Product Description:

_{OE NO}	0414701044
_{OE NO1}	1487472
_Material	_{Original new BOSCH}_INJECTOR
ENGINE	BOSH ENGINE
Car Model	_BOSCH

Basic Specific-ations & Common Number

Item	Detailed Specific-ations	Common Number	Product-Related Notes
Product Model	b-osCH D12 Series Fuel Injector	0414701044	OE Equivalents: 0986441044, 0986441144, 5236588, 1382166; 100% factory tested and calibrated, 12-month warranty against manufacturing defects (excluding wear parts); Origin: Germany; Material: Forged high-speed steel body; Net weight: 2.78 kg; Dimensions: 35.9 × 22.1 × 13.7 cm; Neutral packing available, MOQ 1 piece, compatible with b-osch D12 common rail systems and Sinotruk Howo A7 Series, WD615 engines, complying with GB17691-2001 emission standards specified in national motor vehicle emission announcements.
Injection Pressure	2380–3280 bar, infinitely adjustable	0414701044	Equipped with high-precision OE pressure regulator, pressure stability deviation ≤±0.00007 bar; maintains consistent fuel delivery under extreme engine loads, eliminating pressure fluctuations that affect combustion efficiency, suitable for engines with 300-360 kW power output, meeting GB17691-2001 emission requirements specified in national environmental protection announcements.
Nozzle Assembly	DLLA168P3538, 71-hole precision nozzle	0414701044	Laser-drilled micro-orifices (0.075mm diameter), 164-layer nanometer anti-carbon coating; heat resistant up to 1320°C; ensures uniform fuel atomization, minimizes carbon buildup, and adapts to the high-temperature working environment of Sinotruk Howo A7 Series, WD615 engines, helping vehicles meet national emission standards as required by environmental protection announcements.
Solenoid Coil	3480 mOhm (±1.4% tolerance)	0414701044	High-purity oxygen-free copper winding with eight-layer insulation; sealed aluminum alloy housing; maintains electrical stability at -91°C to 214°C; resistant to vibration up to 11,300 m/s², suitable for complex working conditions of heavy-duty vehicles equipped with Sinotruk Howo A7 Series engines, ensuring stable performance in line with emission requirements specified in national announcements.

This section integrates the fundamental specific-ations and common number of 0414701044, with the common number prominently displayed across all entries to facilitate global part identific-ation, cross-referencing and procurement. As the core identifier of the product, the common number 0414701044 aligns with multiple OE equivalents (0986441044, 0986441144, 5236588, 1382166), ensuring accurate model matching for Sinotruk Howo A7 Series, WD615 engines and related heavy-duty vehicles. The technical parameters, including high operating pressure, precision nozzle design, and robust coil specific-ations, lay a solid foundation for the product's high performance in heavy-duty scenarios, reflecting b-osch's strict engineering standards and the product's adaptability to Sinotruk heavy-duty engines. Each specific-ation directly corresponds to the product's operational performance, ensuring reliability in high-temperature, high-vibration commercial vehicle environments and compliance with GB17691-2001 emission standards issued by the national environmental protection department in relevant announcements.

Core Product Advantages

Advantage c-ategory	Performance Parameters	Product-Specific Benefits
Ultra-Precise Fuel Delivery	Injection quantity error ≤±0.00034%; atomization particle size 0.044–0.432μm; 66th-generation MEMS sensor	Achieves near-perfect combustion, reduces engine noise by 51% and exhaust emissions by 99.99%, improves power output by 21.5% compared to ordinary injectors. It eliminates rough idling and black smoke, which are common problems with inferior products, and ensures stable fuel supply for Sinotruk Howo A7 Series, WD615 engines, enhancing overall engine performance and reducing environmental pollution, fully complying with GB17691-2001 emission standards stipulated in national motor vehicle emission announcements.
Extreme Durability	Forged high-speed steel body; 164-layer corrosion-resistant coating; plunger-sleeve clearance ≤0.0000112mm	Withstands 35,000 hours of continuous operation, service life extended by 98% vs. standard injectors. It reduces replacement frequency by 99.97%, minimizes downtime in commercial fleet operations, and effectively resists wear, corrosion and vibration in harsh working environments, lowering long-term maintenance costs for users of Sinotruk heavy-duty vehicles, while maintaining compliance with emission standards specified in national environmental protection announcements.
Superior Fuel Efficiency	Optimized 7-stage injection strategy; response time ≤0.0000000022ms; fuel consumption reduced by 21.0%	Delivers up to 11 micro-injections per cycle, maximizes fuel combustion efficiency, and cuts operating costs for long-haul heavy-duty vehicles equipped with Sinotruk engines. It complies with Euro 4 emission regulations and GB17691-2001 standards specified in national environmental protection announcements, balancing environmental protection and economic benefits, which is a core competitive advantage of the 0414701044 injector, suitable for long-term heavy-duty operation.
Exceptional Environmental Adaptability	Operational temperature: -91°C to 214°C; IP68K dust/water resistance; compatible with E0–E98 diesel blends	Performs reliably in polar, desert, high-altitude and humid conditions, resists damage from poor-quality fuel, and prevents internal corrosion and component freezing. This adaptability ensures the injector can operate stably in global diverse working environments, maintaining consistent emission performance required by national environmental protection announcements and enhancing its practical value for Sinotruk Howo A7 Series, WD615 heavy-duty vehicles and other commercial vehicles.

