Description
Product Overview
The electronically controlled common rail injector receives ultra-high-pressure fuel from the common rail pipe. It uses an electromagnetic assembly at the top to receive electrical signals from the engine control unit, driving the internal precision valve core to open and close rapidly. This breaks the high-pressure fuel into a fine mist that is injected into the cylinder for combustion and power generation. Under prolonged road operation, continuous exposure to impure diesel, and alternating thermal and mechanical vibrations in the engine compartment, internal wear on the valve core sealing surfaces, nozzle orifice enlargement, and aging of internal seals may lead to imbalanced fuel delivery among cylinders, rapid pressure loss in the high-pressure oil circuit, reduced engine power output, and excessive black smoke emissions. This product features standardized dimensions, oil line interface specifications, and electromagnetic signal compatibility, enabling direct replacement of the entire injector assembly during maintenance—eliminating the need for disassembling and re-calibrating delicate internal components. It is suitable for maintenance of light-duty pickup trucks, light commercial vehicles, small construction machinery, and compact diesel generator sets.
Core Advantages
- **Longitudinal segmented composite alloy steel housing**: Resistant to rust, high pressure, deformation, and oil leakage.
The housing is machined from segmented alloy steel using CNC turning, with surface passivation treatment. Designed to fit tight cylinder head installation spaces, it can withstand long-term high-pressure fuel impact, resist corrosion from diesel fuel, and endure extreme temperature fluctuations in the engine compartment. The threaded connections are less prone to stripping, and the housing resists cracking and leakage, ensuring long-term high-pressure sealing performance.
- **Side-mounted integrated dual oil inlet/outlet ports**: Ensures smooth and stable fuel circulation and rail pressure.
Integrated side ports for fuel supply and return lines eliminate joints and reduce flow resistance under high pressure. Excess fuel can quickly recirculate and relieve pressure, stabilizing the base rail pressure and eliminating issues such as elevated idle pressure and excessive single-injection volume, which cause carbon buildup and black smoke.
- **Top-mounted integrated electromagnetic drive unit**: Enables synchronized response to electronic signals with no delay.
Pre-assembled electromagnetic actuator at the top ensures sensitive signal transmission and immediate, lag-free reciprocating motion of the valve core. Precisely controls single-shot fuel injection volume and timing, ensuring smooth idling and linear acceleration without hesitation.
- **Front-end multi-stage stepped positioning nozzle**: Ensures coaxial alignment and uniform atomization.
A multi-stage stepped design automatically locks into place within the cylinder head mounting hole, preventing misalignment. Equipped with precision multi-micro-orifice spray nozzles, it produces fine, evenly distributed fuel droplets, ensuring thorough fuel-air mixing, reducing internal carbon deposits, and lowering fuel consumption.
- **Built-in multi-layer oil-resistant sealing structure**: Provides bidirectional protection against leakage and air backflow.
Multiple grades of oil-resistant fluororubber sealing rings are installed internally to separate high- and low-pressure oil circuits, preventing high-pressure fuel leakage through assembly gaps. Also prevents air from being drawn back into the oil circuit after shutdown, avoiding air ingestion upon restart and slow pump pressurization.
- **Factory calibration on full-condition test bench**: No secondary adjustment required after installation.
Each injector undergoes independent testing for electromagnetic response speed, high-pressure seal retention time, atomization uniformity, and standard injection flow rate before leaving the factory. Consistent performance parameters ensure quick restoration of engine power output after installation, significantly reducing maintenance and calibration time.
Accessories List
- 295050-0120 Complete Electronically Controlled Common Rail Injector Assembly: 1 piece
- Pre-installed front-end sealing gasket and nozzle dust cap
- Pre-installed top-side electromagnetic end dust cover
Applicable Scenarios
Suitable for light-duty commercial vehicles, pickups, small wheeled construction equipment, and compact stationary diesel generator sets equipped with high-pressure common rail fuel systems. Ideal for urban short-haul transport, light-duty construction work, rural road driving, and environments with impure diesel causing corrosion—perfect for complete replacement of fuel injection systems in light-duty electronically controlled common rail diesel engines.
Basic Product Specifications
- Product Name: 295050-0120 Electronically Controlled Common Rail Injector Assembly
- Part Number: 295050-0120
- Main Materials: Segmented composite alloy steel housing, hardened alloy steel internal valve core and atomizing nozzle, alloy electromagnetic drive component, multi-layer oil-resistant fluororubber seals Structural Features: Slender segmented metal housing, side-mounted integrated dual oil passage inlet/outlet, top-mounted integrated electromagnetic control drive end, front-end multi-stage stepped limit atomizing nozzle, and built-in layered high/low pressure sealing structure.
Applicable Conditions: Ultra-high pressure fuel electronically controlled quantitative atomization injection, continuous vibration in engine compartments with alternating hot and cold conditions, lightweight electronically controlled common rail diesel engines for corrosive diesel media—core injection unit.
Product Condition: Brand new complete injector assembly, factory-calibrated with full bench testing for electromagnetic response, high-pressure sealing, and atomization flow rate.
Packaging: Individually packed in thickened shock-resistant rigid tube casing; nozzles, oil passage interfaces, and electromagnetic ends all equipped with dust-proof protective plugs; foam cushioning to prevent internal precision components from damage during transit due to impact or scratches. Supports individual retail sales and bulk box purchases, suitable for cross-border small parcel logistics.
