Precision-Machined Corrosion-Resistant Fuel Filter Cover Direct OEM Replacement for ISUZU NKR NPR 4HG1 Engine

Name: Precision-Machined Corrosion-Resistant Fuel Filter Cover Direct OEM Replacement for ISUZU NKR NPR 4HG1 Engine
Brand: Yimi (Guangzhou) Automotive Parts Co, Ltd
SKU: ISUZU NKR Series, ISUZU NPR Series
Availability: InStock

Basic Properties

Place of Origin: China

Brand Name: YIMI

Certification: ISO/TS16949

Model Number: ISUZU NKR Series, ISUZU NPR Series

Trading Properties

Minimum Order Quantity: 10 pcs

Price: Negotiable

Payment Terms: T/T,

Supply Ability: 10000 pcs/month

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Specifications

Engine Applications:	ISUZU 4HG1 Diesel Engine (4.6L)	Part Numbers:	8-97172543-1, 8971725431, 8-97126076-0, 8971260760
Vehicle Models:	MK / NKR / NPR Series	Material:	High-strength Aluminum Alloy & Precision Bearings
Cooling Type:	Engine Coolant Circulation	Displacement:	4.6L (4570cc)
Valvetrain:	OHV	Sealing Surface:	Precision-Machined For O-Ring/Gasket Fitment
High Light:	ISUZU NKR NPR fuel filter cover , corrosion-resistant OEM fuel filter cover , 4HG1 engine replacement fuel filter

Product Description

Fuel Filter Cover 8-97172543-1 For ISUZU NKR NPR 4HG1 Engine 8971725431

OE-quality fuel filter cover provides secure sealing and proper fuel flow direction for the fuel filter housing, ensuring reliable filtration and fuel system integrity in ISUZU 4HG1 engines.

The Fuel Filter Cover (OEM Numbers: 8-97172543-1 / 8971725431 / 8-97126076-0 / 8971260760) is a premium-quality, direct replacement component designed specifically for ISUZU NKR and NPR series medium-duty trucks equipped with the 4HG1 diesel engine.

Part Number	8-97172543-1, 8971725431, 8-97126076-0, 8971260760
Product Name	Fuel Filter Cover / Filter Housing Cover
Car Model	ISUZU NKR Series, 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
Package	Neutral Packing Or Make It As Requested
Warranty	6 Months
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

OE Quality: Manufactured to strict ISUZU dimensional and material specifications for perfect fit and function.
Precision Machining: Sealing surfaces accurately machined for leak-proof sealing.
Durable Construction: High-grade cast metal withstands fuel system pressures and temperature extremes.
Corrosion-Resistant: Treated surfaces resist degradation from diesel fuel and environmental exposure.
Accurate Flow Ports: Precisely positioned ports ensure correct fuel flow direction through the filter.
Restores Sealing Integrity: Eliminates fuel leaks caused by cracked or warped covers.
Prevents Air Ingress: Proper sealing maintains fuel system prime and prevents hard starting.
Direct Replacement: Simple installation during fuel filter service or system repair.
Cost-Effective: Replaces faulty covers without needing to replace the entire filter housing.
Long Service Life: Engineered for reliable performance in heavy-duty commercial applications.

Vehicle & Engine Compatibility

This fuel filter cover is specifically designed for ISUZU medium-duty trucks. Common applications include:

ISUZU NKR - Light/Medium-Duty Trucks
ISUZU NPR - Medium-Duty Trucks
ISUZU MK Series - Medium-Duty Trucks

ISUZU 4HG1 Engine Specifications:

4-Cylinder, Inline Diesel
Displacement: 4.6L (4570cc)
Valvetrain: OHV
Widely used in NKR/NPR series trucks

Installation Notes

Simple installation - fuel system cleanliness is essential:

Relieve fuel system pressure - Follow manufacturer procedure to depressurize the fuel system.
Clean the housing area - Thoroughly clean the outside of the filter housing to prevent contamination.
Remove the old cover - Unscrew or unbolt the old fuel filter cover from the housing.
Remove the old O-ring/gasket - Carefully remove the sealing ring from the cover or housing groove.
Clean the housing - Clean the housing sealing surface and interior of any debris or old seal material.
Inspect the housing - Check the filter housing for cracks or damage; replace if necessary.
Prepare the new cover - Install a new O-ring or gasket into the groove on the new cover.
Lubricate the O-ring - Apply a thin film of clean diesel fuel or light oil to the O-ring for sealing.
Install the new cover - Position the new cover on the filter housing and secure with bolts/screws.
Tighten to specification - Torque the cover fasteners to manufacturer specification (do not over-tighten).
Prime the fuel system - Use the hand primer pump to fill the filter and purge air from the system.
Check for leaks - Start the engine and inspect the filter cover for any fuel leakage.

Quality Control

Material Verification: Confirms alloy composition meets OE strength and corrosion resistance specifications.
Dimensional Inspection: Outer dimensions, mounting holes, and sealing surface geometry verified against OEM tolerances.
Sealing Surface Inspection: Sealing surface flatness and finish checked for proper O-ring/gasket fitment.
Flow Port Verification: Port sizes and positions verified for correct fuel flow direction.
Hardness Testing: Material hardness verified for durability and wear resistance.
Pressure Testing: Sample units pressure-tested to ensure structural integrity.
Visual Inspection: 100% checked for casting defects, porosity, or machining flaws.
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 Fuel Filter Cover 8-97172543-1 For ISUZU NKR NPR 4HG1 Engine 8971725431, please contact our sales team for a competitive quote and expert technical support.