Yimi (Guangzhou) Automotive Parts Co, Ltd
                                                                                                           
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Precision-Machined Corrosion-Resistant Fuel Filter Cover Direct OEM Replacement for ISUZU NKR NPR 4HG1 Engine

Price Negotiable
Price: Negotiable
MOQ: 10 pcs
Delivery Time: 5-8 Work Days
Brand: YIMI
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
ISUZU Fuel Filter Cover 8-97172543-1
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.
Fuel Filter Cover Technical Details
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:
  1. Relieve fuel system pressure - Follow manufacturer procedure to depressurize the fuel system.
  2. Clean the housing area - Thoroughly clean the outside of the filter housing to prevent contamination.
  3. Remove the old cover - Unscrew or unbolt the old fuel filter cover from the housing.
  4. Remove the old O-ring/gasket - Carefully remove the sealing ring from the cover or housing groove.
  5. Clean the housing - Clean the housing sealing surface and interior of any debris or old seal material.
  6. Inspect the housing - Check the filter housing for cracks or damage; replace if necessary.
  7. Prepare the new cover - Install a new O-ring or gasket into the groove on the new cover.
  8. Lubrie the O-ring - Apply a thin film of clean diesel fuel or light oil to the O-ring for sealing.
  9. Install the new cover - Position the new cover on the filter housing and secure with bolts/screws.
  10. Tighten to specifiion - Torque the cover fasteners to manufacturer specifiion (do not over-tighten).
  11. Prime the fuel system - Use the hand primer pump to fill the filter and purge air from the system.
  12. 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.

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Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Yimi (Guangzhou) Automotive Parts Co, Ltd
Location Unit 1313, Building 5, Changsheng DDP Fashion Center, No. 17 Dachi Road, Tancun, Shijing Subdistrict, Baiyun District, Guangzhou City.
Contact Person James

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