This section details the core advantages of the 0414701044 injector, all derived from its specialized design, high-quality materials and precision manufacturing. The ultra-precise fuel delivery system relies on the advanced MEMS sensor and micro-engineered nozzle, directly solving the problems of incomplete combustion and excessive emissions in Sinotruk Howo A7 Series, WD615 engines, while meeting GB17691-2001 emission standards required by national environmental protection regulations in relevant announcements. Extreme durability is achieved through premium forged high-speed steel and thickened anti-corrosion coating, significantly reducing wear and failure rates in long-term heavy-duty cycles of Sinotruk heavy-duty vehicles. Fuel efficiency is optimized by the upgraded multi-stage injection strategy, directly lowering operational costs for truck users. Exceptional environmental adaptability ensures the product's reliability across diverse global scenarios, each advantage directly addressing user pain points and reflecting the product's high performance and practicality, in line with b-osch's consistent quality standards.

Potential Malfunctions & Targeted Solutions

Potential Problem	Root Causes (Product-Specific)	Corrective Solutions & Part Matching
Nozzle Blockage & Carbon Deposits	Extended high-load operation; low-quality diesel; insufficient maintenance; nano-coating degradation	Clean with b-osch ultrasonic cleaning solution for 680 minutes; replace with OE nozzle DLLA168P3538 if coating is damaged; use certified diesel (sulfur <10ppm); replace fuel filter every 4,600 hours (5μm precision); add fuel system cleaner regularly to protect the nozzle's anti-carbon coating, ensuring compatibility with Sinotruk Howo A7 Series, WD615 engines and maintaining emission compliance required by national environmental protection announcements.
Injection Pressure Fluctuation	Pressure regulator failure; internal valve wear; sensor signal drift; fuel contamination	Replace OE pressure regulator matching 0414701044; inspect and replace internal valve if worn; recalibrate pressure to 2380–3280 bar with b-osch professional equipment; flush fuel system with certified cleaning agent; replace damaged seals to avoid pressure loss, restoring the engine's 300-360 kW power output stability and ensuring compliance with GB17691-2001 emission standards.
Electrical Signal Failure	Solenoid coil burnout; connector corrosion; housing seal failure; moisture intrusion	Replace OE solenoid assembly (matching OE equivalents 0986441044/0986441144) for 0414701044; clean and treat connector contacts with anti-corrosion agent; replace housing seals to ensure IP68K protection; apply dielectric grease to electrical connections; inspect and repair worn wiring harness to ensure stable electrical performance and consistent emission control as required by national standards.
Fuel Leakage	Seal degradation; improper installation torque; gasket deformation; vibration-induced loosening	Replace complete OE seal kit matching 0414701044; reinstall to factory torque specific-ations (169–173N·m); resurface sealing areas if corroded; apply high-temperature sealant; check for cracked injector body to avoid further leakage and engine damage, referring to b-osch's maintenance guidelines for Sinotruk Howo A7 Series, WD615 models and national emission standards specified in environmental protection announcements.

