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Power Steering Oil Pump Assembly 8-98006793-4 For ISUZU NPR 4HG1 8980067934
Precision-engineered power steering oil pump delivers consistent hydraulic pressure for smooth, responsive steering operation in ISUZU NPR trucks with 4HG1 diesel engines.
Product Overview
The Power Steering Oil Pump Assembly (OEM Numbers: 8-98006793-4 / 8980067934) is a premium-quality, direct replacement hydraulic component designed specifically for ISUZU NPR series medium-duty trucks equipped with the 4HG1 diesel engine.
Part Number:
8-98006793-4, 8980067934
Product Name:
Power Steering Oil Pump Assembly / P/S Pump
Car Model:
ISUZU NPR Series
Engine Model:
ISUZU 4HG1 Diesel Engine (4.6L)
Condition:
100% Brand New
Origin:
China Mainland
Main Market:
Middle East, Asia, Africa, South America, North America & Europe
Warranty:
6 Months
Material:
High-strength aluminum alloy & precision bearings
Cooling Type:
Engine coolant circulation
Features & Advantages
OE Quality: Manufactured to strict ISUZU dimensional and performance specifiions for perfect fit and function
Precision Hydraulic Performance: Provides consistent flow and pressure for responsive steering
Durable Construction: High-grade aluminum housing and precision bearings for long service life
Integrated Flow Control: Maintains optimal fluid delivery across the engine speed range
Integrated Pressure Relief: Prevents system over-pressurization and protects steering components
Leak-Resistant Seals: High-quality seals prevent fluid leakage and system contamination
Restores Steering Response: Eliminates heavy steering and erratic assist
Smooth Operation: Reduces steering noise and vibration
Direct Replacement: Simple installation during power steering system service
Protects System Components: Proper pump function prevents contamination and damage to the steering rack/gearbox
Vehicle & Engine Compatibility
This power steering pump is specifically designed for ISUZU medium-duty trucks. Common appliions include:
ISUZU NPR – Medium-Duty Trucks (various models)
ISUZU NPR HD – Heavy-Duty Variants
ISUZU NQR (select models with 4HG1 engine)
ISUZU 4HG1 Engine Specifiions:
4-Cylinder, Inline Diesel
Displacement: 4.6L (4570cc)
Valvetrain: OHV
Widely used in NPR series trucks
Installation Notes
Professional installation recommended. Proper steering system preparation is essential:
Relieve system pressure – Cycle the steering wheel several times with the engine off to relieve pressure
Drain power steering fluid – Drain the fluid from the power steering reservoir
Remove the drive belt – Loosen and remove the drive belt from the pump pulley
Disconnect hoses – Carefully disconnect the pressure and return hoses from the pump
Remove the old pump – Unbolt and remove the power steering pump from the engine bracket
Remove the pulley – If required, remove the pulley from the old pump (if not transferring to the new pump)
Clean the mounting area – Clean the engine mounting bracket and surrounding areas
Prepare the new pump – Install the pulley onto the new pump if not pre-installed
Transfer fittings – Transfer any necessary fittings from the old pump to the new pump
Prime the new pump – Fill the new pump with clean power steering fluid before installation
Install the new pump – Position the new pump and install mounting bolts
Torque to specifiion – Tighten bolts to manufacturer specifiion
Reconnect hoses – Reconnect the pressure and return hoses with new O-rings/seals
Reinstall the drive belt – Install the drive belt and adjust tension to manufacturer specifiion
Refill with fluid – Fill the reservoir with the correct type of power steering fluid
Bleed the system – Start the engine and turn the steering wheel lock-to-lock several times to bleed air
Check fluid level – Recheck and top up the fluid level as needed
Check for leaks – Inspect all connections for fluid leakage
Test drive – Road-test the vehicle to verify smooth, responsive steering operation
Quality Control
Material Verifiion: Confirms housing and internal component materials meet OE specifiions
Dimensional Inspection: Mounting points, shaft dimensions, and port positions verified against OEM tolerances
Flow and Pressure Testing: Pump output verified at various operating speeds
Leak Testing: 100% tested for internal and external leaks
Noise and Vibration Testing: Pump operation verified for smooth, quiet performance
Bearing Durability Testing: Shaft and bearing integrity confirmed
Visual Inspection: 100% checked for casting defects, machining flaws, or damage
Packaged Safely: Protected and securely boxed to prevent damage during transit
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 Power Steering Oil Pump Assembly 8-98006793-4 For ISUZU NPR 4HG1 8980067934, please contact our sales team for a competitive quote and expert technical support.
Yimi (Guangzhou) Automotive Parts Co., Ltd.
Located in Guangzhou—the economic and transportation hub of Southern China—we are a specialized supplier and exporter with over 20 years of experience in the automotive parts industry. We focus on the production and sales of high-quality ... Yimi (Guangzhou) Automotive Parts Co., Ltd.
Located in Guangzhou—the economic and transportation hub of Southern China—we are a specialized supplier and exporter with over 20 years of experience in the automotive parts industry. We focus on the production and sales of high-quality ...
