Structural Reinforcement System for Volvo FH Door Extension 84389462

Engineered to address Volvo FH Door Extension 84389462 corrosion issues in commercial fleets, these galvanized steel panels feature laser-cut alignment notches matching original cab dimensions within ±0.3mm tolerance. The right-side component (84389462) incorporates triple-layer zinc coating for Baltic coastal operations, while the left panel (84412118) uses impact-resistant ribbing for urban delivery environments. Pre-treated epoxy surfaces prevent salt crystallization in door cavities, maintaining hinge alignment through 500,000+ operational cycles. Cold-rolled 1.5mm steel maintains structural integrity at -40°C to +80°C, with embossed part numbers ensuring correct orientation during fleet maintenance procedures.

Cross-Model Fitment Specifications

• ▶ Volvo FH16 Sleeper Cabs (2005-2012)
• ▶ FM Series Dump Trucks (2008-2016)
• ▶ Right-hand drive configurations
• ▶ Euro 4/5/6 emission variants

Direct bolt-on replacement requiring only standard M10 sockets for installation. Pre-punched mounting holes align with original cab reinforcement points, eliminating drilling modifications. Compatibility verified through VIN range analysis for 98% of FM/FH Series vehicles produced between Q2 2005 and Q3 2016.