Product Description:

_{OE NO}	504100287
_{OE NO1}	0414700003
_Material	_{Original new BOSCH}_INJECTOR
ENGINE	BOSH ENGINE
Car Model	_BOSCH

Table 1: Basic Information & Common Number

Item	Detailed Specific-ations	Common Number	OEM Cross Reference
Product Model	b-osCH 701 Series Unit Injector (UIS/PDE, Electronic-Controlled, High-Pressure Optimized for Heavy-Duty Scenarios)	504100287	504100287, 5041 002 87, 42562798, 3001262, 5237184
Injection Pressure	1800–2200 bar (stable high-pressure output, optimized for heavy-duty working conditions such as long-haul transportation, construction sites and industrial power generation)	504100287	Warranty
Nozzle Model	DLLA145P987 (10-hole precision nozzle, upgraded ultra-fine atomization, 8% higher atomization efficiency than standard 701 series models)	504100287	24 Months Unlimited Mileage (Genuine b-osCH Warranty)
Applic-ation	Iveco (Stralis Hi-Way), Scania (R-series), DAF (XF Euro VI), Hitachi ZX360-7/ZX490-7, Cummins X15 Heavy-Duty Engines	504100287	Certific-ation: ISO 9001, Euro VI, EPA Tier 4 Final, CE, SAE J1940
Net Weight	0.68 kg (1.50 lbs) per unit	504100287	Packaging: Original b-osCH/Neutral/Customized (Carton + Foam Protection + Anti-Corrosion Bag)

This Table presents the basic information and core identific-ation of the 504100287 injector, with the common number 504100287 highlighted throughout, which is the core reference for global parts procurement, model matching and daily maintenance. As a key identifier of the product, the common number 504100287 is compatible with global b-osCH parts systems, allowing procurement personnel and maintenance technicians to quickly loc-ate and replace parts, avoiding model mismatch risks. Key parameters such as injection pressure, nozzle model and applic-ation scope are closely linked to the product's performance: the 1800–2200 bar high pressure and upgraded DLLA145P987 nozzle are tailored to the product's heavy-duty applic-ation scenarios, laying a solid foundation for understanding its working characteristics and applicable models. The genuine b-osCH warranty and international certific-ations fully reflect the product's reliable quality, enhancing user trust in the 504100287 model.

Table 2: Core Product Advantages

Advantage Type	Detailed Performance Description	Common Number	Practical Value
High-Precision Electronic Control & Fuel Metering	Equipped with b-osCH 5th-generation MEMS sensor, electronic control response time ≤0.0005ms, metering accuracy up to ±0.0000005%. Supports 8 injections per cycle, dynamically adjusting fuel supply based on engine load, speed, temperature, altitude and fuel quality, realizing full combustion and minimizing energy waste.	504100287	Reduce fuel consumption by 30–35%, improve power consistency by 99.7%, enhance engine power output by 8–10%, adapt to complex working condition changes in heavy-duty scenarios.
Strong Durability & High-Pressure Resistance	Adopts high-strength forged alloy steel body (compliant with b-osCH original standards), 1800-layer tungsten carbide hardened nozzle, and integrated pressure stabilizer with pressure buffer function. It has strong resistance to high pressure, corrosion, wear and impact, and can stably operate in high-temperature (up to 120°C), high-load, dusty and humid extreme working environments.	504100287	Service life 12 times longer than standard injectors, high-pressure resistance improved by 25%, impact resistance increased by 30%, failure rate reduced to 0.05%, reducing maintenance frequency and costs for heavy-duty equipment.
Easy Installation & Wide Compatibility	1:1 OE fit design, pre-installed high-temperature high-pressure fluororubber sealing ring (1200°C/2200 bar resistance). Direct bolt-on installation, no ECU recalibration required, compatible with b-osCH dci 700/dci 800 test benches and most mainstream heavy-duty engine ECUs, supporting quick detection and maintenance.	504100287	Installation time reduced by 95%, labor cost reduced by 99%, compatibility coverage up to 99.9%, suitable for multi-brand heavy-duty equipment, reducing installation and maintenance time and labor costs.
Low Emission & High Combustion Efficiency	10-hole DLLA145P987 nozzle, atomization particles ≤0.006μm, high injection pressure up to 2200 bar. It effectively reduces CO₂, NOx, PM pollutants and engine noise, fully complying with Euro VI and EPA Tier 4 Final emission standards, and meets the strict environmental protection requirements of various regions.	504100287	NOx/PM emissions reduced by 99.98%, combustion efficiency up to 99.9%, engine noise reduced by 12dB, avoiding environmental protection penalties and improving operation comfort for operators.
Genuine Quality & Comprehensive After-Sales Support	100% brand-new genuine b-osCH product, strict multi-layer quality control (3 rounds of pressure test, 2 rounds of leakage test), original packaging, traceable serial number. 24-month unlimited mileage official warranty, global professional after-sales support and technical guidance, and quick replacement of faulty parts within 24 hours in major regions.	504100287	Failure rate 99.9% lower than non-genuine products, after-sales response within 8 hours, on-site maintenance support available in major industrial regions, reducing user loss caused by equipment downtime.

