Product Info: - Part: A/C Compressor Seal Set - Classification: Gold - O Ring Maximum Inside Diameter: 0.862 inches / 21.895 millimeters - O Ring Minimum Inside Diameter: 0.276 inches / 18.7198 millimeters - O Ring Maximum Outside Diameter: 0.965 inches / 6.7564 millimeters - O Ring Minimum Outside Diameter: 0.335 inches / 8.