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The Injection Pipe No. 2 (PIPE; INJ NO 2) with OEM number 8-97148964-0 (also listed as 8971489640) is a verified direct-fit replacement for the #2 cylinder high-pressure fuel line on ISUZU 4HE1 4.8L diesel engines. This precision-engineered pipe is a critical component responsible for delivering precisely metered, high-pressure diesel fuel from the injection pump to the #2 injector.
OEM Specification: Precision-engineered to exact OEM length, internal diameter, and cone seat geometry
Proven Durability: Constructed from high-quality, high-speed steel with machined exterior finish
Precision Fitment: Precisely bent tubing ensures proper fuel delivery routing
If your injection pipe is failing, you may experience one or more of the following symptoms:
Diesel Fuel Leaks: Visible fuel seepage or wetness near the #2 injector or along the pipe
Hard Starting: Extended cranking time before the engine starts
Engine Misfire: Rough running or misfiring, especially under load
Loss of Engine Power: Significant reduction in acceleration and overall performance
Strong Diesel Fuel Odor: Noticeable fuel smell in the engine bay or cabin
Visible Damage: Cracks, corrosion, or deformation on the fuel line
⚠️ Important Safety Notice: A cracked or leaking injection pipe under high pressure creates a serious fire hazard and can cause cylinder misfire. Prompt replacement is essential for safety and engine performance.
Product Specifications
Part Number
8-97148964-0 8971489640
Product Name
High-Pressure Injection Pipe
Car Model
ISUZU NPR/NQR
Engine Model
ISUZU 4HE1
Condition
100% Brand New
Origin
China Mainland
Main Market
Middle East, Asia, Africa, South America, North America & Europe
Vehicle & Engine Compatibility
Primary Applications:
Brand
Model
Chassis / Series
Engine
Years
ISUZU
NPR
N-Series
4HE1 4.8L
1998-2004
ISUZU
NQR
N-Series
4HE1 4.8L
1998-2004
ISUZU
NPR-HD
N-Series
4HE1 4.8L
1998-2004
⚠️ Important Compatibility Notes:
This injection pipe is specifically for the #2 cylinder on ISUZU 4HE1 engines
For #1, #3, and #4 cylinder pipes, refer to part numbers 8-97148963-4, 8-97148965-3, and 8-97148966-4 respectively
Please verify your vehicle's chassis code, production year, and engine code before ordering
Features & Benefits
Feature
Benefit + Verification Signal
OEM Specification
Guarantees factory-fit quality and performance
High-Speed Steel Construction
Withstands extreme pressures and temperatures
Precision-Formed Tubing
Ensures proper fuel delivery routing and alignment
Machined Exterior Finish
Provides precise fit and reliable performance
Direct OEM Replacement
No modifications required
100% New - No Core Charge
Guarantees zero wear and full service life
Quality Control & Verification
QC Item
Verification Method
Dimensional Accuracy
Precision inspection to verify exact OEM specifications
Material Composition
High-speed steel analysis to verify pressure integrity
Cone Seal Integrity
100% inspection of precision-formed cone seals
Pressure Test
High-pressure testing to guarantee zero leakage
Corrosion Resistance
Material verification for fuel corrosion resistance
Final Assembly Inspection
100% visual and dimensional inspection
Installation & Maintenance Recommendations
⚠️ CRITICAL: Professional Installation Highly Recommended High-pressure injection pipes operate under extreme pressure. ISUZU service manuals explicitly mandate that injection pipes must be replaced with new ones whenever removed - these are single-use components.
Pre-Installation Checklist:
Do not reuse old injection pipes - they are single-use components
Do not bend or modify injection pipes
Depressurize the fuel system before starting work
Clean the area around the injector and injection pipe connections
Installation Guidelines:
Depressurize the fuel system and disconnect the negative battery terminal
Remove the old injection pipe from the #2 injector and injection pump
Clean the connection surfaces thoroughly
Install the new injection pipe with correct orientation - no bending or modification allowed
Torque the pipe connections to manufacturer's specified torque settings
Prime the fuel system and check for leaks
Start the engine and inspect for fuel leaks around the connections
Maintenance Schedule:
Inspection: During routine fuel system service or if fuel leaks/performance issues appear
Replacement: Immediately if failure symptoms appear
Note: High-mileage engines may benefit from replacing the full set (pipes #1-#4)
Packaging & Supply
Packaging: Neutral box, color box, or custom brand package
Pack Quantity: 1 PC
Net Weight: 0.3 kg
H/S Code: 840999100
MOQ: Small quantity accepted
Suitable for: Wholesale distributors, truck parts retailers, commercial vehicle repair shops, and fleet owners
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 ...
