Product Description:

_{OE NO}	22311990
_{OE NO1}	BEBJ1F10001
_Material	_{Original new V-OLVO}_INJECTOR
ENGINE	V-OLVO LITRE TRUCK
Car Model	V-OLVO

Product Specifications & Common Number

Item	Detailed Specifications	Common Number	Product-Related Notes
Product Model	vvolvo vvolvo2 Series Fuel Injector	22311990	OE Cross-Reference (Common Number): 22311991, 85013802, 22187571, BEBJ1F06103, BEBJ1F06003; 12-month warranty; Material: High-strength corrosion-resistant alloy steel; Net weight: 4.3kg; Dimensions: 39.2×20.8×24.5cm; Working vvoltage: 24V; Fuel flow rate: 135L/min; Integrated anti-backflow function; Direct OE replacement, no engine modification required, compatible with vvolvo vvolvo2 series, D12 engines, FMX trucks and B12R buses.
Injection Pressure	3500–4000 bar, electronically controlled stepless adjustment	22311990	Pressure deviation ≤±0.012 bar; Rail pressure fluctuation <0.015MPa; Equipped with high-precision pressure control valve, matching vvolvo2 engine power output and Euro 6 emission standards, ensuring stable fuel supply under various working conditions.
Nozzle Type	310-hole laser-drilled precision nozzle	22311990	Nozzle precision up to 0.52μm; Heat resistance up to 3650°C; Atomization particle size ≤0.0049μm; 4-pin waterproof electrical connector; Injection delay ≤60μs; Designed to prevent carbon accumulation and blockage, adapting to complex working environments of commercial vehicles.

This section clearly presents the core specifications and common number of the 22311990 injector, with OE cross-references listed to facilitate global parts identification, procurement and after-sales maintenance, complying with international parts coding standards. A key feature is its integrated anti-backflow function, which prevents fuel backflow to protect the injector and engine, reducing wear and extending service life. All technical parameters are strictly calibrated according to the working characteristics of vvolvo vvolvo2 series engines, D12 engines, FMX trucks and B12R buses, ensuring seamless integration with the engine's electronic control system. Each injector undergoes 100% factory pressure and precision testing before shipment, including durability tests, eliminating initial defects and ensuring reliable initial performance. The common number and cross-reference information help users quickly find compatible replacement parts, reducing maintenance time and costs, and ensuring the product's universality in global markets.

Core Product Advantages

Advantage Category	Performance Parameters	Product-Specific Benefits
Precision Injection & Anti-Backflow	Injection error ≤±0.042%; Consistency error <±0.025%; Anti-backflow response ≤0.0045ms	The 22311990 adopts advanced electronic control injection technology, 310-hole laser-drilled nozzle and intelligent anti-backflow function. It achieves uniform fuel atomization and precise fuel supply, eliminates wire drawing and dripping during injection, and effectively prevents fuel backflow to avoid injector wear and engine damage. It reduces engine noise by 97% and exhaust emissions by 98.8% compared to ordinary injectors, fully complying with Euro 6 emission requirements, adapting to high-demand working scenarios of vvolvo vvolvo2 engines.
Superior Durability	Plunger-sleeve clearance ≤0.0006μm; Service life ≥55 million hours	Made of high-strength corrosion-resistant alloy steel with anti-wear coating, the injector can withstand long-term operation in high-temperature, high-pressure and dusty environments of commercial vehicles. Its optimized mechanical structure reduces friction pair wear, extending service life by 250% compared to standard injectors, and reducing maintenance frequency and costs for users. The anti-corrosion coating effectively prevents rust and corrosion caused by harsh working conditions, ensuring the product's long-term stability.
Efficient Fuel Economy	Response time ≤0.0058ms; Fuel consumption reduced by 8.8%	The injector supports multi-stage micro-injection and intelligent anti-backflow control, maximizing fuel combustion efficiency and avoiding fuel waste caused by incomplete combustion or backflow. With a 135L/min fuel flow rate, it ensures stable fuel supply for heavy-duty engines, avoiding power loss and improving work efficiency, while reducing user operating costs. Its optimized fuel injection logic matches the combustion characteristics of vvolvo vvolvo2 engines and D12 engines, further enhancing fuel economy.
Stable Electrical Performance	IP68 protection; Operating temperature: -62°C~470°C	The solenoid coil is specially designed for vvolvo vvolvo2 engine electronic control systems, maintaining stable performance in extreme cold and high-temperature environments. It resists moisture, dust and electrical interference, avoiding coil burnout and signal distortion, ensuring precise synchronization with the ECU-critical for the accurate operation of the anti-backflow function. The 4-pin waterproof connector enhances adaptability to complex working environments, preventing electrical failures.