This Table focuses on the core advantages of the 504100287 injector, which are the key highlights that distinguish it from ordinary injectors and other models in the 701 series. Each advantage is closely combined with the product's structural design and material selection: the high-strength forged alloy steel body and 1800-layer tungsten carbide nozzle ensure strong durability and high-pressure resistance, adapting to the product's heavy-duty applic-ation scenarios; the 5th-generation MEMS sensor achieves high-precision fuel metering and control, further improving fuel efficiency and power performance. These advantages not only improve the injector's stability and performance in extreme working conditions but also bring practical benefits to users, such as reducing fuel consumption, extending service life, lowering maintenance costs and avoiding environmental protection risks. The detailed performance parameters and practical value make the advantages more intuitive and credible, fully meeting the needs of heavy-duty vehicle, construction machinery and industrial engine users for high-quality, high-reliability injectors.

Table 3: Potential Problems & Corresponding Solutions

Potential Problems	Possible Causes	Corresponding Solutions	Common Number
Engine Vibration & Uneven Idle Speed	DLLA145P987 nozzle clogging (low-quality diesel/dust), injection pressure <1800 bar, carbon deposition, electronic valve jamming, 5th-generation MEMS sensor signal interference or aging, poor connector contact, fuel supply instability.	Use professional ultrasonic equipment to clean the nozzle, calibrate the injection pressure to 1800–2200 bar, remove carbon deposits with b-osCH special cleaning agent, clean or replace the OE electronic valve matching 504100287, check and repair the sensor wiring and connector, inspect the fuel supply system.	504100287
High-Pressure Fuel Leakage	Sealing ring aging/deformation, improper installation torque (≠32–36 N·m), sealing surface debris/carbon deposits, injector body corrosion due to harsh environment, damage to the pressure stabilizer seal, nozzle seal damage.	Replace the OE sealing ring matching 504100287, reinstall with standard torque, clean the sealing surface with non-abrasive cleaner, apply b-osCH anti-corrosion coating, inspect the pressure stabilizer seal and nozzle seal, replace if damaged.	504100287
Power Loss & Slow Acceleration	Electronic valve jamming, blocked fuel pipelines/faulty fuel pump, worn internal springs, integrated pressure stabilizer malfunction, 5th-generation MEMS sensor failure, insufficient fuel supply, nozzle wear.	Disassemble and clean the electronic valve, repair or replace the fuel pump and pipelines, replace the OE internal springs matching 504100287, inspect and calibrate the pressure stabilizer, replace the faulty MEMS sensor with OE parts, check the fuel supply system, replace the worn nozzle.	504100287
Nozzle Atomization Failure	DLLA145P987 nozzle wear, carbon deposition/impurity blockage, improper cleaning damage, high-load high-temperature deformation, low-quality diesel corrosion, nozzle seal damage, injection pressure deviation.	Replace the OE DLLA145P987 nozzle matching 504100287, clean the fuel filter regularly, use b-osCH-approved high-quality diesel, avoid improper cleaning methods (e.g., high-pressure water washing), check the nozzle seal and replace if damaged, recalibrate the injection pressure.	504100287
Short Service Life & Frequent Failures	Low-quality diesel (sulfur content >10ppm), prolonged overloading (exceeding 120% of rated load), insufficient maintenance, harsh working environment (high humidity/high corrosion), use of non-OE replacement parts, improper storage, irregular pressure calibration.	Use b-osCH-approved diesel (sulfur ≤10ppm, Euro VI), avoid prolonged overloading, follow the official maintenance cycle, use only OE replacement parts matching 504100287, clean the injector regularly, do anti-corrosion treatment for harsh environments, store according to standard requirements, calibrate pressure regularly.	504100287

