Mack 7MT253M Dual Air Pressure Gauge Replacement Genuine or piston seam

or piston seam

Aftermarket back-up switch from PAI Industries (807010) that ships with the matching connector and replaces Mack 1MR3482M

This silicone elbow replaces or is equivalent to the following part numbers:

AC Delco: PF2135

Kenworth Multiple Applications

Mack 7MT253M Dual Air Pressure Gauge Replacement Genuine or piston seamPAI 803460 mechanical dual needle air pressure gauge, a direct aftermarket replacement for Mack 7MT253M and 25167660 on Mack CH, CL, and CX model trucks. The dual needle layout shows primary and secondary air system pressure on a single dial a single gauge replacement for the OEM dash position. Silver black finish, 1. 99 in overall length, circular connector. Specifications Manufacturer PAI Industries Part Number 803460 Part Type Dual Air Pressure