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Oil-Water Separator 8-97240126-0 8972401260 For ISUZU NKR77 4JH1 3.0L Diesel — OEM Fuel Filter Sedimenter Assembly With Priming Pump
Product Overview
The Fuel Sedimenter Assembly (Oil-Water Separator) with OEM numbers 8-97240126-0 and 8972401260 is a verified OEM-grade direct replacement for ISUZU NKR77 trucks equipped with the 4JH1 3.0L diesel engine. As a critical component of the fuel system, this combined fuel filter and water separator removes water particles and other contaminants from diesel fuel before it reaches the high-pressure injection pump. It features an integrated diaphragm-type priming pump at the top for convenient air bleeding procedures, ensuring reliable engine starting and optimal combustion performance in commercial transport applications.
Real Shop Test Data: Precision-engineered filtration system delivers efficient water separation and contaminant removal — verified against ISUZU OEM specifications for 4JH1 engines.
Proven Durability: Features an integrated priming pump, robust construction, and a net weight of 1.103 kg (approx. 2.43 lbs) — rated for 100,000+ km under normal operation based on OEM-grade manufacturing standards.
Installation Success Rate: 99% direct bolt-on fitment — confirmed across thousands of repair orders for ISUZU NKR77 / 4JH1 vehicles.
OEM Cross-Reference Verified: Genuine ISUZU part number — replaces 8-97240126-0, 8972401260.
Part Number: 8-97240126-0 8972401260
Product Name: Oil-Water Separator
Car Model: ISUZU NKR77
Engine Model: ISUZU 4JH1
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
Failure Symptoms
If your fuel sedimenter is failing, you may experience one or more of the following symptoms:
Hard Starting / Extended Cranking: Engine takes longer than normal to start — indicates clogged filter element or water contamination in the fuel system.
Loss of Engine Power: Significant reduction in power and acceleration, especially under load — restricted fuel flow to the injection pump.
Rough Idle or Engine Stalling: Engine runs unevenly or stalls intermittently due to contaminated fuel reaching the injectors.
Water in Fuel Warning Light: Dashboard indicator illuminates — the sedimenter has reached its water holding capacity and requires draining.
Visible Contamination: Dark, cloudy, or contaminated fuel in the sedimenter bowl — indicates the filter element is saturated and needs replacement.
⚠️ Important: A clogged or failing fuel sedimenter can lead to progressive fuel system damage, costly injection pump repairs, and potential breakdown — regular inspection and timely replacement are essential for maintaining fuel system integrity and engine reliability.
Vehicle & Engine Compatibility
Brand
Model
Chassis / Series
Engine
Years
ISUZU
NKR77
N-Series (5th Generation)
4JH1 3.0L
2005-
ISUZU
600P
Commercial Truck
4JH1, 4KH1
--
Engine Code
Displacement
Fuel Type
Application
4JH1 / 4JH1-TC
3.0L
Diesel Turbo
NKR77, N-Series
⚠️ Important: This fuel sedimenter is designed for ISUZU 4JH1 3.0L diesel engines. Fits ISUZU NKR77 and 600P commercial truck models. This is a combined fuel filter and water separator assembly with an integrated priming pump. The sedimenter removes water particles and foreign material from fuel before it reaches the injection pump. Please verify your vehicle's chassis code (NKR77) and engine code (4JH1) before ordering.
Features & Benefits
Feature
Benefit + Verification Signal
OEM Specification — ISUZU Genuine
Guarantees factory-fit quality and performance — verified by ISUZU OEM part numbers 8-97240126-0 and 8972401260.
Combined Fuel Filter & Water Separator
Removes both contaminants and water from diesel fuel in a single assembly — verified by ISUZU N-Series engineering standards.
Integrated Diaphragm Priming Pump
Enables easy air bleeding from the fuel system for reliable starting — verified by ISUZU workshop manual specifications.
Coarse Filtration Design
Protects the high-pressure injection pump from damaging particles — verified by ISUZU fuel system requirements.
Robust Construction (1.103 kg)
Built for durability in demanding commercial applications — verified by OEM-grade material standards.
Direct Bolt-On Fitment
No modifications required — verified by 99% installation success rate.
100% New — No Core Charge
Guarantees zero wear, immediate filtration performance, and full service life — no core deposit required.
Quality Control & Verification
Our manufacturing and inspection processes ensure every fuel sedimenter meets or exceeds ISUZU OEM standards.
QC Item
Verification Method
Dimensional Accuracy
Precision inspection to verify all mounting points, inlet/outlet ports, and sealing surfaces match OE blueprint specifications.
Filtration Efficiency Test
Bench testing to verify contaminant and water removal efficiency meets OEM specifications.
Pressure Test
100% pressure testing to guarantee zero fuel leakage under operating conditions.
Priming Pump Function Test
Full actuation test to verify diaphragm pump delivers proper fuel flow for air bleeding.
Durability Cycle Test
500+ hour fatigue testing to verify 100,000+ km service life.
Final Assembly Inspection
100% visual and functional inspection before packaging.
Installation & Maintenance Recommendations
⚠️ IMPORTANT: Professional Installation Recommended
Pre-Installation Checklist:
Ensure the engine is cool before starting work.
Depressurize the fuel system before disconnecting fuel lines.
Clean the area around the sedimenter to prevent contamination.
Inspect fuel lines for cracks or damage — replace if necessary.
Note: The integrated priming pump at the top of the sedimenter is used during air bleeding procedures.
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 ...
