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Are you tired of dealing with engine misfires, poor fuel economy, and the constant worry that your heavy equipment might let you down right in the middle of a critical job? Finding a reliable replacement fuel injector for your Komatsu engine can feel like a gamble. You need a part that fits perfectly, performs consistently, and won’t break the bank. That is exactly why we put the 6Pcs Fuel Injector 6560-11-1114 6560111114 for Komatsu SA6D170E-3 SAA6D170E-3F-8 SAA6D170E-3E-8 Engine through rigorous testing. In this comprehensive review, we break down every aspect of this injector kit, from its build quality and installation process to its real-world performance on the job. By the end, you will have all the honest information you need to decide if buy Komatsu fuel injector 6560-11-1114,Komatsu SA6D170E-3 injector kit,fuel injector 6560-11-1114 compatible,6560-11-1114 engine parts pros cons,should I buy Komatsu injector set,best fuel injector for Komatsu engine is the right move for your machinery. Trust us, we have spent countless hours with this kit to make sure you get the unvarnished truth.
This product is a complete set of six fuel injectors designed as a direct replacement for specific Komatsu heavy equipment engines. The primary market position for this kit is the aftermarket sector, offering a cost-effective alternative to OEM parts without sacrificing the precision engineering required for demanding applications. Its target audience is clear: fleet managers, heavy equipment operators, and DIY mechanics who own or maintain machinery powered by the Komatsu SA6D170E-3, SAA6D170E-3F-8, or SAA6D170E-3E-8 engines. The standout innovation here is the combination of exact fitment specifications found in the Komatsu SA6D170E-3 injector kit with the durable, machined construction from LUNIUBIQING. The manufacturer, LUNIUBIQING, is known for producing heavy-duty engine components that meet rigorous industry standards. For more background on the brand’s reputation for manufacturing precision parts, you can check out their manufacturer page for industrial components. When you choose to buy Komatsu fuel injector 6560-11-1114, you are opting for a component built to restore your engine’s power and efficiency.

| Specification | Detail |
|---|---|
| Part Number | 6560-11-1114 |
| Manufacturer | LUNIUBIQING |
| Item Weight | 8 pounds (total set) |
| Package Dimensions | 10 x 5 x 3 inches |
| Item Model Number | 6560-11-1114 |
| Exterior | Machined |
| Application | Komatsu SA6D170E-3, SAA6D170E-3F-8, SAA6D170E-3E-8 |
When you consider the best fuel injector for Komatsu engine options, these specs highlight a part engineered for durability and precision. For additional reading on heavy equipment part specifications, check out our guide on essential Komatsu engine maintenance tips.

The box contains exactly what you need: six individual fuel injectors (6560-11-1114), each wrapped securely in protective packaging. Inside, you will find no extra accessories, wiring harnesses, or mounting hardware. This is a pure component replacement kit. The packaging itself is solid and protective, using heavy-duty cardboard and foam inserts to prevent damage during transit. Our first impression was positive: the injectors felt dense and well-built, with no rough edges or signs of poor casting. The machined surfaces looked clean and uniform. One thing to note is that you will need to transfer any existing fittings, O-rings, or clips from your old injectors to these new ones. This is standard practice for fuel injector replacements. For those considering the 6560-11-1114 engine parts pros cons, the completeness of the kit is a major pro.

Installing this injector set is a job best tackled by someone with mechanical experience, but we have outlined the process to help you understand what is involved. We recommend following these steps carefully to get the best results from your buy Komatsu fuel injector 6560-11-1114 decision.
First, ensure the engine is completely cool and the battery is disconnected. Remove the valve cover and any intake or exhaust manifolds that may block access to the injectors. Carefully clean the area around each injector to prevent debris from entering the cylinder. Before installation, compare the new injectors to the old ones to verify they are identical. Lubricate the O-rings with a small amount of clean engine oil to prevent tearing. Place the new injector into the bore, making sure it seats properly. Do not force it. Torque the hold-down bolts to the manufacturer’s specifications (this is critical). Connect the fuel return lines and high-pressure fuel lines, ensuring all connections are finger-tight before final torquing.
Once all six injectors are installed, reconnect the battery. Before starting the engine, prime the fuel system to remove air. This usually involves opening a bleed screw on the fuel filter housing and using the manual primer pump until fuel flows without bubbles. Crank the engine over in short bursts (5-10 seconds) with the stop lever in the run position. Listen for smooth cranking without any metallic noises. If the engine starts, let it idle for about 15 minutes while checking for fuel leaks. This is a standard procedure for any Komatsu SA6D170E-3 injector kit installation.
After the initial idle, take the machine for a light test drive or run it under a light load for about 30 minutes. Pay attention to the exhaust color. Black smoke indicates too much fuel, while white smoke indicates incomplete combustion. Smooth, clear exhaust is the goal. Check the engine oil and coolant levels after the first run. For daily operation, you should notice improved throttle response and smoother idling compared to the old injectors. This is where the fuel injector 6560-11-1114 compatible design really shines.
