25069303
Complete Window Assembly
Mack

A complete window assembly provides a secure, weather‑tight enclosure for cab glass, including the frame, glass, seals, and necessary hardware for a clean installation or replacement. In trucking, cabin visibility is fundamental for safety and comfort, and a window assembly must resist wind load, road spray, and temperature swings while maintaining ease of operation for opening and closing. The design typically integrates gaskets and weatherstripping to reduce wind noise and heat transfer, contributing to driver comfort and fuel efficiency by minimizing HVAC load. When replacing a window, verify the frame is free of corrosion and that mounting holes align with the existing body structure to avoid air leaks. Use compatible sealants and follow torque specs for mounting hardware to prevent stress cracking. Properly serviced windows support fleet uptime and driver satisfaction by reducing drafts and maintaining interior climate control. Source One Parts Center.