7Y4277 O-ring

7Y4277 is an O-ring used in Caterpillar equipment. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

Fitment

• Excavators: Caterpillar 312, 312B, 312C, 312C L, 313B, 314C, 365B, 365B II, 365B L, 365C, 365C L, 365C L MH, 374D L, 374F L, 385B, 385C, 385C FS, 385C L, 385C L MH, 390D, 390D L, 390F L, EL240B
• Front shovels: Caterpillar 385C, 5090B
• Mobile hydraulic power units: Caterpillar 365C L, 385C, 385C L
• Wheeled excavators: Caterpillar M318, M320

Specifications