Buy Caterpillar 1W2804 - PISTON AS-COMPRESSOR at wholesale prices with easy payment and fast shipping options. Save up to 50% OFF OEM pricing. Compatible Machines:Compatible Models:Units Containing The Spare Part :- 1W6473 COMPRESSOR GP-AIR (3304)- 1W6473 AIR COMPRESSOR GROUP (3304)- 2P7800 AIR COMPRESSOR GROUP--Type 2 (3304)- 4N7634 AIR COMPRESSOR GROUP--Type 2 (3208)- IW6473 AIR COMPRESSOR GROUP (130G)