✅ Vehicle & Engine Compatibility

• Isuzu Engine: 4HK1 5.2L, 4HK1-TCS (RJS)
• Isuzu Trucks: NPR, NPR-HD, NQR, NRR
• Application: Isuzu N-series medium-duty commercial trucks used in delivery, utility, and fleet service applications

🔧 Product Highlights

• Remanufactured to OEM Spec: Professionally rebuilt and pressure-tested common rail HP pump — restores original injection pressure and fuel delivery performance at a fraction of new OEM cost
• Direct-Fit Replacement: Engineered to match OEM specifications for 8973865583 / 294000-1181 — bolt-on installation with no modifications required
• Full N-Series Coverage: Fits Isuzu NPR, NPR-HD, NQR, and NRR — the most widely used medium-duty truck platform in North America for delivery and fleet operations
• Restored Injection Pressure & Timing: Rebuilt internal components deliver precise fuel metering for full engine power, reliable starts, and efficient operation under continuous load
• Significant Cost Savings: Remanufactured pricing delivers OEM-level performance at a fraction of new dealer cost — ideal for fleet maintenance and repair shop budgets

📦 What's Included

• 1 × Remanufactured Fuel Injection Pump (8973865583 / 294000-1181)

🔑 Key Specs

• Part Numbers: 8973865583 | 8973865582 | 8973865580 | 8973865584 | 294000-1181 | 294000-1180 | 294000-1182 | 2940001180 | 2940001181 | 2940001182 | 8-97386558-0 through 8-97386558-4
• Condition: Remanufactured
• Fits Engine: Isuzu 4HK1 5.2L, 4HK1-TCS (RJS)
• Fits Equipment: Isuzu NPR, NPR-HD, NQR, NRR medium-duty trucks

The Isuzu NPR, NPR-HD, NQR, and NRR are the backbone of medium-duty commercial fleets across North America — delivering goods, servicing equipment, and keeping businesses moving every day. When the 4HK1 injection pump fails, your truck goes down and deliveries stop. This professionally remanufactured HP pump restores full common rail pressure and injection performance, getting your Isuzu N-series truck back on the road at a price that makes sense for your fleet maintenance budget.