8F4994 NBR O-Ring for Caterpillar Equipment

The 8F4994 O-ring is a standard sealing ring made of nitrile rubber (NBR) for Caterpillar equipment, including engines, generators, construction machinery, industrial engines, marine products and other heavy equipment listed below. It is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The seal is suitable for axial and radial sealing applications where the specified 8F4994 part number and dimensions are required.

Fitment

• Generator: SR4
• Wheel tractor-scraper: 631D, 631E, 631G, 633D, 633E II, 637D, 637E, 637G, 639D, 651E, 657E
• Marine products: 3192, 3208, 3408, 3408B, 3412, 3508, 3512, 3516, 7251, D315, D337, D342, D342C, D343, D353C, D353D, D353E, D364, D375D, D379A, D379B, D397D, D398A, D398B, D399
• Wheel dozer: 834
• Engine - truck: 3408, 3408B, C-10
• Articulated dump truck: D44B, D550B
• Track-type tractor: 11U, 11, 11SU, 183B, 57H, 8, 8A, 8D, 8S, 8SU, 8U, D10R, D11N, D8H, D8K, D8N, D8R, D8R II, D9E, D9G, D9H, D9R
• Engine-machine: 3408
• Pipelayer: 583H, 583K, 594, 594H
• Petroleum products: CX35-P800
• Off-highway truck: 69D, 768C, 769C, 769D, 771C, 771D, 772B, 773B, 773D, 773E, 775B, 775D, 775E, 776B, 777B, 785
• Engine - industrial: 3208, 3408, 3408B, 3408C, 3412, 3412C, 3412E, 3508, 3512, 3516, C27, C32, CG137-12, D320A, D342, D342C, D343, D353C, D353D, D353E, D379, D379B, D398, D398B, D399, G3408, G3408B, G3408C, G3412, G3412C, G342C, G3512, G3516, G353D, G379, G379A, G398, G399
• Expanded mining products: 6030C27
• Engine-generator set: 3408, 3408B, 3408C, 3412, 3412C, 3508, 3512, 3516, CG137-12, D379B, D398B, D399, Power Sys, SR4, XQG400
• Track-type loader: 955C, 977D

Cross-reference numbers

• 8F-4994
• 8F4994
• SAE AS568 dash size: -317

Specifications