This heavy-duty alternator sliding bracket is precision-engineered for perfect compatibility with Chevrolet GMC and ISUZU NRR, NPR, NPR-HD, and NQR models equipped with 4HG1-T and 4HK1 engines from 2004-2008. The mount bracket features a durable zinc-plated finish that resists corrosion and wear, ensuring long-lasting performance in demanding conditions. Its specialized design includes strategic mounting holes and an elongated adjustment slot that allows for precise tensioning of the alternator belt. Crafted from high-strength steel, this adjuster plate provides the robust support needed for proper alternator alignment and operation. The bracket's curved profile and reinforced construction help distribute load evenly, while its compact form factor maintains optimal clearance within the engine bay. This replacement part matches original equipment specifications for seamless installation and reliable service.