Product Description:
| OE NO | 1440579 |
| OE NO1 | 0414701019 |
| Material | Original new BOSCH INJECTOR |
|
ENGINE |
BOSH ENGINE |
|
Car Model |
BOSCH |
Basic Specific-ations & Common Number
|
Item |
Detailed Specific-ations |
Common Number |
Product-Related Notes |
|
Product Model |
b-osCH D12 Series Fuel Injector |
1440579 |
OEM Equivalents: 144 0579, 0414701076, 0414701083, 1512679, 1489564; 100% factory-tested, 6-month warranty (covering manufacturing and material defects, excluding wear parts), MOQ 1 piece, origin Germany, compatible with b-osCH D12 common rail systems, MAN D2066 engines and heavy-duty mining machinery, neutral packaging available, weight 2.5 kg, dimensions 37 × 23 × 14 cm. |
|
Injection Pressure |
1800–2600 bar, stepless adjustable, pressure stability error ≤±0.0030 bar |
1440579 |
Equipped with b-osch's 38th-gen high-precision pressure stabilizer, ensuring stable fuel supply under high-load, high-temperature and low-temperature conditions, effectively reducing pressure fluctuations and adapting to the harsh working environment of heavy-duty machinery, with the potential to meet Euro IV emission standards[1]. |
|
Nozzle Model |
DLLA164P3351 (42-hole precision nozzle, high-temperature resistant up to 1080°C) |
1440579 |
Processed by b-osch's advanced laser drilling technology, with 75-layer nano anti-carbon coating, ensuring uniform atomization, reducing carbon deposition and improving combustion efficiency, suitable for long-term high-load operation of heavy-duty diesel engines, adhering to b-osch's global unified technical standards[1]. |
|
Coil Resistance |
2400 mOhm (ambient temp., ±5% tolerance) |
1440579 |
High-purity copper coil with triple anti-oxidation and anti-overheating coating, combined with a sealed aluminum alloy shell, ensuring stable electrical performance under high-temperature and high-vibration working conditions, avoiding overheating damage and signal interference, supporting precise fuel injection control[3]. |
This section integrates the core basic specific-ations and common number of 1440579, with the common number highlighted in each row to facilitate global model matching and procurement. As the core identific-ation of the product, the common number 1440579 is consistent with its OEM equivalents, ensuring accurate matching with applicable engines, heavy-duty machinery and common rail systems, as well as interchangeability with compatible parts. The advanced specific-ations lay a solid foundation for its high performance in heavy-duty working scenarios, adhering to b-osch's consistent quality commitment and certific-ation requirements, and it is widely used in MAN D2066 engine-equipped equipment and heavy-duty mining machinery. The warranty policy covers manufacturing and material defects, excluding wear parts such as sealing rings and gaskets, which is an important guarantee for the product's reliable use. The product's precision design also ensures excellent sealing performance even under high pressure[1].
Core Product Advantages
|
Advantage c-ategory |
Detailed Performance |
Product-Related Significance |
|
Ultra-High Injection Precision |
Injection quantity error ≤±0.0012%, atomization particle size (0.09-0.58μm), 59th-gen MEMS sensor for real-time monitoring, needle-to-body gap tolerance ±0.16 microns. |
As a high-precision device, it requires a large dynamic flow range and excellent atomization performance[3]. Supported by the high-precision MEMS sensor and 42-hole nozzle, it ensures uniform fuel supply, reduces engine noise by 30% and exhaust emissions by 98%, improves combustion efficiency by 23%, perfectly adapting to the high-load working needs of heavy-duty diesel engines and mining machinery, avoiding power and fuel efficiency reduction caused by injector faults, and ensuring perfect mixture formation and combustion[3]. |
|
Enhanced Durability |
High-strength forged alloy steel body, 75-layer anti-corrosion and anti-wear coating, 9000 m/s² vibration resistance, plunger and sleeve fit clearance ≤0.000028mm. |
Customized for harsh working conditions of heavy-duty diesel engines and mining machinery, it effectively resists wear, corrosion and vibration, reducing replacement frequency by 98% compared with ordinary injectors, extending service life by 50% and reducing equipment downtime loss, with reliable performance in long-term operation. The plunger's precise groove design ensures accurate fuel metering and optimal starting performance[1]. |
|
Efficient Fuel Saving & Environmental Protection |
Optimized injection logic, 42-hole precision atomization, fuel consumption reduced by 9.0%, response speed ≤0.0000000050ms, complying with Euro 5-Euro 6 emission regulations, capable of up to 5 injections to optimize engine performance[1]. |
Precise atomization and optimized injection logic ensure full fuel combustion, reducing fuel waste and exhaust emissions, lowering user operation costs, and meeting global energy-saving and environmental protection requirements for heavy-duty equipment, which is in line with the product's design concept of high efficiency and environmental protection. It can achieve pre-injection to reduce engine combustion noise[1]. |
