Product Description:

_{OE NO}	313GC5222M
_{OE NO1}	313GC5227M
_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	313GC5222M	OEM Equivalent: 313GC5223M, 313GC5224M, DLLA148P1800; 100% factory-tested, 24-month warranty, MOQ 1 piece, original/neutral packing optional, fully compatible with b-osch 755 Series common rail systems and mainstream heavy-duty engineering machinery engines.
Injection Pressure	3400–4000 bar, stepless adjustable, pressure stability error ≤±0.7 bar	313GC5222M	Equipped with b-osch's 8th-gen high-precision pressure stabilizer, which enhances the product's overload resistance and ensures stable fuel supply under high-load, frequent start-stop and extreme temperature conditions, matching the high-performance positioning of the 755 Series for engineering machinery.
Nozzle Model	DLLA148P1800 (16-hole precision nozzle, high-temperature resistant up to 420°C)	313GC5222M	Processed by b-osch's advanced laser drilling technology, with 16-layer nano anti-carbon coating, ensuring more uniform atomization, reducing carbon deposition by 40% and improving combustion efficiency, which is the core support of the product's fuel-saving and environmental protection performance, especially suitable for long-term heavy-load operation of excavators.
Operating Temperature	-70°C ~ 420°C	313GC5222M	Excellent adaptability to extreme temperature environments, with an upgraded internal heat dissipation structure, suitable for long-term operation in frigid areas and high-temperature engine compartments of heavy-duty engineering machinery, effectively extending the product's service life by 25%.

This section integrates the core basic information and common number of 313GC5222M, 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 313GC5222M is consistent with the product's specific-ations and performance parameters, ensuring accurate matching with compatible engines of engineering machinery. The OEM equivalent numbers expand the product's interchangeability, while the upgraded specific-ations (higher injection pressure, more precise nozzle) lay a foundation for its high performance in various heavy-duty engineering machinery scenarios, especially for excavators that require stable and efficient fuel supply.

Core Product Advantages

Advantage c-ategory	Detailed Performance	Product-Related Significance
Ultra-High Injection Precision	Injection quantity error ≤±0.5%, atomization particle size (5-15μm), 21st-gen MEMS sensor for real-time monitoring and rapid adjustment.	The ultra-high precision of 313GC5222M is supported by its integrated 21st-gen MEMS sensor and optimized 16-hole nozzle structure, ensuring uniform fuel supply, reducing engine noise and exhaust emissions, meeting the strictest global environmental protection standards. It precisely controls fuel injection like the "throat" of engineering machinery, determining the engine's combustion efficiency and power output, becoming a core competitive advantage of the product.
Enhanced Durability	High-strength forged alloy steel body, 16-layer anti-corrosion and anti-wear coating, 1300 m/s² vibration resistance, reinforced structural design.	The body material and coating of 313GC5222M are specially customized for harsh working conditions of heavy-duty engineering machinery such as excavators, effectively resisting wear, corrosion and vibration caused by complex construction environments, reducing replacement frequency by 92% compared with ordinary injectors, and significantly extending the product's service life.
Efficient Fuel Saving & Environmental Protection	Optimized fuel injection logic, 16-hole precision atomization, fuel consumption reduced by 12% compared with previous models, fast response speed (≤0.000005ms).	The fuel-saving and environmental protection performance of 313GC5222M comes from its precise 16-hole atomization design and upgraded injection logic, which ensures full fuel combustion-just like the "secret" to improving combustion efficiency of engineering machinery engines, reducing fuel waste and exhaust emissions, lowering the operation cost for users, and highlighting the product's high cost-effectiveness.
Super Anti-Clogging & Dust-Proof	16-layer nano anti-carbon coating, built-in 13-layer high-precision fuel filter (≤0.5μm), automatic self-cleaning function for nozzle, enhanced dust-proof structure.	This exclusive structural design for 313GC5222M effectively prevents nozzle clogging and carbon deposition caused by low-quality fuel and harsh construction environments of engineering machinery, ensures long-term stable operation, reduces maintenance frequency, and fully adapts to the complex working conditions of heavy-duty equipment like excavators.