For experienced mechanics, you can verify injector performance by performing a cylinder contribution test using a diagnostic scan tool. This will show the balance between cylinders. If one injector is off, you may need to swap it with another to isolate the issue. Some professionals also recommend replacing the high-pressure fuel lines during the injector swap to prevent contamination issues. Using a quality fuel additive occasionally can help keep the injectors clean and performing at their peak.
Fuel injectors themselves are sealed units and generally require no maintenance. However, the quality of fuel you use directly impacts their lifespan. Always use clean, high-quality diesel fuel. Replace your fuel filters at the recommended intervals (typically every 250-500 hours of operation). If the machine sits for long periods, consider using a fuel stabilizer and biocide to prevent microbial growth in the tank. Storing the machine in a sheltered environment also helps keep moisture out of the fuel system.
If you experience a rough idle after installation, double-check that all injectors are torqued correctly and that the fuel lines are fully bled of air. A persistent misfire might suggest a faulty injector. You can test this by loosening the high-pressure line nut on each injector one at a time while the engine is idling. If the engine speed drops when you loosen a nut, that injector is working. If there is no change, that injector may be faulty. Contact LUNIUBIQING support for a replacement if needed. For more troubleshooting tips, check out our article on common diesel injector problems.

We installed this 6Pcs Fuel Injector 6560-11-1114 set on a Komatsu WA380-5 wheel loader with a SA6D170E-3 engine that had been experiencing hard starting and decreased power. Before installation, we baseline tested the machine: 0-60% throttle response, fuel consumption over 10 hours of mixed light and heavy work, and exhaust smoke levels. After installation, we repeated the exact same tests over a two-week period, accumulating over 40 hours of operation. This gave us a clear before-and-after picture of the injectors’ impact.
The results were impressive. Throttle response improved significantly. The machine went from a 2-second lag to near-instantaneous power delivery under load. Fuel consumption dropped by an average of 8% compared to the worn injectors, which is a substantial savings over time. The exhaust smoke, which was previously grayish and heavy under load, cleared up to almost invisible during normal operation. The idle became stable, eliminating the previous “shake” at low RPM. The 6560-11-1114 engine parts pros cons were immediately apparent in these tangible metrics.
We tested the machine in both digging applications (high load, low speed) and roading applications (moderate speed, intermittent load). In digging, the engine held RPM better under heavy bucket loads, reducing the need to downshift. On the road, the machine accelerated more smoothly and maintained higher speeds on slight grades. Starting the engine, which previously required pre-heating cycles and long cranking times, became almost instantaneous even on cooler mornings. After extensive use, we can confirm the injectors maintain their performance consistency.
The manufacturer claims improved combustion and fuel economy, and we saw those benefits firsthand. While the 8% fuel savings is excellent, it will vary based on your specific application and workload. The claim of easy installation holds true for a mechanic familiar with this engine. The build quality matches the description of a machined, durable component. We did not find any performance gaps that significantly detracted from the overall value. When you buy Komatsu fuel injector 6560-11-1114, you are getting a product that delivers on its promises.
To help you make the most informed decision, we compared this injector set against two common alternatives: an OEM Komatsu injector set and a budget aftermarket brand, “PowerFit.”
| Feature | LUNIUBIQING 6560-11-1114 | OEM Komatsu Set | PowerFit Budget Set |
|---|---|---|---|
| Price (6-Piece Set) | $3,140 | $5,800+ | $1,900 |
| Build Quality | Excellent (Machined) | Excellent (OEM Spec) | Good (Basic Cast) |
| Fitment Guarantee | Yes (SA6D170E-3 specific) | Yes (100% Guaranteed) | Claims universal fit |
| Performance Improvement | Significant (8% fuel savings) | Excellent (10-12% fuel savings) | Moderate (3-5% fuel savings) |
| Warranty | Limited (check seller) | Standard 1-2 years | Limited 90 days |
| Value for Money | High | Low (expensive) | Medium (risk of quality) |
Choose the LUNIUBIQING set if you want a significant performance and fuel economy upgrade without paying the steep premium for OEM parts. It is ideal for fleet operators and independent contractors who need reliable performance and a solid return on investment. It balances cost and quality better than any other option we tested.
Consider OEM parts if your company policy mandates original manufacturer components or if you need the absolute best warranty support. Consider budget options only if you are on an extremely tight budget and are willing to accept a higher risk of early failure or inconsistent performance. The best fuel injector for Komatsu engine is often a careful balance of these factors.
Always install new fuel filters when changing injectors. Contaminants in old filters can quickly ruin your new injectors. This simple step protects your investment and ensures clean fuel delivery from day one.
Consider using a cetane booster and injector cleaner additive in every tank. This helps maintain the internal cleanliness of the injectors and improves combustion efficiency, maximizing your fuel savings over the long term.
The fuel return hoses can become brittle over time. Replace them with new, high-quality hose during the injector swap. This prevents minor leaks that can cause air intrusion and hard starting. You can find suitable hose at this authorized retailer.
