Buy Caterpillar 7N3503 - CYLINDER HEAD ASSEMBLY at wholesale prices with easy payment and fast shipping options. Save up to 50% OFF OEM pricing. Compatible Machines:- ENGINE - MACHINE- ENGINE - INDUSTRIAL- ENGINE - MARINE- PIPELAYER- TRACK-TYPE TRACTOR Compatible Models:- D342- D342C- D342- D342C- 583K- D8H- D8K Units Containing The Spare Part :- 7N3503 CYLINDER HEAD ASSEMBLY (D342)- 7N3503 CYLINDER HEAD ASSEMBLY--Replaced by 8N6000 shown on Page 26B-3a (D8H)- 7N3503 CYLINDER HEAD ASSEMBLY--Replaced by 8N6000 shown on Page 21G (D8H)- 7N3503 CYLINDER HEAD ASSEMBLY--Replaced by 8N6000 shown on Page 31H (D342C)- 7N3503 CYLINDER HEAD ASSEMBLY (D342C)- 7N3503 CYLINDER HEAD ASSEMBLY--Replaced by 8N6000 shown on Page 22C (D342)- 7N3336 CYLINDER HEAD GROUP (D342)- 7N3336 CYLINDER HEAD GROUP (D342)- 7N3803 CYLINDER BLOCK GROUP-FIELD INSTALLATION (D342)- 7N3803 CYLINDER BLOCK GROUP--Field Installation--Type 1 (D342)- 7N3803 CYLINDER BLOCK GROUP--Field Installation--Type 2 (D342)- 7N3803 CYLINDER BLOCK GROUP--Field Installation (D342)