This section focuses on the core advantages of 313GC5222M, all of which are closely related to the product's design, material selection and structural optimization. Ultra-high injection precision relies on the upgraded MEMS sensor and 16-hole nozzle, ensuring precise fuel control like the "brain" of the fuel system; enhanced durability comes from high-strength alloy steel and 16-layer anti-corrosion coating; efficient fuel saving and environmental protection are achieved through precise atomization and optimized injection logic, ensuring full fuel combustion and reducing waste; super anti-clogging function ensures stable operation in harsh environments. These advantages directly solve user pain points such as high fuel consumption, short service life, frequent maintenance and poor environmental performance of engineering machinery 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 in engineering machinery, low-quality fuel, impurity acc-umulation, improper maintenance, dust entry, and needle valve jamming caused by fuel impurities-common issues affecting injector performance in excavators.	Clean with b-osCH special ultrasonic cleaning agent for 60 minutes; replace with 313GC5222M OE nozzle (DLLA148P1800) if coating is severely worn; soak the new nozzle in 90℃ hot diesel for 30s before installation to remove anti-rust oil and ensure tight fit, restoring the nozzle's precise atomization function.
Injection Precision Decline	Sensor malfunction, internal valve wear, pressure stabilizer failure, nozzle angle deviation, sensor signal interference, or fuel supply time deviation-issues that directly affect the engine's power output and fuel economy.	Replace 313GC5222M OE sensor and internal valve; recalibrate injection pressure to 3400–4000 bar and nozzle angle to 165°; conduct professional debugging and anti-interference adjustment to restore the product's original precision, ensuring stable power output of engineering machinery.
Fuel Leakage	Aging of high-temperature sealing ring, improper installation torque, corrosion of sealing area, structural damage from collision during construction, or missing/damaged installation gaskets.	Replace with 313GC5222M OE high-temperature sealing ring and gaskets; re-install with 58–63N·m torque; clean and anti-corrode the sealing area with b-osCH special agent, check for body deformation and repair if necessary, avoiding fuel waste and engine damage.
Slow Response Speed	Internal valve blockage, sensor signal delay, insufficient fuel supply, component wear under long-term heavy load, heat dissipation failure, or needle valve jamming due to anti-rust oil residue-issues that affect the responsiveness of engineering machinery during operation.	Clean internal valve with b-osCH special cleaning agent; replace 313GC5222M OE sensor if signal is delayed; check fuel supply system and heat dissipation structure, replace worn parts with OE-spec products to restore response speed, ensuring the product adapts to the frequent start-stop needs of engineering machinery.

This section summarizes common potential problems of 313GC5222M, with root causes closely related to the product's components, working characteristics and harsh applic-ation environments of engineering machinery. All solutions are targeted to the product itself: replacement parts are all OE-spec for 313GC5222M, and calibration parameters are consistent with the product's standard requirements. These solutions ensure the repaired product restores original performance, reduces maintenance costs, and continues to adapt to the harsh working environments of heavy-duty engineering machinery, avoiding issues like power不足 and fuel consumption surge caused by injector failures.

Key Component Features & Maintenance Tips

Component/Item	Features/Maintenance Requirements	Product-Related Significance
Injector Body	High-strength forged alloy steel + 16-layer anti-corrosion coating; avoid collision and heavy pressure during transportation and construction; original packaging for long-distance shipping; check camshaft gap regularly.	The body structure determines the product's durability; as the basic framework of the injector, it provides support for other components. Proper storage and protection prevent deformation and corrosion, ensuring the overall performance of 313GC5222M and adapting to global shipping needs, while regular camshaft gap inspection extends service life.
Precision Nozzle	Laser-drilled 16-hole design + 16-layer anti-carbon coating; clean every 1500 working hours, 600 hours for harsh construction environments; avoid collision with hard objects.	The nozzle is the core component controlling fuel injection quantity and timing. Regular cleaning protects the nozzle's precision and anti-carbon performance, maintaining the atomization efficiency and fuel-saving advantage of 313GC5222M, which is crucial for long-term stability in heavy-duty engineering machinery scenarios.
Sealing Ring	High-temperature resistant fluorine rubber material; replace every 4200 working hours, 3200 hours for harsh environments; check seal tightness after installation.	Timely replacement and inspection avoid fuel leakage, protect internal components of 313GC5222M, extend service life, and follow b-osch's professional maintenance guidelines to ensure the product's stable performance, preventing engine damage caused by fuel leakage.
MEMS Sensor	21st-gen high-precision sensor; inspect every 2800 working hours for signal transmission and anti-interference performance; ensure clean fuel supply to avoid sensor damage.	The sensor acts as the "nerve ending" of the fuel system, transmitting real-time working condition information to the engine control unit (ECU). Regular inspection ensures the sensor's stability, which is the core guarantee of 313GC5222M's ultra-high injection precision and overall operational stability, adapting to complex electromagnetic environments of heavy-duty engineering machinery.

This section links the key components of 313GC5222M 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 engineering machinery, and the corresponding maintenance requirements are formulated based on component service life and harsh working environment. Proper maintenance can extend the product's service life by 96% and maintain its genuine quality performance, ensuring long-term stable operation of the product and maximizing the efficiency of engineering machinery like excavators.



755
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.Super Value - Our rich experience help you increase profit on cost advantage.

2.Establish inquiry library for you, we are your professional sourcing consultant.

3.Quality is culture - professional trading experience help you solve any problem .

4.Time is Gold -You will receive all goods exactly on time .

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 755 truck engine parts auto parts injection unit pump 313gc5222m 313gc5227m 5010284908 original new injector, China bosch injector 755 truck engine parts auto parts injection unit pump 313gc5222m 313gc5227m 5010284908 original new injector suppliers, DIESEL Injector 0414700004, DIESEL Injector 0414701006, hho injection, hydraulic electronic unit injector, id fuel injectors, id1200 injectors