2K4973 Hex Head Self-locking Nut for Caterpillar Equipment

2K4973 is a hex head self-locking nylon locknut used on Caterpillar equipment, including construction, agricultural, industrial, engine, generator and marine applications. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

Fitment

• Backhoe Loaders: 414E, 416B, 416C, 416D, 416E, 416F, 420D, 420E, 420F, 422E, 422F, 424D, 426C, 428B, 428C, 428D, 428E, 428F, 430D, 430E, 430F, 432D, 432E, 432F, 434E, 434F, 436C, 438C, 438D, 442D, 442E, 444E, 444F, 446B, 446D, 450E, 450F
• Challenger Tractors: 35, 45, 55, 65, 65C, 65E, 70C, 75, 75C, 75D, 75E, 85C, 85D, 85E, 95E, MTC835
• Cold Planer: PR-750B
• Compact Track Loaders: 259B3, 259D, 279C, 279C2, 279D, 289C, 289C2, 289D, 299C, 299D, 299D XHP
• Compact Wheel Loaders: 910, 914G
• Excavators: 215, 215B, 215D, 225, 225D, 229, 231D, 235, 235B, 235C, 245, 245B, 245D
• Field Cultivator: TL5 30
• Gas Engines: CG137-08, CG137-12, G3304B, G3306, G3306B, G3406, G3408, G3408B, G3408C, G3412, G342C, G3508, G3508B, G3512, G3516, G3520B, G3606, G3606B, G3608, G3612, G3616
• Gen Set Engines: 3208, 3304, 3304B, 3306, 3306B, 3406, 3406B, 3406C, 3406E, 3408, 3408B, 3412, 3412C, 3456, 3508, 3508B, 3512, 3512B, 3516, 3516B, G3412C, G3508, G3512, G3516, G3516B, G3520B
• Military Gen Set: 3608
• Generator Sets: 3304B, 3306B, 3406C, 3406E, 3408C, 3412, 3412C, 3456, 3508, 3508B, 3508C, 3512, 3512B, 3512C, 3516, 3516B, 3516C, C13, XQ350, C15, C15 I6, C18, C18 I6, C27, C32, G3406, G3412, G3508, G3512, G3516, G3516B, G3520B
• Hydraulic Controls: 173B, 183B
• Industrial Engines: 3176B, 3208, 3304, 3306, 3306B, 3406, 3406B, 3406C, 3406E, 3408, 3408B, 3408C, 3408E, 3412, 3412C, 3412E, 3456, 3508, 3508B, 3512, 3512B, 3512C, 3516, 3516B, C-15, C-16, C15, C18, C27, C32
• Integrated Toolcarriers: IT12B, IT14G, IT14G2, IT18, IT18B, IT24F, IT28, IT28B, IT28F, IT28G, IT38F, IT38G, IT38G II, IT38H, IT62G, IT62G II, IT62H
• Landfill Compactors: 816B, 826C
• Locomotive Engines: 3508, 3508B, 3508C, 3512, 3512B, 3512C, 3516B, 3516C
• Logger: 227
• Marine Auxiliary Engines: 3508B, 3508C, 3512, 3512B, 3512C, 3516B, 3516C, 3608, C32

Specifications