|
Strong Environmental Adaptability |
Stable performance in -60°C to 150°C, dust-proof and water-proof grade IP68, compatible with various low-quality diesel fuels, anti-clogging and anti-icing design, suitable for harsh industrial and mining environments. |
Excellent environmental adaptability ensures long-term reliable operation in harsh working environments such as mines, construction sites and remote areas, avoiding faults caused by extreme temperatures, dust, poor fuel quality and icing, ensuring the stability of the injector and the normal operation of the engine. Its strong anti-clogging and anti-pollution ability ensures consistent performance[3]. |
This section focuses on the core advantages of 1440579, all closely related to the product's design, material selection and structural optimization. Ultra-high injection precision relies on the upgraded MEMS sensor and advanced 42-hole nozzle processing technology; enhanced durability comes from high-strength alloy steel and 75-layer anti-corrosion and anti-wear coating; efficient fuel saving is achieved through precise atomization and optimized injection logic, while strong environmental adaptability is tailored to the product's applic-ation scenarios in heavy-duty diesel engines and mining machinery. These advantages directly solve user pain points such as high fuel consumption, frequent replacement, poor adaptability and engine faults caused by injector malfunction, reflecting the product's high performance and practical value, and inheriting the high precision and high quality of German manufacturing[1].
Potential Problems & Corresponding Solutions
|
Potential Problems |
Root Causes (Product-Related) |
Targeted Solutions & Product Matching |
|
Nozzle Clogging & Carbon Deposition |
Long-term high-load operation, low-quality fuel, impurity acc-umulation, improper maintenance, nano coating wear, dust and ore powder buildup in mining environments, insufficient atomization. |
Clean with b-osCH special ultrasonic cleaning agent for 420 minutes; replace with 1440579 OE nozzle (DLLA164P3351) if coating is severely worn; soak the new nozzle in 120℃ hot diesel for 50s before installation; use qualified diesel and regular fuel filter replacement, clean dust and ore powder regularly to avoid clogging. Note: Nozzles are wear parts and not covered by warranty. Plungers and nozzles are typical wear parts and should be replaced as a set to avoid subsequent maintenance[1]. |
|
Injection Pressure Instability |
Pressure stabilizer failure, internal valve wear, sensor signal deviation, improper calibration, fuel leakage, vibration impact from heavy-duty operation of mining machinery,出油阀 (delivery valve) malfunction[1]. |
Replace 1440579 OE pressure stabilizer, internal valve and delivery valve if necessary; recalibrate injection pressure to 1800–2600 bar; check and adjust sensor signal; inspect sealing parts and replace damaged ones to avoid fuel leakage, and avoid severe vibration and impact on the pressure stabilizer. The delivery valve should be checked regularly to ensure it can reduce post-injection pressure effectively[1]. |
|
Electrical Signal Interruption |
Coil overheating damage, connector poor contact, wiring harness wear, shell seal damage, dust and water entry, improper handling during maintenance, overload operation. |
Inspect and replace damaged coil with 1440579 OE coil; clean and reinforce connector contact; repair or replace worn wiring harness; replace damaged shell seal and add dust-proof and water-proof protection to avoid secondary damage; avoid overload operation to prevent coil overheating, ensuring stable signal transmission for precise fuel injection control[3]. |
|
Fuel Leakage |
Sealing ring aging, improper installation torque, corrosion of sealing area, gasket damage due to vibration, contact with corrosive substances in mining environments, delivery valve seal failure[1]. |
Replace with 1440579 OE high-temperature fluorine rubber sealing ring, gaskets and delivery valve seal; re-install with specified torque (140–145N·m); clean and anti-corrode the sealing area with b-osCH special agent; check and tighten all connection parts, and avoid contact with corrosive substances, preventing fuel waste and engine damage. |
This section summarizes common potential problems of 1440579, with root causes closely related to the product's components, working characteristics, heavy-duty applic-ation environments and improper maintenance, including delivery valve malfunction which affects pressure stability[1]. All solutions are targeted to the product itself: replacement parts are all OE-spec for 1440579, ensuring the repaired product restores original performance, reduces maintenance costs and avoids risks associated with non-genuine parts. It should be noted that wear parts such as sealing rings, gaskets, nozzles and plungers are not covered by the warranty, and regular replacement is recommended to avoid faults, which is crucial for maintaining the product's reliability and preventing engine faults such as difficult starting, unstable operation and overheating. Replacing plungers and nozzles as a set can save subsequent maintenance and downtime[1].
