8-981398163-0 Injector Assembly for construction machinery

Short Description:

295050-1520/8630 high precision common rail fuel injector assembly is aftermarket replacement spare part for construction machinery diesel engine, widely fitted on Isuzu 4HK1/6HK1 engine excavators and engineering equipment.

Product Detail

Product Tags

description

8-981398163-0 common rail injector is the core fuel injection control component of Isuzu 6WG1 / 4HK1 / 6HK1 diesel engine. It precisely controls injection timing, cyclic fuel quantity, injection rate and atomization quality under high common rail pressure. The injector body adopts high-strength alloy steel. Core parts including G3S91 nozzle, needle valve and control valve are strictly screened and ultra-precisely machined with micron-level clearance control. Every finished injector undergoes full item bench testing covering idle, full load and leakage inspection, guaranteeing outstanding injection consistency and interchangeability. Direct fit replacement without mechanical modification. Suitable for construction machinery working on earthmoving and quarry sites with frequent load variation. It effectively resolves typical engine faults such as insufficient power, rough idle, black smoke and high fuel consumption, meeting maintenance and overhaul demands for construction machinery powertrain.

product parameters

Part No:8-981398163-0
Denso Injector No:295050-1520 / 295050-8630
Type:Common rail fuel injector
Applicable Engine:Isuzu 6WG1 / 4HK1 / 6HK1 diesel engine
Nozzle Model:G3S91
Material:High strength alloy steel
Application:Excavator, wheel loader, construction machinery

advantage

・High-precision matched internal components. The injector body is forged from high strength alloy steel. Core nozzle G3S91, needle valve and control valve are carefully selected, processed to micron tolerance. It resists dripping, internal and external oil leakage under continuous high pressure, keeps injection action sensitive and stable, reduces stuck valve risks.
・Professional bench calibration & full inspection. Every injector is calibrated and tested on Denso common rail bench. Test items cover idle flow, full load flow and leakage inspection. Small injection deviation between individual injectors, excellent batch consistency, avoiding uneven fuel supply problems.
・Optimized atomization structure. Precision G3S91 nozzle creates fine and uniform mist. Diesel mixes sufficiently with air inside cylinder. Combustion efficiency is greatly improved. It maintains stable power output under heavy intermittent load, cuts black smoke and reduces harmful exhaust emissions.
・Strong adaptability for harsh construction site conditions. Designed for Isuzu 6WG1 / 4HK1 / 6HK1 construction machinery diesel engine, fit for excavation and earthmoving worksites, coping with frequent start-stop and sudden load changes. Stable performance under wide temperature range.
・Direct replacement with good cost performance. Installation dimensions and interfaces follow original factory specifications. No pipeline modification required. It is an economical aftermarket spare part for engine overhaul and routine maintenance, helping customers cut maintenance expense.

FAQ 

Q1: Can this injector fit all construction machinery engines?
A1: No. Model 8-981398163-0 injector is dedicated for Isuzu 6WG1 / 4HK1 / 6HK1 diesel engine, matching OE number 8981398163 / 095000-8630. Before ordering, please verify engine model and old injector OE code. Wrong part will lead to weak power, heavy black smoke, rough idle and even engine mechanical damage.

Q2: What testing will be carried out before shipment?
A2: All injectors are 100% fully tested on professional common rail test bench before delivery. The test scope includes idle injection quantity, full-load injection quantity and static sealing leakage test. Products can only be packed after all indicators meet standards.

Q3: What is the warranty policy and what damage is excluded?
A3: 12-month warranty under correct installation and normal operation. Warranty does NOT cover damage caused by inferior dirty diesel, water mixed into fuel, fuel filter not replaced on schedule, wrong installation torque, unauthorized disassembly of internal parts, engine mechanical failure or man-made damage.

Q4: Is coding or calibration needed after installation?
A4: The injector is pre-calibrated on test bench before leaving factory and can be installed directly. If multiple injectors are replaced at the same time or fault codes exist in ECU, use professional diagnostic scanner to clear codes and perform injector code writing for smoother idle and better fuel economy.

warehouse

We have built four spare parts warehouses in Xuzhou, Jining, Kunshan and Changsha to provide customers from all over the world with a variety of high-quality spare parts. We can basically ship self-provided spare parts within three days after confirming the order. If the spare parts need to be adjusted or processed, they will be shipped within 7-30 days.

our warehouse

our warehouse

Pack and ship

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