supply of seal, old part no. 1616715600, valve, part no. 2200599799 &suction unit assembly , seal, old part no. 1616715600, new part no. 1837011451, make : atlas copco, suitable for p ortable atlas copco air compressor (model no. gx-3) [ warranty period: 12 months after the date of de livery ] ] , valve, part no. 2200599799, make : atlas copco, suitable for portable atlas copco air com pressor (model no. gx-3). [ warranty period: 12 months after the date of delivery ] ] , suction unit assembly, part no. 2202260953, make : atlas copco, suitable for portable atla s copco air compressor (model no. gx-3) [ warranty period: 12 months after the date of delivery ] ]