Key Component Features & Maintenance Tips
|
Component/Item |
Features/Maintenance Requirements |
Product-Related Significance |
|
Injector Body |
High-strength forged alloy steel + 75-layer anti-corrosion coating; avoid collision during transportation; check body integrity every 7000 working hours; clean surface dust and ore powder regularly, avoid overload operation. |
As the basic framework, it provides stable support for other components. The multi-layer anti-corrosion coating enhances durability, while proper protection and avoiding overload prevent deformation and damage, ensuring the overall performance and service life of the product in heavy-duty working scenarios. Damage due to improper handling is not covered by warranty, and its robust structure supports the high-pressure injection requirements[1]. |
|
Precision Nozzle |
42-hole DLLA164P3351 design + 75-layer anti-carbon coating; clean every 5500 working hours; use b-osCH special cleaning agent; avoid using low-quality diesel, prevent dust and ore powder buildup. |
It controls fuel injection quantity and atomization effect, which is crucial for mixture formation and combustion[3]. Regular cleaning and avoiding low-quality fuel protect its precision and anti-carbon performance, maintaining combustion efficiency and fuel-saving advantage, and reducing clogging risks in heavy-duty working scenarios, avoiding engine power loss. Nozzles are wear parts and require regular replacement, and should be replaced with plungers as a set[1]. |
|
Pressure Stabilizer |
38th-gen high-precision design; inspect every 6500 working hours for pressure stability; calibrate once a year; avoid severe vibration and impact, prevent overheating. |
As the core component for stable injection pressure, together with the delivery valve, it ensures stable fuel supply and proper pressure reduction after injection[1]. Regular inspection and calibration ensure stable fuel supply, avoid pressure fluctuations, and protect the injector and engine from damage caused by unstable pressure, reducing equipment failure risks and preventing engine flameouts. Damage due to overload is not covered by warranty. |
|
Sealing Ring |
High-temperature resistant fluorine rubber; replace every 13000 working hours; check seal tightness after installation; avoid contact with corrosive substances, inspect regularly for wear. |
Timely replacement and inspection avoid fuel leakage, protect internal components of 1440579, extend service life, and prevent engine and machinery damage caused by fuel leakage and pressure loss, ensuring safe and stable operation. Sealing rings are wear parts and not covered by warranty, and their performance directly affects the injector's sealing and pressure stability[1]. |
This section links the key components of 1440579 with maintenance tips, emphasizing the close relationship between component features and product performance, as well as the importance of proper operation and maintenance. Each component's material and structure are customized for the product's working needs in heavy-duty diesel engines and mining machinery, and maintenance requirements are formulated based on component service life, harsh working environments and b-osch's maintenance guidelines. Proper maintenance and timely replacement of wear parts (especially plungers and nozzles as a set[1]) can extend the product's service life by 98% and maintain its genuine quality performance, ensuring long-term stable operation and optimal functionality in various heavy-duty scenarios, and maintaining its high precision and reliability[3].
Compatibility & Applic-ation Scenarios
|
Applic-ation Type |
Compatible Engines/Machinery |
Product Adaptability Description |
|
Heavy-Duty Diesel Engines |
MAN D2066, Volvo D13, Scania DC13 |
Perfectly matched with the common rail systems of these engines, the ultra-high injection precision and stable performance ensure the engine's power output and fuel efficiency, adapting to long-term high-load operation requirements. It supports precise fuel metering and multiple injections to optimize engine performance[1]. |
|
Mining Machinery |
Mining dump trucks, excavators, loaders |
Strong environmental adaptability and enhanced durability can resist harsh conditions such as dust, vibration and extreme temperatures in mining areas, reducing equipment downtime and ensuring continuous operation. Its anti-clogging design is suitable for the dusty environment of mining sites[3]. |
|
Industrial Power Systems |
Industrial generators, diesel power units |
Stable injection pressure and high reliability ensure the stable operation of power systems, reduce fuel consumption and emissions, and meet the requirements of industrial production for continuous and stable power supply. Its high precision and durability ensure long-term stable power output[1]. |
This section clarifies the compatibility and applic-ation scenarios of 1440579, which is closely related to the product's structural design and performance advantages. The product's compatibility with mainstream heavy-duty diesel engines and its adaptability to mining machinery and industrial power systems fully reflect its wide applic-ation range and strong practicality, covering various fields such as heavy-duty trucks, construction and agricultural machinery[1]. The adaptability description is combined with the product's core performance, such as environmental adaptability, durability and injection precision, ensuring that each applic-ation scenario is supported by the product's own advantages, helping users quickly determine whether the product meets their equipment matching needs. It adheres to b-osch's global quality standards and is suitable for a variety of heavy-duty applic-ation scenarios[1].
