PAI FAH-4493 Hadley Air Horn | OEM 38MR4162 Outer Threads into the surge tank

Threads into the surge tank or radiator with a 1/4"-18 NPT Lockpatch fitting and reports coolant presence to the ECM/dash so the operator gets a low-coolant warning before overheating occurs

1003589069C

This DEF filter replaces or is equivalent to the following part numbers:

Detroit Diesel: 23511176 (superseded)

0625 in (611

PAI FAH-4493 Hadley Air Horn | OEM 38MR4162 Outer Threads into the surge tank26 inch chrome air horn from PAI Industries (FAH 4493) Hadley style trumpet replacement that crosses to Mack 38MR4162, 38MR4228M2, 38MR4228M4, 25080441, 25123119, and 25128061. Uses a 7 16"24 straight female port for direct connection to standard 1 4" air supply lines. Signs You Need a New Air Horn Weak, raspy, or muffled horn output Diaphragm chatter or no sound at all Visible cracks, dents, or corrosion in the trumpet Air leak at the inlet port or