supply of hp piston assly kithp piston assly kit,hp piston assembly consists of 4 items. 1) hp piston, to gd pt.no. 300wln015/emd pt no. 40181295, qty = 01/kit. 2) hp piston roller bearing to gd pt no 12gd19/emd pt no. 8422002 qty = 02/kit. 3) piston pin retaining ring to gd pt. no 65w33/emd pt no 8421999/274621, qty 04/kit. 4)h p piston pin to gd pt.no 300wbo505/emd pt no. 40181296, qty = 1 kit for gd make water cooled co mpressor model no. wlna 9bb [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]