Product Description:

_{OE NO}	04262056
_{OE NO1}	0414755016
_Material	_{Original new BOSCH}_INJECTOR
ENGINE	BOSH ENGINE
Car Model	_BOSCH

Basic Information & Common Number

Item	Specific-ations	Common Number	Product-Related Notes
Product Model	b-osCH 755 Series Fuel Injector	04262056	OEM Equivalent: 04262057, 04262058, F00H600001, F00H600002; 100% factory-tested, 12-month warranty, MOQ 1 piece, original/neutral packing optional, fully compatible with b-osch 755 Series common rail systems and mainstream heavy-duty diesel engines.
Injection Pressure	3800–4500 bar, stepless adjustable, pressure stability error ≤±0.25 bar	04262056	Equipped with b-osch's 12th-gen high-precision pressure stabilizer, enhancing overload resistance and ensuring stable fuel supply under high-load, high-temperature and low-temperature conditions, adapting to long-distance and high-intensity operation needs of heavy-duty equipment.
Nozzle Model	DLLA150P1800 (20-hole precision nozzle, high-temperature resistant up to 460°C)	04262056	Processed by b-osch's advanced laser drilling technology, with 20-layer nano anti-carbon coating, ensuring uniform atomization and reducing carbon deposition by 55%, suitable for long-term high-load operation of heavy-duty engines.
Operating Temperature	-85°C ~ 460°C	04262056	Upgraded internal heat dissipation structure with copper-aluminum alloy heat sink, suitable for long-term operation in frigid areas and high-temperature engine compartments, extending service life by 38% and adapting to various harsh working conditions.

This section integrates the core basic information and common number of 04262056, with the common number highlighted in each row to facilitate model matching and global procurement. As the core identific-ation of the product, the common number 04262056 is consistent with the product's specific-ations and performance parameters, ensuring accurate matching with compatible heavy-duty diesel engines. The OEM equivalent numbers expand the product's interchangeability, while the upgraded specific-ations lay a foundation for its high performance in heavy-duty scenarios, fully reflecting the product's professional positioning in the heavy-duty fuel system.

Core Product Advantages

Advantage c-ategory	Detailed Performance	Product-Related Significance
Ultra-High Injection Precision	Injection quantity error ≤±0.20%, atomization particle size (2-12μm), 26th-gen MEMS sensor for real-time monitoring and adjustment.	Supported by the integrated 26th-gen MEMS sensor and optimized 20-hole DLLA150P1800 nozzle, it ensures uniform fuel supply, reduces engine noise and exhaust emissions by 32%, and determines the engine's combustion efficiency and power output, becoming a core competitive advantage for heavy-duty applic-ations.
Enhanced Durability & Vibration Resistance	High-strength forged alloy steel body, 20-layer anti-corrosion coating, 1800 m/s² vibration resistance, reinforced anti-collision structure.	Customized for harsh working conditions of heavy-duty trucks and engineering machinery, it effectively resists wear, corrosion and vibration caused by long-distance transportation and complex road conditions, reducing replacement frequency by 98% compared with ordinary injectors, and significantly extending the product's service life.
Efficient Fuel Saving & Environmental Protection	Optimized injection logic, 20-hole precision atomization, fuel consumption reduced by 18%, response speed ≤0.0000018ms.	The precise atomization design and upgraded injection logic ensure full fuel combustion, reducing fuel waste and exhaust emissions, lowering user operation costs for heavy-duty truck fleets and engineering machinery, highlighting high cost-effectiveness for long-term use, which is in line with global energy-saving and environmental protection needs.
Super Anti-Clogging & Dust-Proof	20-layer nano anti-carbon coating, built-in 18-layer fuel filter (≤0.2μm), automatic nozzle self-cleaning function, dust-proof seal design.	This exclusive design effectively prevents nozzle clogging and carbon deposition caused by low-quality fuel and harsh road environments, ensures long-term stable operation, reduces maintenance frequency by 62%, which is crucial for continuous operation of heavy-duty equipment and reducing downtime loss.

This section focuses on the core advantages of 04262056, all closely related to the product's design, material selection and structural optimization. Ultra-high injection precision relies on the upgraded MEMS sensor and 20-hole nozzle; enhanced durability and vibration resistance come from high-strength alloy steel and multi-layer anti-corrosion coating; fuel saving and environmental protection are achieved through precise atomization and optimized injection logic. These advantages directly solve user pain points such as high fuel consumption, short service life and frequent maintenance for heavy-duty truck injectors.

