This heavy-duty brake booster is designed specifically for Isuzu NRR, NQR, NPR, and NPR-HD models from 1999-2020, compatible with both 4JJ1 3.0L and 4HE1 4.8L gas engines. The robust construction features a durable black-finished housing with precision-engineered mounting points and a reliable vacuum seal system. The unit comes complete with all necessary mounting hardware, including secure bolt fixtures and a properly sized mounting bracket. This brake booster enhances your vehicle's braking performance by providing consistent, responsive brake pedal feel and improved stopping power. Built to meet strict quality standards, this replacement part is designed to restore your braking system to optimal functionality. Perfect for fleet maintenance or individual vehicle repair, this brake booster ensures reliable operation under various driving conditions. Installation requires proper mechanical knowledge to ensure correct fitment and optimal performance.