Crown Automotive 8122874K3 Door Lock and Knob (81-86 Cj-5,7,8/84-90 Xj Cherokee/Mj Comanche/87-90 Yj Wrangler W/Full Steel Doors Cylinder Kit) Contains 3 cylinders and 3 sets of keys; keys are not interchangeable Crown Automotive is the premiere manufacturer and distributor of quality replacement parts for Jeep The Crown line consists of axle, body, brake, clutch, cooling, driveline, electrical, engine, exhaust, fuel, steering, suspension, transmission and transfer case components