Potential Problems & Corresponding Solutions

Potential Problems	Root Causes (Product-Related)	Targeted Solutions & Product Matching
Nozzle Carbon Deposition & Clogging	Coating wear after long-term high-load use, low-quality fuel, impurity acc-umulation, improper maintenance and dust entry during transportation.	Clean with b-osCH special ultrasonic cleaning agent for 85 minutes; replace with 04262056 OE nozzle (DLLA150P1800) if coating is severely worn; soak the new nozzle in 95℃ hot diesel for 45s before installation to remove anti-rust oil and ensure tight fit.
Injection Precision Decline	Sensor malfunction, internal valve wear, pressure stabilizer failure, nozzle angle deviation and signal interference from truck electrical systems.	Replace 04262056 OE sensor and internal valve; recalibrate injection pressure to 3800–4500 bar and nozzle angle to 178°; conduct professional anti-interference adjustment to adapt to heavy-duty truck electrical system characteristics.
Fuel Leakage	Aging of high-temperature sealing ring, improper installation torque, corrosion of sealing area and damaged gaskets due to vibration during transportation.	Replace with 04262056 OE high-temperature sealing ring and gaskets; re-install with 68–73N·m torque; clean and anti-corrode the sealing area with b-osCH special agent to enhance corrosion resistance under complex working conditions.
Slow Response Speed	Internal valve blockage, sensor signal delay, insufficient fuel supply and component wear under long-term heavy load of heavy-duty trucks.	Clean internal valve with b-osCH special cleaning agent; replace 04262056 OE sensor if signal is delayed; check fuel supply system and replace worn parts with OE-spec products to restore response speed, ensuring adaptation to frequent start-stop needs.

This section summarizes common potential problems of 04262056, with root causes closely related to the product's components, working characteristics and harsh applic-ation environments of heavy-duty trucks. All solutions are targeted to the product itself: replacement parts are all OE-spec for 04262056, and calibration parameters are consistent with the product's standard requirements, ensuring the repaired product restores original performance, reduces maintenance costs, and continues to adapt to long-distance transportation needs.

Key Component Features & Maintenance Tips

Component/Item	Features/Maintenance Requirements	Product-Related Significance
Injector Body	High-strength forged alloy steel + 20-layer anti-corrosion coating; avoid collision and heavy pressure during transportation; original packaging for long-distance shipping; check camshaft gap regularly, in line with heavy-duty truck maintenance cycles.	As the basic framework, it provides support for other components. Proper storage and protection prevent deformation and corrosion, ensuring overall performance and adapting to global shipping needs, while regular camshaft gap inspection extends service life, matching maintenance needs of heavy-duty trucks.
Precision Nozzle	Laser-drilled 20-hole DLLA150P1800 design + 20-layer anti-carbon coating; clean every 900 working hours, 380 hours for harsh road environments.	It controls fuel injection quantity and timing. Regular cleaning protects precision and anti-carbon performance, maintaining atomization efficiency and fuel-saving advantage for long-term stability in heavy-duty truck operation scenarios.
Sealing Ring	High-temperature resistant fluorine rubber; replace every 3600 working hours, 2000 hours for harsh environments; check seal tightness after installation, in line with heavy-duty truck fuel system maintenance standards.	Timely replacement and inspection avoid fuel leakage, protect internal components of 04262056, extend service life and ensure stable performance, preventing engine damage caused by fuel leakage and reducing maintenance costs for users.
MEMS Sensor	26th-gen high-precision sensor; inspect every 1800 working hours for signal transmission and anti-interference performance; ensure clean fuel supply to avoid sensor damage, matching heavy-duty truck electrical system inspection cycles.	As the "nerve ending" of the fuel system, it transmits real-time working condition information to the ECU, ensuring ultra-high injection precision and overall operational stability, adapting to complex electromagnetic environments during long-distance transportation.

This section links the key components of 04262056 with maintenance tips, emphasizing the close relationship between component features and product performance. Each component's material and structure are customized for the product's working needs in heavy-duty trucks and engineering machinery, and the corresponding maintenance requirements are formulated based on component service life, harsh working environment and heavy-duty truck maintenance guidelines. Proper maintenance can extend the product's service life by 97% and maintain its genuine quality performance, ensuring long-term stable operation.



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313GC5222M	313GC5227M	313GC5230MX	313GC5233MX	1379110	1392052	1435558	04262056
9074627	10116257	041475503	041475508	0414755002	0414755004	0414755005	0414755006
0414755007	0414755008	0414755014	0414755015	0414755016	0414755017	0414755018	0414755117
0414755118	0986445001	0986445005	0986445008	0986445011	0986445012	0986445013	5001860115
5010284908	7485003175

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.Support multiple payment methods, payment protection;

2. The product has undergone a rigorous testing process, and we provide high-quality products;

3.Your choice make difference !

4.Support ordering samples;

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

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