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Fuel Injector 8-98238318-1 / 8982383181 For ISUZU NLR85 4JJ1 — OEM Denso Common Rail Injector
Product Overview
The Fuel Injector with OEM reference numbers 8-98238318-1 and 8982383181 is a verified direct-fit replacement for the ISUZU 4JJ1 3.0L turbo-diesel engine, commonly found in the ISUZU NLR85 light-duty truck as well as other N-Series models.
Manufactured by DENSO, a global leader in automotive fuel systems, this injector is a precision component of the common rail fuel injection system, responsible for atomizing and precisely metering diesel fuel into the combustion chamber under extreme rail pressure.
Part Number
8-98238318-1 / 8982383181
Car Model
ISUZU NLR85
Engine Model
Isuzu 4JJ1
Condition
100% Brand New
Origin
China Mainland
Quality Standard
OEM equivalent / ISO quality control
Vehicle Compatibility
Primary Appliions (ISUZU 4JJ1 3.0L Engine):
Model
Years
Power Output
ISUZU NLR85
2006 Onwards
88 kW / 118 BHP
ISUZU NNR85
2010 Onwards
88 kW / 118 BHP
ISUZU NKR85
2006 Onwards
110 kW / 148 BHP
ISUZU NPR85
2006 Onwards
110 kW / 148 BHP
ISUZU NLR150 / NMR250
2008 Onwards
96 kW / 129 BHP
⚠️ Important: This injector is specifically designed for the ISUZU 4JJ1 3.0L diesel engine found in NLR85, NKR85, NNR85, and NPR85 models. It is a DENSO common rail injector (DCRI301710) and must be coded to each cylinder using a professional diagnostic scan tool after installation.
Common Failure Symptoms
Symptom
Description
Rough or uneven idle
Engine idles roughly; diesel knock or rattle present
Hard starting / extended cranking
Engine struggles to start, especially when cold
Excessive smoke
White smoke under load or at idle; black smoke due to incorrect fuel delivery
Loss of power / hesitation
Reduced performance, especially under load
Increased fuel consumption
Poor fuel economy
Check Engine Light
Fault codes such as P0200 (fuel injection system problem)
Engine stalling
Unstable engine operation, possible stalling when pressing the gas
⚠️ Ignoring a failing fuel injector can lead to:
Severe engine damage from improper combustion
Contaminated engine oil from fuel dilution
alytic converter damage
Costly engine repairs
Features & Benefits
Genuine DENSO OE manufacturing
Manufactured by the original equipment supplier for Isuzu — guaranteed quality, perfect fit, and reliable performance
Electronically controlled operation
Delivers precise fuel metering and atomization for optimal combustion — reduces emissions and maximizes engine performance
Common rail technology
Enables high-pressure injection from low engine speed range — optimizes control to minimize particulate matter and NOx emissions
Direct OE replacement
No modifiions required — matches factory specifiions and ECU calibration requirements precisely
Restores engine performance
Eliminates rough running, smoke, hard starting, and power loss — restores smooth engine operation
12-month warranty
Peace of mind — warranty coverage for manufacturing defects
Important Installation Information
⚠️ IMPORTANT: Fuel injector replacement requires mechanical competence and specialized diagnostic equipment. Professional installation strongly recommended.
Critical Requirements:
Injector coding / calibration is mandatory after installation. Common rail injectors must be coded to each cylinder using a professional diagnostic scan tool
A new injector sealing washer and O-ring should be installed with the injector
Always replace injector sealing washers and O-rings when replacing injectors
Pro Tips:
Use only high-quality diesel fuel to prevent contamination and premature injector wear
Always replace the fuel filter at recommended intervals
If replacing one injector, consider having all injectors tested and balanced
Perform a Cylinder Balance Test and Injector Forced Drive test with a scan tool to verify operation
Packaging & Supply
Genuine DENSO brand new injector in original sealed packaging
Individually sealed and boxed
12-month warranty
Available individually or as a set of 4
Bulk wholesale available in master cartons
Suitable for: Isuzu specialist repair shops, commercial vehicle maintenance depots, diesel injection specialists, auto parts distributors
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 ...