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{"title":"BL0CK ASM CYL NPR 4HG1 4HG1-T 4HF1 8982045330","imgUrl":"https:\/\/img.chinax.com\/nimg\/b5\/65\/486b19b43672c3be4efdee332582-200x200-1\/bl0ck_asm_cyl_npr_4hg1_4hg1_t_4hf1_8982045330.jpg","attrs":{"Model Number":"NPR 4HG1 4HG1T 4HF1","Place of Origin":"China","Minimum Order Quantity":"5 PCS","Supply Ability":"10000pcs\/month"}}
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{"title":"NPR 4BD2 3.9L CYLINDER HEAD 8971030270","imgUrl":"https:\/\/img.chinax.com\/nimg\/c0\/a8\/bc770a27bfb7fb839df3007b51a1-200x200-1\/npr_4bd2_3_9l_cylinder_head_8971030270.jpg","attrs":{"Model Number":"NPR 4BD2","Place of Origin":"China","Minimum Order Quantity":"5 PCS","Supply Ability":"10000pcs\/month"}}
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.
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 specifiions 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 appliions.
Vehicle & Engine Compatibility
This fuel filter cover is specifically designed for ISUZU medium-duty trucks. Common appliions include:
ISUZU NKR - Light/Medium-Duty Trucks
ISUZU NPR - Medium-Duty Trucks
ISUZU MK Series - Medium-Duty Trucks
ISUZU 4HG1 Engine Specifiions:
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.
Lubrie 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 specifiion - Torque the cover fasteners to manufacturer specifiion (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 Verifiion: Confirms alloy composition meets OE strength and corrosion resistance specifiions.
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 Verifiion: 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.
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 ...
