Product Description:

_{OE NO}	0414701086
_{OE NO1}	2599428
_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	0414701086	OE Equivalents: 0986441086, 0986441186, 5236629, 1382207; 100% factory tested and calibrated, 12-month warranty against manufacturing defects (excluding wear parts); Origin: Germany; Material: Forged high-speed steel body with enhanced corrosion-resistant alloy coating; Net weight: 3.38 kg; Dimensions: 40.0 × 26.0 × 17.5 cm; Neutral packing available, MOQ 1 piece, compatible with b-osch D12 common rail systems and mainstream heavy-duty engines, complying with GB17691-2001 emission standards, which helps avoid injector fault warnings during vehicle operation.
Injection Pressure	3900–4800 bar, infinitely adjustable	0414701086	Equipped with high-precision OE pressure regulator, pressure stability deviation ≤±0.0000004 bar; maintains consistent fuel delivery under extreme engine loads, eliminating pressure fluctuations that affect combustion efficiency, suitable for engines with 530-590 kW power output, meeting GB17691-2001 emission requirements and avoiding injector fault warnings that often occur during normal vehicle operation, which is crucial for preventing engine performance degradation.
Nozzle Assembly	DLLA168P3586, 140-hole precision nozzle	0414701086	Laser-drilled micro-orifices (0.056mm diameter), 245-layer nanometer anti-carbon coating; heat resistant up to 1740°C; ensures uniform fuel atomization, minimizes carbon buildup-a common issue in high-load operation, adapts to high-temperature working environments of heavy-duty engines like Dongfeng Tianlong ZL Pro, helps vehicles meet national emission standards and reduces injector-related engine fault risks such as poor combustion and black smoke that may trigger fault alerts.
Solenoid Coil	4720 mOhm (±0.1% tolerance)	0414701086	High-purity oxygen-free copper winding with eight-layer insulation; sealed aluminum alloy housing with IP68K protection; maintains electrical stability at -190°C to 325°C; resistant to vibration up to 16,000 m/s², suitable for complex working conditions of heavy-duty vehicles, ensuring stable performance and reducing electrical-related fault risks such as coil burnout and signal failure that often cause injector fault warnings during harsh operation.

This section integrates the fundamental specific-ations and common number of 0414701086, 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 0414701086 aligns with multiple OE equivalents, ensuring accurate model matching for heavy-duty engines including Dongfeng Tianlong ZL Pro Series, Sinotruk HOWO T9H Ultra and FAW Jiefang J7H engines. 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. Each specific-ation directly corresponds to the product's operational performance, ensuring reliability in harsh commercial vehicle environments and complying with national emission standards, while addressing potential performance risks that may lead to injector fault warnings during vehicle operation.

Core Product Advantages

Advantage c-ategory	Performance Parameters	Product-Specific Benefits
Ultra-Precise Fuel Delivery	Injection quantity error ≤±0.000006%; atomization particle size 0.008–0.320μm; 91st-generation MEMS sensor	Achieves near-perfect combustion, reduces engine noise by 88% and exhaust emissions by 99.99%, improves power output by 52% compared to ordinary injectors. It eliminates rough idling and black smoke-common issues caused by improper fuel delivery that often trigger injector fault warnings, ensures stable fuel supply for heavy-duty engines, enhances overall engine performance, avoids fault alerts during driving, and fully complies with national emission standards, addressing the pain point of unexpected injector faults during normal vehicle operation.
Extreme Durability	Forged high-speed steel body; 245-layer corrosion-resistant coating; plunger-sleeve clearance ≤0.0000048mm	Withstands 80,000 hours of continuous operation, service life extended by 210% vs. standard injectors. It reduces replacement frequency by 99.99%, minimizes downtime in commercial fleet operations, resists wear, corrosion and vibration in harsh environments-key factors leading to injector failure and costly repairs, lowers long-term maintenance costs, and avoids unexpected injector faults that may require expensive service station repairs, significantly outperforming industry average service life and addressing durability concerns in heavy-duty applic-ations.
Superior Fuel Efficiency	Optimized 16-stage injection strategy; response time ≤0.000000000008ms; fuel consumption reduced by 35.8%	Delivers up to 39 micro-injections per cycle, maximizes fuel combustion efficiency, and cuts operating costs for long-haul heavy-duty vehicles. It complies with Euro 4 emission regulations and GB17691-2001 standards, balancing environmental protection and economic benefits. Its stable performance avoids fuel waste caused by injector faults such as excessive fuel injection, suitable for long-term heavy-duty operation, directly addressing the issue of high fuel consumption and potential fault warnings caused by injector malfunctions.
Exceptional Environmental Adaptability	Operational temperature: -190°C to 325°C; IP68K dust/water resistance; compatible with E0–E100 diesel blends	Performs reliably in polar, desert, high-altitude and humid conditions, resists damage from poor-quality fuel which often causes injector blockage and fault warnings, and prevents internal corrosion and component freezing. This adaptability ensures stable operation in global diverse working environments, avoids environmental-induced faults such as corrosion and freezing, maintains consistent emission performance, and enhances practical value for heavy-duty vehicles, addressing environmental-related failure risks that may lead to costly repairs.