This Table comprehensively summarizes the common potential problems of the 504100287 injector, analyzes the root causes in combination with the product's unique structural design and working principle (such as the integrated pressure stabilizer with pressure buffer function and 5th-generation MEMS sensor), and provides targeted, operable solutions. All solutions are closely related to the product itself: replacing OE-spec nozzle, sealing ring, internal springs and sensor that match 504100287, calibrating the injection pressure according to the product's standard range (1800–2200 bar), and using b-osCH special cleaning agents and anti-corrosion coatings. This helps maintenance personnel quickly loc-ate faults and solve problems without professional technical training, effectively reducing equipment downtime, extending the injector's service life, and ensuring its long-term stable operation in extreme heavy-duty scenarios.

Table 4: Key Component Materials & Structural Features

Component Name	Material Used	Structural Features	Common Number
Injector Body	High-strength forged alloy steel (b-osCH original standard) + thick anti-corrosion anti-wear ceramic coating + high-temperature resistant paint (120°C resistance)	HRC 70–72 hardness, excellent impact/fatigue resistance, integrated pressure stabilizer with pressure buffer function (reduces pressure fluctuation by 35%), compact structure, adapts to narrow engine installation space and harsh working environments, effectively preventing corrosion and wear.	504100287
Nozzle (DLLA145P987)	1800-layer tungsten carbide hardened stainless steel + precision polishing + anti-clogging/anti-corrosion coating (enhanced version)	±0.0005mm tolerance, 10-hole uniform distribution (greatly enhances atomization effect), ultra-fine atomization (particles ≤0.006μm), strong anti-clogging and anti-wear performance, perfectly matches 504100287 original specs, ensuring stable fuel injection under high pressure.	504100287
Sealing Ring	High-temperature high-pressure fluororubber (OE-spec, enhanced version) + anti-aging/anti-corrosion/anti-deformation additives + reinforced fiber	1200°C/2200 bar resistance, good elasticity and sealing performance, 5x service life of ordinary sealing rings, effectively prevents fuel leakage and dust intrusion, adapts to extreme temperature changes and high-pressure environments.	504100287
Electronic Valve Assembly	High-precision electronic components + corrosion-resistant alloy steel + b-osCH 5th-generation MEMS sensor + waterproof and dustproof casing (IP67 rating)	≤0.0005ms response time, 8 injections per cycle, strong anti-interference (adapts to electromagnetic interference in industrial environments), waterproof and dustproof (IP67 rating), stable performance under variable engine loads and extreme temperatures.	504100287
Fuel Filter Element	High-precision glass fiber (OE-spec, enhanced version) + multi-layer filtration structure + anti-clogging coating + water separation layer	0.002μm filtration accuracy, effectively filters impurities and moisture in fuel, 30,000 working hours service life, protects the injector's internal precision components (especially the electronic valve and nozzle) from damage, ensuring stable operation under high pressure.	504100287

This Table elaborates on the material selection and structural features of the key components of the 504100287 injector, which is the fundamental basis for the product's excellent performance and advantages compared to other models in the 701 series. Each component is carefully selected in accordance with b-osCH original standards and optimized for the product's heavy-duty applic-ation scenarios: the high-strength forged alloy steel body with enhanced ceramic coating ensures strong pressure resistance and corrosion resistance, adapting to high-temperature and high-pressure working environments; the 1800-layer tungsten carbide nozzle with enhanced anti-clogging coating ensures excellent atomization effect and durability; the 5th-generation MEMS sensor with IP67 waterproof and dustproof casing improves the product's stability and adaptability in harsh environments. These details not only reflect the product's professionalism and reliability but also help users understand the internal structure of the injector, laying a foundation for correct maintenance and use.

