The ProFleet Vacuum Pump Pulley (OEM 8976577030) is a direct replacement for Isozu NPR, NQR, and N-Series 2020.5+ i-Series trucks with gas engines. Crafted from durable metal, it resists wear, corrosion, and heat, ensuring consistent performance in heavy-duty conditions. This pulley maintains proper belt alignment for the vacuum pump, supporting reliable brake booster operation. Designed as a direct fit, it requires no modifications, making it ideal for fleet maintenance. Meets or exceeds OEM specifications for dependable performance in commercial trucks.