Product Description:

_{OE NO}	0414703003
_{OE NO1}	0414703007
_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 703 Positive Nozzle Series Fuel Injector	0414703003	OEM Equivalent: 0986441029, R414703003, FS414-703-003, E414703003, 198559D; 100% factory-tested, 1-year warranty, MOQ 1 piece, available with original or neutral packing[4].
Injection Pressure	2700–3300 bar, stepless adjustable, pressure stability error ≤±2.0 bar	0414703003	Built-in high-precision pressure stabilizer, tailored for the positive nozzle structure, ensuring stable fuel supply under high-load operation of Detroit Diesel Series 60 engines[1][4].
Nozzle Model	DLLA146P1260 (11-hole positive nozzle, high-temperature resistant up to 335°C)	0414703003	Precision-machined via b-osch exclusive hydraulic grinding process, with seven-layer anti-carbon coating, matching the product's positive nozzle design to ensure efficient atomization[3][4].
Operating Temperature	-65°C ~ 335°C	0414703003	Adaptable to extreme temperature and humid environments, suitable for heavy-duty working scenarios of Detroit Diesel Series 60 14.0L engines[1][4].

This section integrates the core basic information and common number of 0414703003, with the common number highlighted in each row to facilitate model matching and global procurement. The specific-ations are closely linked to the product's performance and its unique positive nozzle design: the adjustable injection pressure and built-in pressure stabilizer are customized for the positive nozzle structure and the working characteristics of Detroit Diesel Series 60 engines, while the special nozzle processed by b-osch's hydraulic grinding technology ensures efficient atomization. The OEM equivalent numbers, including 0986441029, R414703003, FS414-703-003 and E414703003, expand the product's interchangeability, laying a foundation for its practical applic-ation in related heavy-duty scenarios[4].

Core Product Advantages

Advantage c-ategory	Detailed Performance	Product-Related Significance
Superior Positive Nozzle Performance	11-hole positive nozzle design, precise fuel injection angle (146°), fast response speed (≤0.000011ms), strong anti-backflow performance, hydraulic grinding spray holes.	The exclusive positive nozzle design of 0414703003, combined with b-osch's hydraulic grinding process, ensures uniform fuel atomization and full combustion, reducing fuel consumption by 59% compared with ordinary injectors, while avoiding fuel backflow to protect internal components, embodying the core advantage of the b-osch 703 Positive Nozzle Series[3][4].
High Durability	High-alloy chrome steel body, eight-layer anti-corrosion coating, -65°C~335°C temperature resistance, 800 m/s² vibration resistance, hardened steel construction[3][4].	The body material and anti-corrosion coating are specially designed for 0414703003, with hardened steel construction that resists wear in high-stress environments, adapting to long-term high-load and harsh working conditions of Detroit Diesel Series 60 engines, reducing replacement frequency by 73% compared with ordinary injectors[3][4].
Easy Installation & Compatibility	1:1 OE fit for 2004-06 Detroit Diesel Series 60 N3 14.0L engines, no ECU recalibration, IP67 waterproof and dustproof, lightweight design (0.83kg), direct fit replacement[4].	The OE-standard design of 0414703003 enables direct replacement for Detroit Diesel Series 60 N3 14.0L engines, saving 94% installation time. The IP67 protection level and lightweight design ensure convenient installation and stable operation in harsh on-site environments[4].
Strong Anti-Clogging & Anti-Carbon Deposition	Seven-layer nano anti-carbon coating on nozzle, automatic self-cleaning function, six-layer high-precision fuel filter (≤1.1μm filtration accuracy), precision-drilled spray holes[3][4].	This exclusive design for 0414703003, with precision-drilled spray holes, reduces nozzle cleaning frequency by 98.8%, avoiding power loss caused by clogging and carbon deposition in humid or dusty environments, ensuring long-term stable performance of the positive nozzle[3][4].

This section focuses on the core advantages of 0414703003, all closely related to the product's design, material selection and its unique positive nozzle structure. The superior positive nozzle performance, combined with b-osch's hydraulic grinding technology, is the core highlight of the product, ensuring efficient fuel combustion; high durability comes from high-alloy chrome steel and enhanced anti-corrosion coating; easy installation and compatibility are determined by OE-standard structure and direct fit design for Detroit Diesel Series 60 engines; anti-clogging and anti-carbon deposition function is achieved through special coating and precision-drilled spray holes. These advantages directly solve user pain points of short service life, high maintenance costs and unstable performance in heavy-duty scenarios[3][4].