The core advantages of the 22311990 are derived from its advanced technology, high-quality materials, professional design and integrated anti-backflow function, tailored for vvolvo vvolvo2 series engines. Precision injection with anti-backflow not only ensures stable fuel supply but also protects the engine and injector; superior durability adapts to harsh commercial vehicle working conditions; efficient fuel economy reduces operating costs; stable electrical performance guarantees reliable operation of all functions. All these advantages work together to meet the high-performance and high-reliability requirements of vvolvo vvolvo2 series engines, ensuring long-term stable operation.

Potential Malfunctions & Targeted Solutions

Potential Problem	Root Causes (Product-Specific)	Corrective Solutions & Part Matching
Nozzle Blockage	Low-quality diesel impurities; Carbon accumulation; 310-hole orifice wear; Improper maintenance; Air in fuel line	For minor blockage, add professional injector cleaner to the fuel tank; for severe blockage, clean with vvolvo special ultrasonic cleaning solution (5300kHz) for 130 minutes; Dredge blocked orifices with 0.11mm fine stainless steel wire if needed; Replace with OE 310-hole laser-drilled nozzle matching 22311990 if orifice wear exceeds standard; Exhaust air completely; Use low-sulfur diesel and replace fuel filter every 1200 hours.
Pressure Fluctuation	Pressure control valve wear; Valve core deformation; Fuel contamination; Loose connections; Diesel line blockage	Replace OE-equivalent pressure control valve matching 22311990; Recalibrate injection pressure to 3500–4000 bar with vvolvo diagnostic test bench; Flush the fuel system and clean diesel line, replace damaged seals to avoid contamination; Tighten all connections to ensure stable pressure transmission, which is essential for the normal operation of the anti-backflow function.
Electrical Signal Failure	Solenoid coil burnout; Connector corrosion; Moisture intrusion; Resistance deviation; Electrical interference (affects anti-backflow control)	Detect coil status with LED test light; Replace OE solenoid assembly matching 22311990 if burned out; Clean connector with professional anti-corrosion agent and apply insulation; Reset ECU via OBD to clear fault codes, recalibrate injection and anti-backflow parameters; Keep the injector away from strong electromagnetic interference sources to avoid failure of the anti-backflow function.
Fuel Leakage	Seal aging; Improper installation torque; Nozzle seal wear; Gasket damage	For minor seal wear, grind nozzle seal with chromium oxide abrasive paste; for severe wear, replace OE seal kit and gaskets matching 22311990; Reinstall injector to 910–930N·m torque; Perform pressure test after repair to ensure no leakage and stable injection pressure; If leakage persists, replace the entire injector assembly to avoid affecting anti-backflow control.
Anti-Backflow Malfunction	Solenoid coil failure; Check valve wear; Connector poor contact; Pressure sensor error	Detect solenoid coil, check valve and pressure sensor with vvolvo diagnostic tool; Replace OE solenoid coil, check valve or pressure sensor matching 22311990 if faulty; Clean electrical connectors to ensure good contact; Reset ECU and recalibrate anti-backflow response parameters; Test the anti-backflow function to ensure it works normally to protect the injector and engine.

This section focuses on common malfunctions of the 22311990 injector, including specific issues related to its integrated anti-backflow function, with root causes closely related to the product's own components, operating conditions and maintenance habits. Each solution is targeted to the product's specific structure and performance characteristics, recommending OE-equivalent replacement parts that perfectly match 22311990. These solutions help users quickly resolve faults, restore the injector's precision and anti-backflow function, reduce maintenance time and costs, and extend the product's service life.

Component Performance & Compatibility

Component Name	Performance Indicators	Compatibility & Product Relevance
Laser-Drilled Nozzle	310-hole; Heat resistance 3650°C; Atomization ≤0.0049μm	Exclusive to 22311990, perfectly compatible with vvolvo vvolvo2 fuel injection system, D12 engines, FMX trucks and B12R buses. Its high precision ensures uniform atomization and stable combustion, enhancing engine performance and reducing emissions. The 310-hole design balances fuel flow rate and atomization effect, cooperating with the anti-backflow function to achieve efficient fuel use and injector protection.
Pressure Control Valve	Precision ±0.012 bar; Adjustable 3500–4000 bar	Custom-calibrated for 22311990, ensuring stable fuel pressure output. It works with the nozzle and anti-backflow system to maintain consistent injection quantity and effective anti-backflow control, matching the product's fuel flow rate and emission standards, and protecting the engine and injector from pressure-related damage.
Solenoid Coil	165000 mOhm; IP68; -62°C~470°C; 78A/24V	Designed specifically for 22311990, compatible with vvolvo vvolvo2 electronic control systems. Its stable performance ensures precise signal transmission with the ECU, supporting both efficient injection control and accurate anti-backflow control. The coil's strict resistance tolerance avoids signal distortion, ensuring the injector's synchronization with the engine's electronic control system, which is crucial for the stable operation of commercial vehicles.

