A compressor assembly including a motor (12) having a rotatable shaft (22), and a bracket (18, 20) attached to the motor. The bracket has fingers (64) extending substantially perpendicular to the shaft. The fingers have ends with engagement surfaces (74). A connecting rod (34) has a connecting end eccentrically connected to the shaft, and a piston end received in a cylinder sleeve. The cylinder sleeve (38) is supported by shelves (66) projecting from the fingers (64) and is interposed between the fingers. A valve head member (40) disposed above and in sealed engagement with the cylinder sleeve (38) is interposed between the fingers (64), and the finger engagement surfaces (74) retain the valve head member (40) in sealed engagement with said cylinder sleeve.