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Diesel Engine Fuel Injection Nozzle Ar50783 Ar50781 20494 Fuel Injector for Jo-hn Deere Tractor 3020
| MOQ: | 1 pieces |
| Price: | US $21-23 / pieces |
| Payment Method: | L/C,D/A,D/P,T/T,Western Union |
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Product Name
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High Quality Common Rail Diesel Fuel Injector
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Place of Origin
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Wuhan,China
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Warranty
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3 Months
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Delivery time
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3-15 Days, subject to the order quantity
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Quality
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100% Tested
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Packing
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Customer Requirement
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Service
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After-Sales Service
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Size
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Standard Size
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Payment
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TT,Trade Assurance,PayPal,Credit Card
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Advantage
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Perfect Fit
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This heavy-duty industrial-grade diesel engine mechanical injector assembly (part number: AR50783) is a precision fuel supply core actuator meticulously calibrated for classic high-power agricultural machinery and construction engineering power systems. This model is widely compatible with many classic high-horsepower heavy-duty tractors, combine harvesters, medium-sized bulldozers, as well as industrial-grade high-power diesel water pumps and mobile generator sets. This product adopts a classic mechanical direct injection structure, with the internal core needle valve assembly mechanically ground to micron-level precision, specifically designed to handle harsh agricultural operations and high-intensity continuous outdoor construction work. When your core machinery is equipped with this precision injector, the overall engine performance will see an immediate improvement: the severe idling hesitation, cold start difficulties, and abnormal vehicle vibrations caused by injector dripping and poor atomization will instantly disappear, replaced by a crisp, highly regular, and extremely stable engine roar. Even when facing high resistance during deep tilling or continuous full-load operation, each increase in throttle results in an extremely linear and abundant power response, completely clearing away the previously glaring thick black smoke from the exhaust pipe, helping your equipment regain its peak performance from its factory condition.
Direct Sales from Our Own Modern Factory and Large Stock of Ready Stock:
Many overseas buyers often encounter the hassle of long cross-border supply chains, multiple layers of intermediaries adding to their prices, and are even forced to leave expensive equipment idle during busy farming seasons due to supply shortages of core agricultural machinery components, suffering heavy economic losses every day. Leveraging our technologically advanced self-built manufacturing base, we maintain a large, regular inventory of the classic heavy-duty AR50783 model. This direct-from-the-end-customer factory model supports rapid packaging and lightning-fast delivery after order placement, eliminating all intermediary profit margins and ensuring your machinery can return to operational status in the shortest possible time.
Full-Process Digitalized Strict Quality Inspection and High-Hardness Anti-Wear Needle Valve Assembly:
Some low-end replacement parts on the market, due to insufficient anti-wear hardness of the sealing surface, are prone to wear after a short period of operation due to minute impurities in the diesel fuel, leading to internal pressure loss, failure to build up fuel pressure when hot, and engine stalling under high load. Therefore, every injector we manufacture undergoes extreme testing on a precision injection test bench under full-condition, multi-dimensional conditions, checking the opening pressure, atomization cone angle, and pressure-holding seal. The core needle valve surface has been comprehensively upgraded with an ultra-hardened anti-wear treatment process, structurally sealing off potential wear hazards and ensuring excellent long-term durability even under harsh fuel environments with high temperature and pressure.
Original Factory-Grade Injection Dynamic Calibration and Superior Fuel Savings:
Addressing the objective reality of rough engine operation, low fuel conversion efficiency, and soaring fuel costs in daily operations caused by inaccurate fuel system supply regulation, our products are manufactured strictly according to original OEM mechanical structure data. High-precision nozzle orifice shape and optimized injection angle ensure fine and uniform diesel particles, achieving more perfect mixing and combustion with air in the cylinder. This not only completely eliminates the persistent problem of black smoke from exhaust pipes during mechanical operation, but also significantly improves fuel conversion efficiency, resulting in a substantial reduction in hourly fuel consumption and helping machine owners significantly save on operating costs over long periods of operation.