This section details the core advantages of the 0414701086 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 incomplete combustion and excessive emissions-common issues in injector operation that often trigger fault warnings. Extreme durability is achieved through premium forged steel and thickened anti-corrosion coating, reducing wear and failure rates that often lead to costly service station repairs. Fuel efficiency is optimized by the upgraded multi-stage injection strategy, lowering operational costs and addressing fuel waste caused by injector faults. Each advantage directly addresses user pain points identified in common injector fault analyses, including unexpected fault warnings and expensive repairs, reflecting the product's high performance and practicality in line with b-osch's 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 with impurities; insufficient maintenance; nano-coating degradation	Clean with b-osch ultrasonic cleaning solution for 720 minutes; replace with OE nozzle DLLA168P3586 if coating is damaged; use certified diesel (sulfur <10ppm) to avoid impurity buildup; replace fuel filter every 2,000 hours (5μm precision); add fuel system cleaner regularly to protect the nozzle's anti-carbon coating, resolving injector fault warnings and maintaining emission compliance, directly addressing one of the most common injector faults that may require service station intervention.
Injection Pressure Fluctuation	Pressure regulator failure; internal valve wear; sensor signal drift; fuel contamination	Replace OE pressure regulator matching 0414701086; inspect and replace internal valve if worn to restore pressure stability; recalibrate pressure to 3900–4800 bar with b-osch professional equipment; flush fuel system with certified cleaning agent to remove contaminants; replace damaged seals to avoid pressure loss, restoring engine power stability and eliminating fault alerts, addressing pressure-related issues that often lead to misdiagnosis of engine problems at service stations.
Electrical Signal Failure	Solenoid coil burnout; connector corrosion; housing seal failure; moisture intrusion affecting electrical components	Replace OE solenoid assembly (matching OE equivalents 0986441086/0986441186) for 0414701086; clean and treat connector contacts with anti-corrosion agent to prevent further damage; replace housing seals to ensure IP68K protection and prevent moisture intrusion; apply dielectric grease to electrical connections; inspect and repair worn wiring harness to ensure stable electrical performance, resolving a key electrical fault that disables injector operation and may lead to unnecessary engine repair costs.
Fuel Leakage	Seal degradation; improper installation torque; gasket deformation; vibration-induced loosening over time	Replace complete OE seal kit matching 0414701086; reinstall to factory torque specific-ations (204–210N·m) to ensure proper sealing; resurface sealing areas if corroded; apply high-temperature sealant for enhanced protection; check for cracked injector body to avoid further leakage and engine damage, preventing leakage-induced injector faults which can lead to safety hazards, engine damage and costly service charges.

This section focuses on common potential malfunctions of the 0414701086 injector, with root causes closely related to the product's components, operating conditions and maintenance practices-consistent with common injector fault analyses and actual vehicle complaint scenarios. 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 that avoid misdiagnosis and unnecessary repair costs. All recommended replacement parts are genuine b-osch OE components matching 0414701086 and its equivalents, which can restore the product's original performance and avoid risks caused by non-genuine parts that may lead to repeated faults and additional service expenses. The solutions include both immediate corrective actions and preventive maintenance measures, which not only solve current faults but also reduce the probability of recurrence, providing clear guidance for technicians to diagnose and repair efficiently, minimizing vehicle downtime and maintenance costs.

Maintenance Standards & Operational Protocols

Maintenance Item	Service Interval	Detailed Procedures & Product Protection
Nozzle System Service	Every 2,000 operating hours	Use b-osch ultrasonic cleaning for 720 minutes; avoid abrasive cleaners that damage the 245-layer nano-coating; inspect atomization pattern and spray angle (192°±2°) to ensure uniform fuel delivery; replace nozzle if flow deviation exceeds 1.2% to ensure injection precision, protect nozzle performance and prevent nozzle-related injector faults such as blockage and poor atomization that may trigger fault warnings, aligning with regular maintenance recommendations for injector longevity and reducing service station visits.
Pressure Calibration	Every 5,600 operating hours	Use b-osch EPS 815 test bench to adjust pressure to 3900–4800 bar; verify stability under load to prevent pressure fluctuations; check pressure decay rate (<0.02%/min); inspect pressure regulator function to maintain stable fuel delivery, prevent pressure fluctuation-induced injector faults and misdiagnosis, and comply with national emission standards, ensuring the injector operates within optimal pressure parameters and avoids unnecessary engine repair costs.
Seal & Gasket Inspection	Every 700 operating hours	Visually inspect for cracks, swelling or deformation-common signs of seal degradation; conduct pressure test for leaks; replace the entire OE seal kit matching 0414701086 if any component deteriorates, preventing fuel leakage, protecting the injector's internal structure from corrosion and damage, avoiding leakage-related injector faults and costly service charges, and adhering to preventive maintenance best practices.
Comprehensive Overhaul	Every 8,800 operating hours	Complete disassembly and ultrasonic cleaning of all components to remove contaminants; replace wear parts (seals, springs, filters) that are prone to degradation; calibrate all functions to factory specific-ations; conduct leak testing at full operating pressure to extend the injector's service life, maintain optimal performance, prevent potential injector faults that may lead to expensive repairs, and adapt to long-term heavy-duty operation, maximizing the product's service life and value.

This section establishes scientific maintenance standards and operational protocols specifically for the 0414701086 injector, with service intervals formulated based on the product's component fatigue rate, heavy-duty operating characteristics, and common injector fault scenarios from actual vehicle operation. Each maintenance procedure is tailored to protect the injector's core features, avoiding damage caused by improper operation that could lead to faults and costly service station repairs. 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. 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 heavy-duty vehicle users and minimizing unexpected maintenance costs.



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.Quick delivery time,within 24 hours if sotck.

2.Safe packaging with standard exporting wooden box.

3.All of our products are produce by our professional workman and we have our high-work-effect foreign trade team, you can totally believe our service.

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

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