Flex Technologies HH-112X25 1-1/8 in I.D. Blue Silicone Heater Hose | 25 Foot Roll Aftertreatment Temperature Sensor one sensor reports both oil

one sensor reports both oil pressure and oil temperature back to the ECM

Mann: C 21 431

It crosses directly to Cummins 4388378

Mann U58/9 KIT is a Diesel Exhaust Fluid (DEF/urea) filter cartridge kit for Detroit DD13 and DD15 selective catalytic reduction (SCR) systems on Freightliner and Western Star trucks

Mack: 38MR4162

Flex Technologies HH-112X25 1-1/8 in I.D. Blue Silicone Heater Hose | 25 Foot Roll Aftertreatment Temperature Sensor one sensor reports both oilFlex Technologies HH 112X25 silicone heater hose 1 1 8 in (1. 125 in) inside diameter, 25 foot roll, blue. Single ply polyester reinforced silicone construction meeting SAE J20 R3 heater hose service. Used as a cut to length replacement for stock rubber heater hose on Class 8 trucks, RVs, marine engines, and industrial coolant heat transfer plumbing where rubber tends to harden and crack from underhood heat cycling. Specifications Manufacturer Flex