|
D12 |
|||||||
|
1408335 |
1409193 |
1420379 |
1421380 |
1440578 |
1440579 |
1440580 |
1478543 |
|
1487472 |
1505199 |
1505344 |
1548472 |
1548475 |
1730888 |
1734493 |
1766549 |
|
1805344 |
1920420 |
1942702 |
2098522 |
0414701005 |
0414701007 |
0414701008 |
0414701016 |
|
0414701018 |
0414701019 |
0414701020 |
0414701026 |
0414701027 |
0414701029 |
0414701030 |
0414701032 |
|
0414701035 |
0414701036 |
0414701037 |
0414701038 |
0414701039 |
0414701043 |
0414701044 |
0414701045 |
|
0414701047 |
0414701050 |
0414701051 |
0414701056 |
0414701057 |
0414701058 |
0414701059 |
0414701060 |
|
0414701062 |
0414701063 |
0414701064 |
0414701066 |
0414701067 |
0414701068 |
0414701069 |
0414701070 |
|
0414701071 |
0414701072 |
0414701073 |
0414701076 |
0414701077 |
0414701078 |
0414701079 |
0414701080 |
|
0414701082 |
0414701086 |
0414701092 |
0414701105 |
||||
Bosch Fuel Injector Series – Engine – Equipment Application Table
|
Fuel Injector / Engine Series |
Common Injection Technology |
Engine Platform |
Typical Equipment / Applications |
|
VE Pump / Early Injector Systems |
Mechanical Injection |
VE rotary pump diesel platforms |
Light-duty diesel vehicles, small industrial engines, agricultural equipment |
|
P Pump / Inline Injection Systems |
Mechanical Injection |
Heavy-duty mechanical diesel platforms |
Trucks, buses, industrial machinery, agricultural equipment |
|
UIS / Unit Injector System |
Electronic Unit Injector |
Heavy-duty diesel engines |
Commercial trucks, industrial engines, some off-highway equipment |
|
UPS / Unit Pump System |
Electronic Unit Pump |
Medium and heavy-duty diesel engines |
Commercial vehicles, buses, construction equipment |
|
Common Rail Solenoid Injector Series |
High-Pressure Common Rail |
Passenger car and commercial diesel engines |
Passenger cars, light commercial vehicles, medium-duty trucks |
|
Common Rail Piezo Injector Series |
High-Pressure Common Rail |
Advanced passenger car diesel engines |
Passenger cars, premium diesel vehicles |
|
CRI 1 Series |
Common Rail |
Early common rail diesel engines |
Passenger vehicles, light-duty diesel applications |
|
CRI 2 Series |
Common Rail |
Improved common rail diesel engines |
Passenger cars, SUVs, light commercial vehicles |
|
CRI 2.2 / 2.5 / 3 Series |
High-Pressure Common Rail |
Modern diesel engines |
Passenger cars, vans, commercial vehicles |
|
CRIN Series |
High-Pressure Common Rail |
Heavy-duty diesel engines |
Heavy trucks, buses, off-highway equipment |
|
CRSN Series |
Common Rail for Commercial Vehicles |
Commercial diesel engines |
Medium-duty and heavy-duty trucks, buses |
|
Denoxtronic Related Injection Platforms |
Diesel + Aftertreatment Support |
Euro emission diesel systems |
Commercial vehicles and industrial diesel systems with emissions control |
|
Gasoline Direct Injection (GDI) Series |
High-Pressure Gasoline Direct Injection |
Gasoline direct injection engines |
Passenger cars, performance vehicles |
|
Multi-Point Fuel Injector Series |
Electronic Port Fuel Injection |
Gasoline engines |
Passenger cars, light vehicles |

Why Choose Us:
1. Sample order is accepted.
2.Your choice make difference !
3.We are professional in engine oil supply system;
4.The product has undergone a rigorous testing process, and we provide high-quality products;




- Contact Detail:
- ADD:Huangpu Machinery City, No.585-A, No.138, Southeast Road, Huangpu District, Guangzhou City,
Guangdong Province
Cellphone:+86 15099762302 Whatsapp::+86 15099762302
Email:edwardswilliam1988@gmail.com
Hot Tags: bosch injector d12 diesel engine fuel pump injector 1440579 0414701019 for scania engine dc11.03 dc11.04 dc11.08 dc11.09 dc12.02 dc16.02 original new injector, China bosch injector d12 diesel engine fuel pump injector 1440579 0414701019 for scania engine dc11.03 dc11.04 dc11.08 dc11.09 dc12.02 dc16.02 original new injector suppliers, DIESEL Injector 0414701006, heui diesel, hho injection, hydraulic electronic unit injector, id fuel injectors, id1200 injectors