinion Gear Set OEM Number: 3L1Z4209AA, 5L3Z4209B, 8R3Z4209C, E3TZ-4209-J Gear Ratio: 3.55 Made From The Highest Quality Materials Brand New - Sealed in a Box