This compressor is updated to a manifold with 1 mounting bolt. OEM style compressor has 2 mounting bolts and requires a different manifold.Includes:• 88146210 (Compressor)• 888301096 (Mount w/ Hardware)• 888301232 Spacer Kit (Includes: 8811100 Binary Switch, 88965170 Adapter, 881181 Pigtail Connector, Spacer w/ 10 x 110 MM & 3/8 x 4-3/8 Bolts, R60171 Plate, 88415 A6 O-Rings & 884302100 Sanden Pad O-Rings)The 888301086 Compressor Conversion Kit, Delco A6 to Sanden Style fits equipment brands such as: John Deere, Massey Ferguson