4B3903 Hex Head Bolts, Phosphate and Oil Coated

4B3903 is a hex head bolt for Caterpillar equipment, including construction machinery, engines, generators, transmissions and industrial equipment. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

Fitment

• Articulated Truck: 735, 740, D250B, D250E, D250E II, D25D, D300B, D300E, D300E II, D400E II, D44B, D550B
• Backhoe: 931
• Cold Planer: PR-1000
• Compact Wheel Loader: 910
• Ejector Truck: 740, D400E II
• Excavator: 225
• Gas Engine: G3516, G353D, G399
• Gen Set Engine: 3145, 3150, 3160, 3208, 3304B, 3306, 3306B, 3406B, 3408, 3412, D379B
• Generator: SR4
• Generator Set: 3304B, 3306B, 3508, 3512, 3516, G3508, G3512, G3516, G3516H
• Industrial Engine: 3160, 3208, 3306, C15, C18, D342, D348, D353C
• Marine Engine: 3208, 3306B, D336, D337
• Petroleum Transmission: TH48-E80
• Pipelayer: 561M, 578, 594H
• Pneumatic Compactor: PS-500
• Pumper: SPF343C
• Quarry Truck: 771C, 771D, 775B, 775D
• Reclaimer Mixer: RM-350B
• Road Reclaimer
• Stabilizer Mixer: SM-350
• Track Feller Buncher: FB221
• Track Skidder: 517, 527, D4HTSK II, D4HTSK III, D5HTSK II
• Track-Type Tractor: 30/30, D11T, D4H, D4H XL, D5C III, D5H, D5H XL, D5M, D6H, D6H XL, D6H XR, D6M, D7H, D7R, D8H, D8K, D8R, D9E, D9G, D9H, DEUCE
• Tractor: 768C, 776C, 776D, 784B, 784C
• Transmission-Military: 7155
• Truck: 69D, 769C, 769D, 770, 772, 773B, 773D, 773E, 775D, 775E, 777B, 777D, 785, 785B, 785C, 785D, 789B, 789C, 789D, 793, 793B, 793C, 793D
• Truck Engine: 1140, 1145, 1150, 1160, 1673, 1676, 3208, 3306C, C15
• Underground Articulated Truck: AD40, AD45, AD45B, AD55, AE40, AE40 II
• Vibratory Compactor: CB-614, CS-551
• Wheel Loader: 980, 994F, 994H
• Wheel Scraper: 615C, 621E, 623E, 623F, 627E, 657E, 657G
• Wheel Tractor: 611, 613, 613B, 613C, 613C II, 615, 621B, 621E, 621F, 621G, 623G, 627E, 627F, 627G, 631E, 631G, 633E II, 637E, 637G, 651E, 657E, 657G
• Wheel Tractor-Scraper: 613G

Specifications