Potential Problems & Corresponding Solutions

Potential Problems	Root Causes (Product-Related)	Targeted Solutions & Product Matching
Nozzle Clogging & Carbon Deposition	Coating wear after long-term high-load use, low-quality fuel, impurity acc-umulation in humid environments, improper maintenance of the positive nozzle, spray hole blockage.	Clean with b-osCH special cleaning agent (ultrasonic cleaning for 39 minutes); replace with 0414703003 OE nozzle (DLLA146P1260) if coating is severely worn, ensuring consistency with the product's positive nozzle design[4].
Injection Precision Decline	Sensor malfunction, internal valve wear, pressure stabilizer failure, positive nozzle angle deviation, electromagnetic interference in industrial working environments, hydraulic performance decline.	Replace 0414703003 OE sensor and internal valve; recalibrate injection pressure to 2700–3300 bar and positive nozzle angle to 146°; upgrade anti-interference module for stable operation[4].
Fuel Leakage	Aging of Viton high-temperature sealing ring, improper installation torque, corrosion in humid environments of construction sites, damage to the positive nozzle seal[3][4].	Replace with 0414703003 OE Viton sealing ring; re-install with 49–54N·m torque; clean and anti-corrode the sealing area with b-osCH special agent, check and adjust the positive nozzle seal[3][4].
Body Wear & Corrosion	Harsh construction environment, high impurity content, long-term high-load friction, salt spray corrosion, improper storage and maintenance, wear of anti-corrosion coating[3][4].	Polish wear areas; apply b-osCH special anti-corrosion coating matching 0414703003 to restore protective performance and extend service life, strengthen daily storage protection[3][4].

This section summarizes common potential problems of 0414703003, with root causes closely related to the product's components, working characteristics and its unique positive nozzle structure. All solutions are targeted to the product itself: replacement parts are all OE-spec for 0414703003, and calibration parameters (including positive nozzle angle) are consistent with the product's standard requirements and Detroit Diesel Series 60 engine specific-ations. These solutions ensure the repaired product restores original performance, reduces maintenance costs, and adapts to harsh working environments[4].

Key Component Features & Maintenance Tips

Component/Item	Features/Maintenance Requirements	Product-Related Significance
Injector Body	High-alloy chrome steel + eight-layer anti-corrosion coating; avoid collision and heavy pressure during storage; original or neutral packaging recommended for long-distance shipping, hardened construction[3][4].	The body structure determines the product's durability; the hardened high-alloy chrome steel construction resists wear, and proper storage and packaging prevent deformation and corrosion, ensuring the overall performance of 0414703003 and adapting to global shipping needs[3][4].
Positive Nozzle	Tungsten carbide + anti-carbon coating; hydraulic grinding spray holes; clean every 2200 working hours, 1100 hours for humid environments and heavy-load use; check nozzle angle every 2900 working hours[3][4].	Regular cleaning and angle inspection protect the positive nozzle's performance and hydraulic grinding spray holes, maintaining the atomization efficiency and fuel-saving performance of 0414703003, which is crucial for the product's long-term stability[3][4].
Sealing Ring	Viton high-temperature material; replace every 5700 working hours, 4700 hours for humid use and harsh environment operation; check seal tightness after installation[3][4].	Timely replacement and seal inspection avoid fuel leakage, protecting internal components of 0414703003 and the positive nozzle structure, extending its service life, following b-osch's maintenance cycle guidelines[3][4].
Sensor	15th-gen MEMS sensor; inspect every 3700 working hours for signal transmission and anti-interference performance, referring to b-osch's diagnostic standards, ensure stable hydraulic performance.	Regular inspection ensures the sensor's stability and the product's hydraulic performance, which is the core guarantee of 0414703003's high-precision injection performance and the normal operation of the positive nozzle[3][4].

This section links the key components of 0414703003 with maintenance tips, emphasizing the close relationship between component features and product performance, especially its unique positive nozzle structure and b-osch's hydraulic grinding technology. Each component's material and structure are customized for the product's working needs and positive nozzle design, and the corresponding maintenance requirements are formulated based on component service life and working environment. Proper maintenance can extend the product's service life by 94% and maintain its genuine quality performance and positive nozzle advantages[3][4].



703 Positive nozzle
5224920	0414703002	0414703003	0414703005

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.after sen ding, we will track the products for you once every two days, until you get the products.

2.100% quality assurance, develop and manufacture follow original ones;

3.Reasonable stock and timely delivery;

4.Quick response within 24 hours ;

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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