Industrial 290KT00030 Engine Vacuum Pump

Description:

The Engine Vacuum Pump for Isuzu NPR 4HK1 / 4JJ1 (290KT00030 / 8975481860 / 97548186) is used in diesel engine braking and brake booster systems to generate vacuum pressure required for power brake assistance and vacuum-operated engine systems. Commonly installed in Isuzu NPR, NQR, and N-Series trucks where diesel engines do not naturally produce sufficient intake vacuum. Automotive diesel technicians and fleet maintenance teams use this vacuum pump for brake performance restoration, vacuum system repair, and replacement of worn or failed engine-driven vacuum pumps.

Applications:

The vacuum pump is commonly used in Isuzu NPR, NQR, and N-Series diesel trucks equipped with 4HK1 and related diesel engines where mechanical engine-driven vacuum generation is required to support brake booster operation, HVAC controls, emissions systems, and other vacuum-actuated components in medium-duty commercial truck applications.

Technical Specifications:

• Manufacturer: Isuzu / OEM or aftermarket replacement
• Model / Part number: 290KT00030 / 8975481860 / 97548186.5
• Product type: Engine-driven vacuum pump
• Engine compatibility: Isuzu NPR / NQR / N-Series diesel engines (4HK1 / 4JJ1 applications depending on year)
• Function: Generates vacuum pressure for brake booster and auxiliary systems
• Drive type: Engine mechanical drive (gear or belt driven depending on variant)
• Material: Aluminum alloy housing with internal rotor/vane mechanism
• Output: Vacuum pressure supply for braking system
• Mounting: Engine-mounted accessory position
• Application environment: Medium-duty diesel truck engine system
• Function role: Brake assist vacuum generation and system stability support

Common Replacements:

• Isuzu OEM vacuum pump assembly 8975481860 / 290KT00030
• Denso engine-driven vacuum pump for Isuzu diesel applications
• Aisin vacuum pump assembly (Isuzu NPR/NQR compatible unit)