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Use thread sealant rated for engine coolant on the male pipe thread
LoneStar (2013-2018)
T370 Cross References
factory-fit on Caterpillar C9 through C15 (including ACERT) and Cummins ISX
and 3056 industrial / off-highway engines
Dayco 89440 Belt Tensioner For Cummins ISX │ Replaces Cummins 3691282 Kaper Use thread sealant rated forDayco 89440 automatic accessory drive belt tensioner for Cummins ISX, ISX15, X15, and QSX 15. 0L engines. Direct replacement for Cummins 3691282 (current EPA13 XPI service number), 4299091, 4299051, 3682946, and 2871292. Spring loaded one piece assembly with integrated idler pulley maintains constant belt tension across the alternator, water pump, fan, and AC compressor drive on the front of the engine. Signs You Need a New Belt Tensioner Squealing or
