2178938 Belt Tensioner Compatible for Caterpillar Engines 3406E, C15, C16, C18, C7, C9, C13, 3126, 3126B, 3126E, 3116, C27, C32, 3456 Replaces 1206659 7E3999

OEM Standard Replacement: 2178938, 217-8938, 1206659, 7E3999 Compatible with: Engines 3406E, C15, C16, C18, C7, C9, C13, 3126, 3126B, 3126E, 3116, C27, C32, 3456; Excavators 323D, 323D2, 336D, 336D2, 345D, 349D, 374D, 390D; Wheel Loaders 980G, 980G II, 980H, 986H, 988G, 988H, 990H, 826C, 826G II, 826H, 836G; Track-Type Tractors/Dozers D6T, D8T, 834G, 834H; Articulated Trucks 735, 735, 740; Kenworth, Peterbilt, International trucks equipped with CAT C15 / 3406E / C7 / C16 engine; C27, C32, 3406E Industrial Engine, 6040, 6030 Generator Set, RM-500 Road Reclaimer

• Replaces OE Numbers: 2178938, 217-8938, 1206659, 7E3999
• Compatible with: Engines 3406E, C15, C16, C18, C7, C9, C13, 3126, 3126B, 3126E, 3116, C27, C32, 3456; Excavators 323D, 323D2, 336D, 336D2, 345D, 349D, 374D, 390D; Wheel Loaders 980G, 980G II, 980H, 986H, 988G, 988H, 990H, 826C, 826G II, 826H, 836G; Track-Type Tractors/Dozers D6T, D8T, 834G, 834H; Articulated Trucks 735, 740; Kenworth, Peterbilt, International trucks equipped with CAT C15 / 3406E / C7 / C16 engine; C27, C32, 3406E Industrial Engine, 6040, 6030 Generator Set, RM-500 Road Reclaimer
• Premium Heavy-Duty Construction: Forged steel bracket, high-strength pulley, and durable internal spring for extreme vibration resistance and long service life in harsh working conditions
• Stable Performance: Automatic tension adjustment maintains proper belt tension, prevents slippage, reduces noise, and extends the life of belts, alternators, compressors and other accessories
• Easy Installation: Bolt-on design with no modifications required; ideal for construction machinery, mining trucks, generators and industrial engine maintenance
• After sales service: If you encounter any problems during the use of the product, please contact us first, and we can provide corresponding services according to your needs