Oil Pump Assembly 8-97147338-0 For Isuzu NPR66 4HF1 8971473380 Truck Parts
| Part Name: | PUMP ASM; OIL | Part No: | 8-97147338-0, 8971473380, 8-98017585-0, 8980175850 |
| Vehicle Applications: | ISUZU NPR66 | Engine Application: | ISUZU 4HF1 (3.9L Diesel) |
| Vehicle Model Code: | NKNPXD | Pump Type: | Gear-type Or Rotor-type (OE Design) |
| Drive Type: | Gear-driven (from Crankshaft) | Pressure Relief Valve: | Integrated (set To OE Specification) |
| Material: | Cast Iron / Aluminum Housing, Hardened Steel Gears | Fitment: | OEM Standard, Direct Replacement |
| Condition: | Brand New | H/S Code: | 841330000 |
| High Light: | Oil Pump Assembly for Isuzu NPR66,Isuzu 4HF1 truck oil pump,Isuzu NPR66 oil pump assembly |
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Oil Pump Assembly 8-97147338-0 For Isuzu NPR66 4HF1 8971473380 Truck Parts
Product Description
Function:
Engine oil pump circulates pressurized oil to bearings, pistons, camshaft, and valve train. Ensures proper lubrication, cooling, and cleaning of engine components for Isuzu 4HF1 diesel engines.
Product Description:
The Oil Pump Assembly (OEM Numbers: 8-97147338-0 / 8971473380 and 8-98017585-0 / 8980175850) is a premium-quality, direct replacement engine lubrication component designed for Isuzu NPR66 medium-duty trucks equipped with the 4HF1 diesel engine.
| Part Number: | 8-97147338-0, 8971473380, 8-98017585-0, 8980175850 | Product Name: | Oil Pump Assembly / Engine Oil Pump |
|---|---|---|---|
| Car Model: | ISUZU NPR66 | Engine Model: | ISUZU 4HF1 (3.9L Diesel) |
| Condition: | 100% Brand New | Size: | Standard |
| Weight: | Standard | Origin: | China Mainland |
| Main Market: | Middle East ,Asia,Africa, South America, North America &Europe | Package: | Neutral Packing Or Make It As Requested |
| Warranty: | 6 Monthes | Price &Stock: | Please Contact Us To Get More Information |
| Material: | High-strength aluminum alloy & precision bearings | Cooling Type: | Engine coolant circulation |
| Installation: | Direct OEM replacement | Quality Standard: | OEM equivalent / ISO quality control |
Features & Advantages
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OE Quality: Manufactured to Isuzu dimensional and material specifications for perfect fit and reliable oil pressure.
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Precision Gears/Rotors: Hardened and ground to tight tolerances for consistent flow and minimal noise.
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Integrated Pressure Relief Valve: Prevents over-pressurization at high RPM, protecting oil filter and seals.
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Durable Housing: Corrosion-resistant cast iron or aluminum construction withstands engine heat and vibration.
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High Flow Capacity: Delivers adequate oil volume for turbocharger cooling and piston jets under high load.
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Restores Engine Protection: Eliminates low oil pressure, knocking, and bearing wear.
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Direct Replacement: Matches OE mounting holes, drive gear interface, and oil passages.
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Cost-Effective: Affordable alternative to genuine OEM without compromising reliability.
Vehicle & Engine Compatibility
This oil pump assembly is specifically designed for Isuzu NPR66 trucks with 4HF1 engine.
Isuzu Truck Models:
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ISUZU NPR66 (medium-duty truck, 4HF1 engine)
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May also fit other Isuzu trucks using the 4HF1 engine (e.g., NKR, NPR59, NPR70) – verify.
Engine Specification – ISUZU 4HF1:
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4-Cylinder, Inline Diesel, Direct Injection
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Displacement: 3.9L (3856cc)
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Application: NPR66, NKR, and industrial equipment
Installation Notes
Installation steps (overview):
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Drain engine oil – remove oil pan and clean sealing surfaces.
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Remove old oil pump – unbolt from engine block. Note gasket or seal orientation.
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Clean mounting surface – remove old gasket material. Ensure no debris falls into the engine.
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Prime the new oil pump – fill with clean engine oil or pack with assembly lube to ensure immediate suction on startup.
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Install new pump – use new gasket or O-ring. Torque mounting bolts to specification (typically 20-30 Nm).
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Reinstall oil pan – with new gasket or sealant. Torque pan bolts.
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Install new oil filter – pre-fill if possible.
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Refill with new engine oil – correct grade and quantity.
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Prime the lubrication system – disable fuel system (e.g., pull fuel pump fuse) and crank engine for 10-15 seconds until oil pressure light goes out. Do not start yet.
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Start engine – check oil pressure light goes off immediately. Inspect for leaks.
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Test drive – verify normal oil pressure and no unusual noise.
Quality Control
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Material Verification: Housing and gear alloy composition tested.
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Dimensional Inspection: Gear clearances, housing bore diameters, and mounting flange verified.
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Flow/Pressure Test: Pump tested on a test bench for flow rate and pressure at specified RPM.
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Relief Valve Test: Valve opening pressure verified.
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Wear Test: Sample pumps run for durability cycles.
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Visual Inspection: 100% checked for casting defects, burrs, or contamination.
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Packaged Safely: Pump sealed in plastic bag, boxed with foam to protect ports and drive gear.
Packaging and Delivery
- Neutral export packing or customized packaging available
- Carton or wooden case for safe transportation
- Fast delivery for stock items
- Shipping by Express Air or Sea
Inquiry
For pricing, availability, or bulk purchase of the Oil Pump Assembly 8-97147338-0 For Isuzu NPR66 4HF1 8971473380 Truck Parts, please contact our sales team for a competitive quote and expert technical support.
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