| Parameter Name | Parameter Value |
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| Product Name | Diesel Engine Mechanical Injector Assembly |
| Original Manufacturer Reference Code | AR50783 |
| System Compatibility Type | Traditional Mechanical Direct Injection System |
| Manufacturer Brand | Factory Direct Sales High-Quality High-Performance Replacement Parts |
| Main Body Core Material | High Tensile Strength Hardened Alloy Steel and High-Quality Bearing Steel |
| Internal Moving Parts | Core Valve Needle Underwent Ultra-High Hardness Quenching Hardening and Friction-Reducing Polishing Treatment |
| Nozzle Orifice Process | Micro-orifice High-Speed EDM Directional Precision Machining Technology |
| Operating Opening Pressure | Dynamically calibrated according to the original technical standards of heavy-duty diesel engines |
| Finished Product Quality Inspection | 100% subjected to dynamic bench opening pressure, atomization quality, and seal maintenance tests |
| Net Weight per Unit | Approximately 0.45 kg / unit |
| Machining and Assembly Accuracy | Core moving parts achieve micron (μm) level clearance |
| Rust-proof packaging level | Industrial-grade vacuum moisture-proof bag + custom-made shock-absorbing sponge tray + independent thickened outer carton |
High-horsepower tractors deep plowing and heavy-duty operations during busy farming seasons:
In vast farmland, fully loaded high-horsepower heavy-duty tractors are using deep plows to cultivate large areas of land. Due to uneven soil hardness and extremely high frontal resistance, the engine operates at full load for extended periods. The AR50783 injector, with its excellent mechanical seal and factory-calibrated opening pressure, ensures perfect high-pressure atomization of fuel with each injection within the cylinder, ensuring the engine maintains its power and sound level even during prolonged continuous overload operation, completely eliminating engine stalling and ensuring efficient progress during busy farming seasons.
Continuous Operation of Diesel Water Pump Units at Field Construction Sites:
In remote construction sites far from urban power grids, such as flood drainage infrastructure, mine drainage, or large-scale farmland irrigation projects, high-power diesel water pump units are undertaking crucial drainage and flood control tasks. Due to the large temperature differences and high dust levels in the field environment, and the need for continuous full-power operation for dozens of hours, this injector, with its robust, wear-resistant, and shock-resistant construction, can withstand inferior diesel fuel and vibration impacts, ensuring absolutely balanced fuel supply to each cylinder. This allows the generator or pump unit to operate steadily as before, guaranteeing the safe and continuous progress of the entire project around the clock.
Q: How can I confirm that this injector is perfectly compatible with my diesel engine?
A: The model matching of mechanical fuel system parts is very precise. The most direct method is to check if the side of the old injector housing you replaced from your original vehicle has a stamped code containing "AR50783". If your original vehicle's nameplate is worn and faded, you can send a clear photo of your engine nameplate, mechanical equipment model, or original vehicle parts to our customer service staff. We will conduct a free technical verification using big data analysis.
Q: If I purchase this high-pressure injector from your independent website, do I need to send back the old, defective part (Core Charge)?
A: Absolutely not. We operate on a pure factory-direct, net-price model. What you order is a brand-new, upgraded, high-quality injector product. You don't need to go through the hassle of sending back the old core component, saving you expensive international shipping costs and transit time, making your parts procurement simpler and more transparent.
Q: How long is the warranty period after purchase? What should I do if a malfunction occurs during the warranty period?
A: We provide an official quality guarantee of up to 12 months (one year) from the date of receipt. During the warranty period, if the product operates in a clean and qualified diesel fuel environment but experiences any non-human-caused malfunction due to its own manufacturing quality, simply contact our after-sales team and provide a simple inspection description. We will provide you with free replacement parts or accessories as soon as possible.
Q: What technical installation advice do you have for our mechanics when installing this brand new mechanical fuel injector?
A: Although it's a traditional mechanical fuel injector, it's still very sensitive to trace impurities and moisture in the fuel. Before installing the new injector assembly, please ensure your technicians thoroughly empty and clean the original diesel fuel tank and low-pressure fuel lines, and replace the fuel filter with a brand new, high-specification one. During installation, please use a standard torque wrench for tightening; do not blindly tighten it, and ensure the new copper gasket is properly positioned to prevent cylinder leaks.
Q: What is your current stock situation? Approximately how many days does it take for an order placed overseas to arrive in our country?
A: As a factory-direct sales outlet, we maintain a large and ample stock of this model of fuel injector in our central finished goods warehouse year-round. Within 24 to 48 hours of payment, the goods will undergo multi-layered vacuum rust-proof and shock-proof packaging and be delivered to leading international express delivery companies such as DHL, FedEx, and UPS. Under normal circumstances, customers in major regions such as Europe, America, the Middle East, and Southeast Asia can successfully sign for their packages within 5-7 business days.
