

The 800169716 Fuel Injectors are OEM replacement engine parts for XCMG hydraulic excavators. They deliver diesel fuel into the combustion chamber in a controlled spray pattern.
Correct injection is essential for stable power, clean combustion and fuel economy. A worn injector can cause rough running, smoke, hard starting and increased fuel use.
These 800169716 injectors are produced to match the original mounting and connection layout. They fit the factory cylinder head position without adapter parts.
The injector body is made from high-strength steel and precision components. It is designed to resist heat, pressure and diesel contamination during daily work.
Common replacement signs include black smoke, poor throttle response, misfire, knocking, high fuel consumption and fault codes linked to injection balance.
Fitting new 800169716 injectors restores correct fuel delivery and smooth engine operation. It helps protect the piston, valves and turbocharger from poor combustion.
| Parameter | Specification |
|---|---|
| OEM Number | 800169716 |
| Product Name | Fuel Injectors |
| Brand | XCMG |
| Component Type | Diesel Fuel Injector |
| Material | High-strength steel and precision alloy |
| Application | XCMG hydraulic excavators |
| Installation Position | Engine cylinder head |
| Injection Type | Direct injection, model dependent |
| Electrical Control | Solenoid type, model dependent |
| Surface Finish | Anti-corrosion protective coating |
| Installation Method | Direct fit to original injector bore |
| Packaging | Protected single-piece pack |
| Certification | OEM validated |
Fuel injectors are the final control point in the diesel fuel system. They receive pressurised fuel and release it in a fine mist at the correct moment in the engine cycle.
In an excavator, the engine works under changing load during digging, lifting and travel. The injectors must respond quickly and keep delivery balanced across all cylinders.
The 800169716 injectors are shaped and connected to match the original part. This supports correct sealing, fuel line fitment and electrical connection in the engine bay.
A balanced injector set reduces vibration, smoke and fuel waste. It also helps the engine start quickly and hold a stable idle after long working hours.
For maintenance planning, injector inspection is useful when the machine shows power loss, smoke or high fuel consumption. Early repair prevents damage to other engine parts.
Keeping the fuel filter clean and the fuel system free of water protects the injectors. Clean fuel is important for long injector life in dusty jobsite conditions.
The injectors are built for reliable fuel delivery, correct fit and long service. The main features are listed below for quick comparison.
The 800169716 Fuel Injectors are intended for XCMG hydraulic excavators with the matching engine layout. They fit the original injector bore and fuel connection points.
Typical use includes general excavation, trenching, loading, site preparation and utility work. These jobs demand stable engine power through long shifts and changing loads.
The injectors also suit maintenance programs for machines working in dusty or wet conditions. Checking injection performance during service helps avoid sudden engine faults.
Always confirm the OEM number, engine model and injector type before fitting. The 800169716 part is a direct replacement for the matching position and keeps fuel delivery close to factory specification.
Park the excavator on level ground, lower the attachment and switch off the engine. Allow the engine to cool and disconnect the battery before working on the fuel system.
Clean the area around the injector to keep dirt out of the engine. Release fuel pressure, disconnect the fuel lines and electrical plugs, then remove the retaining parts.
Fit the new 800169716 injector with the correct sealing washers and clean contact surfaces. Tighten the retaining parts to the workshop torque value and reconnect the lines.
Prime the fuel system, start the engine and check for leaks, smoke and smooth running. A road test or load test helps confirm correct injector response after repair.
The 800169716 injectors are produced to match the original dimensions and connection points. Nozzle fit, body threads and electrical connectors are checked for correct fit.
The protective coating helps resist rust and external damage. This is important for excavators that work outdoors and are exposed to mud, water and dust.
Each batch is inspected for surface quality, thread condition and overall shape. Batch checks support consistent fit and help reduce installation time in the workshop.
A correct injector protects the engine from poor combustion and excess fuel wash. This supports stable power and helps avoid damage to pistons, rings and valves.
Worn injectors can turn a strong excavator into a smoky, weak machine. They increase fuel use and can damage the engine if poor combustion continues for a long time.
The 800169716 replacement set offers a direct fit, precision nozzle and durable body. It is designed for the practical demands of XCMG hydraulic excavators in earthmoving work.
For maintenance teams, stocking this injector number helps reduce waiting time when an engine fault appears. It supports planned service and quick replacement.
Choose the 800169716 Fuel Injectors for correct fuel delivery, smooth running and dependable performance on compatible XCMG excavators. Confirm the OEM number before ordering.