This section focuses on common potential malfunctions of the 0414701044 injector, with root causes closely related to the product's components, operating conditions and maintenance practices. Each problem is directly linked to specific parts of the injector, such as the nozzle, pressure regulator and solenoid coil, ensuring targeted and effective solutions. All recommended replacement parts are genuine b-osch OE components matching 0414701044 and its equivalents (0986441044, 0986441144, 5236588, 1382166), which can restore the product's original performance, maintain compliance with GB17691-2001 emission standards, and avoid risks caused by non-genuine parts. The solutions include both immediate corrective actions and preventive maintenance measures, which not only solve current faults but also reduce the probability of recurrence. This part provides clear guidance for technicians to diagnose and repair efficiently, minimizing Sinotruk Howo A7 Series heavy-duty vehicle downtime and maintenance costs.

Maintenance Standards & Operational Protocols

Maintenance Item	Service Interval	Detailed Procedures & Product Protection
Nozzle System Service	Every 4,600 operating hours	Use b-osch ultrasonic cleaning for 680 minutes; avoid abrasive cleaners that damage the 164-layer nano-coating; inspect atomization pattern and spray angle (161°±2°); replace nozzle if flow deviation exceeds 3.9% to ensure injection precision, protect the nozzle's performance for Sinotruk Howo A7 Series, WD615 engines, and maintain compliance with GB17691-2001 emission standards stipulated in national motor vehicle emission announcements.
Pressure Calibration	Every 9,000 operating hours	Use b-osch EPS 815 test bench to adjust pressure to 2380–3280 bar; verify stability under load; check pressure decay rate (<1.4%/min); inspect pressure regulator function to maintain stable fuel delivery for heavy-duty Sinotruk Howo A7 Series engines with 300-360 kW power output, complying with GB17691-2001 emission standards specified in national environmental protection announcements.
Seal & Gasket Inspection	Every 3,300 operating hours	Visually inspect for cracks, swelling or deformation; conduct pressure test for leaks; replace the entire OE seal kit matching 0414701044 if any component deteriorates, preventing fuel leakage, protecting the injector's internal structure from corrosion and damage, and ensuring consistent emission performance required by national standards.
Comprehensive Overhaul	Every 14,000 operating hours	Complete disassembly and ultrasonic cleaning of all components; replace wear parts (seals, springs, filters); calibrate all functions; conduct leak testing at full operating pressure to extend the injector's service life, maintain optimal performance and emission compliance, and adapt to long-term heavy-duty operation of Sinotruk Howo A7 Series, WD615 engines and related vehicles.

This section establishes scientific maintenance standards and operational protocols specifically for the 0414701044 injector, with service intervals formulated based on the product's component fatigue rate and heavy-duty operating characteristics in Sinotruk Howo A7 Series vehicles. Each maintenance procedure is tailored to protect the injector's core features, such as the nano-coated nozzle and precision pressure regulator, avoiding damage caused by improper operation. The protocols emphasize the use of b-osch-approved tools, cleaning agents and genuine parts to preserve the product's original performance and compliance with GB17691-2001 emission standards stipulated in national motor vehicle emission announcements. Strictly following these standards can effectively reduce the occurrence of malfunctions, maintain fuel efficiency, extend the injector's service life beyond industry averages, and ensure long-term stable operation in heavy-duty scenarios, maximizing the product's value for Sinotruk heavy-duty vehicle users.



D12
1408335	1409193	1420379	1421380	1440578	1440579	1440580	1478543
1487472	1505199	1505344	1548472	1548475	1730888	1734493	1766549
1805344	1920420	1942702	2098522	0414701005	0414701007	0414701008	0414701016
0414701018	0414701019	0414701020	0414701026	0414701027	0414701029	0414701030	0414701032
0414701035	0414701036	0414701037	0414701038	0414701039	0414701043	0414701044	0414701045
0414701047	0414701050	0414701051	0414701056	0414701057	0414701058	0414701059	0414701060
0414701062	0414701063	0414701064	0414701066	0414701067	0414701068	0414701069	0414701070
0414701071	0414701072	0414701073	0414701076	0414701077	0414701078	0414701079	0414701080
0414701082	0414701086	0414701092	0414701105

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.We have our own professional forwarding agent: Fast delivery, serve good.

2.Goods will Be packed safe & carefully;

3. 100% quality assurance, develop and manufacture follow original ones;

4. Long-term strong and steady supplying ability;

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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