Buy Caterpillar 5I9304 - SPRING at wholesale prices with easy payment and fast shipping options. Save up to 50% OFF OEM pricing. Compatible Machines:- ENGINE - MACHINE- EXCAVATOR Compatible Models:- 3054- 307- 307B Units Containing The Spare Part :- 114-1318 DRIVE GP-SWING (3054)- 114-1318 DRIVE GP-SWING (3054)- 136-2908 DRIVE GP-SWING (307B)- 148-1774 DRIVE GP-SWING (307B)- SWING DRIVE (1231469 N/S) (307B)- SWING DRIVE (1362908 N/S) (307B)- SWING UNIT (5TG00536-) - Part 1 of 3 (E70B)- SWING UNIT (For automatic swing brake) - Part 2 of 3 (5TG00536-) (E70B)- SWING UNIT (For swing brake, W/reverse swing damping valve) - Part 2 of 3 (E70B)