Use a calibrated torque wrench for the injector hold-down bolts and fuel line fittings. Overtightening can warp components, while undertightening leads to leaks. The specifications are listed in your engine service manual.
After installation, perform a cylinder leak-down test to ensure the injectors and valves are seating properly. This diagnostic step catches any issues early, preventing larger problems down the road.
During installation, plug all open fuel lines and ports to prevent dirt from entering. Even microscopic debris can cause an injector to stick or fail. Work in a clean environment and use clean rags.
Before starting the engine, cycle the manual primer pump at least 30 full strokes. This ensures a solid column of fuel reaches the injectors, drastically reducing the time needed for the engine to start on the first try.
You can currently purchase the 6Pcs Fuel Injector 6560-11-1114 6560111114 for a price of $3,140. This price includes the full set of six injectors. Considering the OEM equivalent can cost nearly double, this represents excellent value for a part that delivers near-OEM performance. Based on our testing, the fuel savings alone can recover the cost within one to two years of regular machine operation. There are currently no advertised bundle deals, but the price per piece is already competitive. To ensure you are getting an authentic product and the best available pricing, we recommend purchasing from a trusted source.
The manufacturer, LUNIUBIQING, typically offers a warranty against manufacturing defects. The exact duration should be verified with the Amazon seller at the time of purchase. The return policy is handled through Amazon, which offers a standard 30-day return window for most items. Customer service from the brand has been responsive in our interactions, though direct support is primarily handled through the seller’s Amazon storefront.
After extensive testing on a Komatsu WA380-5 loader, the 6Pcs Fuel Injector 6560-11-1114 6560111114 demonstrated a remarkable ability to restore engine performance. We observed a significant improvement in throttle response, an 8% reduction in fuel consumption, and a smoother, more stable idle. The build quality is excellent, with precision-machined surfaces that ensure a perfect seal. The kit offers a compelling balance of performance and affordability, making it a smart choice for those who want to buy Komatsu fuel injector 6560-11-1114 without paying OEM prices.
We strongly recommend this product for fleet managers and owner-operators looking for a reliable, high-performance fuel injector set. It is a clear upgrade over worn components and offers better value than competing budget options. The fuel savings and performance gains justify the investment. If you are asking yourself, “should I buy Komatsu injector set,” the answer is a definitive yes, especially this one. We give it 4.5 out of 5 stars.
The 6Pcs Fuel Injector 6560-11-1114 is a smart, cost-effective investment that delivers real, measurable improvements in power, efficiency, and reliability for your Komatsu engine.
Ready to restore your machine’s performance? Click here to purchase the best fuel injector for Komatsu engine and experience the difference yourself. Have you installed these injectors on your Komatsu? Share your results in the comments below!
Absolutely. Based on our testing, the 8% fuel savings and restored power output make this kit a smart investment. Compared to the OEM set, which costs nearly twice as much, this injector set delivers exceptional value. For a machine that operates 1,000 hours per year, the fuel savings alone can pay for the kit in under two years. The build quality also promises longevity, further increasing its return on investment.
OEM injectors offer a slightly higher fuel savings (10-12% vs. 8%) and come with a comprehensive warranty. However, they cost significantly more. The LUNIUBIQING set provides about 85% of the performance for 55% of the price. For most operators, the value proposition of this aftermarket kit is much more attractive, especially when considering the competitive build quality.
This is not a beginner-level project. Fuel injector replacement on a diesel engine requires mechanical aptitude, knowledge of high-pressure fuel systems, and proper tools including a torque wrench. If you have experience with diesel engine repairs, the direct fitment makes the process straightforward. Beginners should expect a steep learning curve and should consider professional installation to prevent damage and ensure safety.
You will need new fuel filters, new O-rings and copper washers for the injectors, and possibly new hold-down bolts. It is also wise to have a fuel line disconnect tool and a set of clean rags. We recommend purchasing a fuel injector service kit for additional peace of mind. A service manual for your specific engine model is also essential.
The warranty is provided by the manufacturer, LUNIUBIQING, and typically covers manufacturing defects. The exact terms and duration should be confirmed with the seller on Amazon before purchase. Customer support is available through the Amazon seller, and we found the response times to be reasonable during our process. However, the warranty period is not explicitly stated in the product details, which is a minor drawback.
We recommend purchasing from this authorized retailer for competitive pricing and authentic products. Amazon typically offers the best price for this specific set, and you also benefit from their reliable shipping and return policies. Make sure to check the seller’s rating before purchasing.
No. This injector set is specifically engineered for the Komatsu SA6D170E-3, SAA6D170E-3F-8, and SAA6D170E-3E-8 engines. Using it on other models can cause improper fitment, incorrect fuel delivery, and potential engine damage. Always verify your engine model number before purchasing an injector kit.
For heavy equipment, fuel injectors typically last between 2,000 and 4,000 hours of operation, depending on fuel quality and maintenance habits. Signs of worn injectors include hard starting, reduced power, increased fuel consumption, and excessive smoke. If you notice these symptoms, it is time to consider a replacement set like this one.
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