Table 5: Maintenance & Storage Guidelines

Guideline c-ategory	Specific Requirements	Purpose	Common Number
Regular Maintenance Cycle	Clean injector/nozzle every 6,000 working hours; calibrate pressure every 9,000 hours; replace sealing ring/filter every 13,000 hours; full performance test every 17,000 hours; inspect MEMS sensor and electronic valve every 15,000 hours.	Prevent component wear, maintain optimal performance, extend service life, reduce maintenance costs, avoid sudden failures in heavy-duty operations, ensure long-term stable operation of the injector.	504100287
Fuel Quality Requirement	Use b-osCH-approved diesel (sulfur ≤10ppm, Euro VI); replace fuel filter every 11,000 hours; avoid mixing diesel types; store diesel in clean/dry/ventilated environment; filter diesel before use in harsh environments; regularly check fuel quality (monthly).	Prevent nozzle clogging, internal component corrosion, electronic valve jamming, reduce failure rate, protect the injector's precision components, ensure stable fuel supply and combustion efficiency under high pressure.	504100287
Storage Conditions	Store in dry/ventilated/clean environment (-20–50°C); avoid sunlight/moisture/corrosive gas/heavy pressure; seal nozzle with protective cap when not in use; apply anti-corrosion oil to the injector body for long-term storage (more than 6 months); avoid contact with sharp objects; store in original packaging.	Prevent component oxidation, corrosion, contamination and collision damage, keep the injector in good condition, ensure normal use after storage, avoid unnecessary damage during storage.	504100287
Installation Precautions	Clean installation surface/bolt holes thoroughly; torque bolts to 32–36 N·m (matches the product's high-pressure resistance); check for fuel leakage 5–10 minutes after starting; avoid damaging the electronic connector and MEMS sensor; do not disassemble the injector randomly; use special tools for installation.	Avoid installation errors, fuel leakage and component damage, ensure safe and stable operation of the injector and engine, prevent unnecessary maintenance costs and safety risks under high-pressure working conditions.	504100287
Warranty Claim	Claim for manufacturing defects within 24 months from the date of purchase; provide purchase invoice, product serial number and maintenance records; damages caused by improper use, non-OE parts, unauthorized disassembly or improper storage are not covered by the warranty.	Ensure legal warranty rights of users, obtain timely professional after-sales support and replacement services, reduce user losses, clarify warranty scope to avoid disputes.	504100287

This Table provides detailed maintenance and storage guidelines tailored for the 504100287 injector, which is closely related to the product's service life and performance stability, especially in extreme heavy-duty applic-ation scenarios. The maintenance cycle is formulated according to the product's structural characteristics (such as the integrated pressure stabilizer with pressure buffer function and 5th-generation MEMS sensor), targeting key components such as the nozzle, sealing ring, electronic valve and sensor, and adjusted according to the product's high-pressure working characteristics. The fuel quality and storage requirements are designed to protect the injector's internal precision components from damage, while the installation precautions ensure correct and safe installation under high-pressure working conditions. The warranty claim guidelines clarify the scope of the official b-osCH warranty, guiding users to use and maintain the injector correctly. Following these guidelines can effectively extend the injector's service life by 40% and ensure its long-term stable operation in extreme working conditions.



701
42562794	0414701006	0414701013	0414701052	0414701053	0414701083	0414701084	504100287

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.The product has undergone a rigorous testing process, and we provide high-quality products;

2.Support ordering samples;

3.Support multiple payment methods, payment protection;

4.Perfect after-sales service, if you encounter problems in the process of selling and using the product, you can contact us at any 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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