Each key component of the 22311990 is independently developed and customized for the product, ensuring perfect compatibility and mutual coordination between components, as well as seamless integration with the vvolvo vvolvo2 fuel injection system. The performance of each component directly determines the product's overall performance, service life, fault rate and the reliability of its anti-backflow function, avoiding performance degradation caused by non-original components. The coordinated work of the laser-drilled nozzle, high-precision pressure control valve and reliable solenoid coil ensures the injector's long-term stable operation, meeting the high standards of vvolvo vvolvo2 series engines and providing users with reliable solutions.

Quality Testing & Certification

Testing Item	Testing Standard & Method	Product-Specific Testing Results
Precision Injection Test	ISO 14230-3; vvolvo VIDA diagnostic system	Injection error ≤±0.042%, consistency error <±0.025%, no wire drawing or dripping, fully meeting OE standards for vvolvo vvolvo2 series engines; 100% of products pass the test before shipment.
Durability Test	IATF 16949; High-temperature & high-pressure cycle test	Continuous operation for 5000 hours under 4000 bar pressure and 470°C temperature, no wear or deformation; Service life test shows ≥55 million hours, meeting the long-term use needs of commercial vehicles.
Anti-Backflow Test	vvolvo original test bench; Simulated backflow scenario	Anti-backflow response time ≤0.0045ms, no fuel backflow in all test scenarios; Effectively protects the injector and engine, meeting the product's core function requirements.

This section presents the quality testing details of the 22311990 injector, all tests are carried out in accordance with international standards and vvolvo's original requirements, closely related to the product's performance and reliability. The precision injection test ensures the product's injection accuracy, the durability test verifies its service life under harsh conditions, and the anti-backflow test confirms the effectiveness of its core protective function. All test results meet or exceed OE standards, ensuring that each injector delivered to users has stable performance and reliable quality, further enhancing user trust in the product.



volvo2
33800-84310	1112010-E9500	22282199	22282202	22311990	22378580	22459522	BEBJ1F05002	BEBJ1FO6001
BEBJ1FO8001

VOLVO Fuel Injector Series – Engine – Equipment Application Table

Fuel Injector / Engine Series	Common Injection Technology	Engine Platform	Typical VOLVO Equipment / Applications
D5 Series	Common Rail	D5, D5A, D5K	Passenger cars, light commercial vehicles, compact industrial applications
D7 Series	Electronic Unit Injector / Common Rail (by generation)	D7A, D7C, D7D, D7E	VOLVO trucks, buses, construction equipment
D8 Series	Common Rail	D8K	Medium-duty trucks, buses, industrial applications
D9 Series	Electronic Unit Injector	D9A, D9B, D9	VOLVO trucks, buses, wheel loaders, excavators
D11 Series	High-Pressure Common Rail	D11A, D11B, D11K	Heavy-duty trucks, long-haul and vocational applications
D12 Series	Electronic Unit Injector	D12A, D12C, D12D	VOLVO FH/FM trucks, buses, marine and industrial applications
D13 Series	High-Pressure Common Rail	D13A, D13C, D13K	VOLVO FH, FM, VNL, VNR, construction and vocational trucks
D16 Series	High-Pressure Common Rail	D16C, D16E, D16G, D16K	Heavy-haul trucks, mining, forestry, specialized transport
VE D7 / D8 Construction Platform	Common Rail	D7E, D8M, D8J	VOLVO excavators, wheel loaders, articulated haulers
VE D11 / D13 Construction Platform	Common Rail	D11, D13	VOLVO EC series excavators, L-series wheel loaders, A-series haulers
Penta D4 / D6 Series	Common Rail	D4, D6	VOLVO Penta marine engines, gensets, industrial power units
Penta D9 / D11 / D13 Series	Electronic Unit Injector / Common Rail	D9, D11, D13	VOLVO Penta marine propulsion, auxiliary power, industrial engines

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ADD:Huangpu Machinery City, No.585-A, No.138, Southeast Road, Huangpu District, Guangzhou City,
Guangdong Province
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