1N5999 Straight Thread O-Ring Hex Head Plug

1N5999 is a straight thread O-ring hex head plug used in Caterpillar equipment, including construction machinery, engines, generator sets, and industrial power units. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

Fitment

• Articulated trucks: 725, 725C, 730, 730C, 735, 740, D250E, D250E II, D300E, D300E II.
• Asphalt pavers: AP-755, BG-2455D, BG-245C.
• Backhoe loaders: 446, 446B, 446D.
• Challenger tractors: 65, 65E, 75, 75C, 75D, 75E, 85C, 85D, 85E, 95E, MTC835.
• Cold planers: PM-102, PM-201, PM-465, PM-565, PM-565B.
• Combines and forwarders: 480; 584.
• Excavators: 235B, 235C, 235D, 245, 245D, 320 L, 320N, 322C, 322C FM, 324D, 324D FM, 324D L, 324D LN, 325, 325C, 325C FM, 325D, 325D FM, 325D L, 328D LCR, 329D L, 330 L, 345B, 345B II, 345B II MH, 345B L, 365B, 365B II, 365B L, M325D L MH, M325D MH.
• Gas, industrial, truck, marine and petroleum engines: G3406, G3408, G3412, G3508, G3512, G3516, 3126, 3126B, 3126E, 3176, 3176B, 3176C, 3196, 3406, 3408E, 3412E, 3508, 3508B, 3508C, 3512, 3512B, 3512C, 3516, 3516B, 3516C, C-10, C-12, C12, C15, C30, C32, C7, C9.3, D348, D353C.
• Generator sets and power modules: 3508, 3508C, 3512, 3512B, 3512C, 3516, C32, G3412, G3508, G3512, G3512E, G3516, G3516C, G3516E, G3520C, G3520E, PM3512, PM3516, PMG3516.
• Integrated toolcarriers: IT38G, IT38G II, IT38H, IT62G II, IT62H.
• Landfill and soil compactors: 816F, 826C, 826G, 826G II, 836, 836G, 815B, 815F, 825G, 825G II.
• Load-haul-dump machines: R1300, R1300G, R1600, R1600G, R1600H, R1700 II, R1700G, R2900, R2900G, R3000H.
• Motor graders: 120G, 120H, 120H ES, 120H NA, 120K, 120K 2, 120M 2, 12G, 12H, 12H ES, 12H NA, 12K, 12M, 12M 3, 130G, 135H, 135H NA, 140G, 140H, 140H ES, 140H NA, 140K, 140K 2, 140M, 140M 3, 143H, 14G, 14H, 14H NA, 14M, 160G, 160H, 160H ES, 160H NA, 160K, 160M 3, 163H, 163H NA, 16G, 16H, 16H NA, 16M, 24H, 24M.
• Pipelayers and quarry trucks: 561N, 572R II, 583T, 589; 771D, 775B, 775D.
• Skid steer, track and wheel loaders: 216, 228, 953C, 963C, 930G, 936F, 938G, 938G II, 938H, 950F, 950F II, 950G II, 950H, 950K, 960F, 962G II, 962H, 962K, 966F, 966F II, 966G II, 966H, 966K, 970F, 972G II, 972H, 972K, 980C, 980F, 980F II, 980G, 980K, 988B, 988F, 988F II, 988G, 990, 990 II, 990H, 990K, 992C, 992D, 992G, 992K, 993K.
• Track-type tractors: 30/30, D10N, D10R, D11N, D11R, D11T, D4H, D4H XL, D5N, D6H, D6H XL, D6H XR, D6N, D6R, D6R II, D6R III, D6R STD, D6T, D7E, D7E LGP, D7H, D7R, D7R II, D7R XR, D8L, D8N, D8R, D8T, D9L, D9N, D9R, D9T, DEUCE.
• Trucks and underground articulated trucks: 69D, 769C, 769D, 773B, 773D, 773E, 775D, 775E, 793C, 797, 797B, 797F, AD30, AD40, AD45, AD55, AE40, AE40 II.
• Vibratory compactors: CB-534C, CB-534D, CB-54, CB-564D, CB-634C, CB-634D, CB-64, CP-433C, CP-433E, CP-44, CS-423E, CS-433E, CS-44.
• Wheel dozers, scrapers, tractors, harvesters and skidders: 814F, 824C, 824G, 824G II, 834B, 834G, 844, 844H, 844K, 854G, 854K; 615C, 657E; 611, 621, 621B, 631D, 631E, 631G, 633D, 633E II, 637D, 637E, 637G, 651E; 570B, 580B; 508, 525C, 535C, 545C.
• Other listed applications: M325C MH, W345B II, 5110B, 322C logger, RT50, TH62, TH63, TH82, TH83, TK1051, CPT372, SBF214, SPP101, SUF557, 324D LN, 325C, 325D, 3508, 3512, 3516.

Specifications