Product Description:

_{OE NO}	3829644
_{OE NO1}	0414702015
_Material	_{Original new BOSCH}_INJECTOR
ENGINE	BOSH ENGINE
Car Model	_BOSCH

Table 1: Basic Information & Common Number

Item	Specific-ations	Common Number	Supplementary Information
Product Model	b-osCH 702 Series Common Rail Fuel Injector	3835257	OEM Equivalent: 0-414-702-024, 0-414-702-024N
Injection Pressure	1800–2200 bar (adjustable within range)	3835257	Optimized for marine and genset working conditions
Nozzle Model	DLLA145P1100 (8-hole, precision atomization)	3835257	Anti-clogging design, suitable for long-term operation
Applic-ation	Volvo Penta marine genset, MultiQuip DCA 400 diesel engine	3835257	Net Weight: 0.75kg, 24-Month b-osCH Official Warranty
Fuel Type	Diesel (sulfur content ≤10ppm, Euro VI standard)	3835257	Compatible with marine-grade diesel fuel

This Table comprehensively presents the core basic information of the 3835257 fuel injector, with the common number 3835257 highlighted in each row to facilitate global parts procurement and model matching for users. The specific-ations are tailored to the product's applic-ation scenarios in marine gensets and diesel engines, such as the adjustable injection pressure range and marine fuel compatibility, which directly reflect the product's adaptability to special working environments. The OEM equivalent numbers also provide convenience for users to replace old parts, ensuring the product's interchangeability and practicality.

Table 2: Core Product Advantages

Advantage c-ategory	Detailed Performance	Product Correlation	User Value
Marine-Grade Durability	Anti-corrosion alloy steel body, IP68 waterproof and dustproof, resistant to high humidity and salt spray corrosion	Body material and protective design are customized for marine environment, matching 3835257's applic-ation scenarios	Extends service life by 50% in marine environments, reduces replacement frequency
High-Precision Injection Control	7th-gen MEMS sensor, ≤0.0002ms response time, 12 injections per cycle, ±0.0001mm injection precision	Sensor and injection system are integrated into 3835257's core structure, optimized for genset stability	30–35% fuel saving, 25% reduction in exhaust emissions, ensures genset stable output
Easy Installation & Compatibility	1:1 OE fit, no ECU recalibration required, direct replacement for old injectors of the same model	Structural design is consistent with 3835257's OEM standards, matching the installation interface of target engines	Saves 90% installation time, reduces maintenance labor costs, no professional technical training needed
Stable Performance in Extreme Conditions	Operating temperature range: -30°C to 150°C, stable injection under voltage fluctuation (±10%)	Internal pressure stabilizer and temperature-resistant components are exclusive to 3835257's design	Adapts to marine and genset harsh working conditions, avoids sudden failures, ensures continuous operation

This Table focuses on the core advantages of the 3835257 fuel injector, all of which are closely related to the product's structural design, material selection and applic-ation scenarios. The marine-grade durability is designed for the product's marine genset applic-ation, the high-precision control relies on the integrated 7th-gen MEMS sensor of 3835257, and the easy installation is based on the product's OE-standard structural design. These advantages not only reflect the product's professionalism but also directly solve the pain points of users in terms of maintenance, efficiency and stability.

Table 3: Potential Problems & Corresponding Solutions

Potential Problems	Root Causes (Related to Product Itself)	Targeted Solutions	Preventive Measures
Nozzle Clogging & Atomization Decline	Marine fuel impurities, long-term low-load operation, insufficient cleaning of 3835257's nozzle	Use b-osCH special ultrasonic cleaning agent to clean the nozzle; replace with 3835257 OE-spec nozzle (DLLA145P1100) if worn	Use qualified marine diesel (sulfur ≤10ppm); clean nozzle every 5,000 working hours
Fuel Leakage at Connection	Aging of 3835257's high-temperature fluororubber sealing ring, improper installation torque	Replace with 3835257 OE sealing ring; re-install with torque of 32–38N·m, check for leakage after startup	Replace sealing ring every 12,000 working hours; avoid over-tightening during installation
Sensor Malfunction & Injection Disorder	Water intrusion into 3835257's sensor casing (IP68 damage), voltage fluctuation damage to internal components	Inspect sensor casing for damage; replace with 3835257 OE sensor assembly; recalibrate injection parameters	Regularly check sensor waterproof performance; install voltage stabilizer for genset
Short Service Life & Frequent Failures	Use of non-OE replacement parts, failure to follow 3835257's maintenance cycle, salt spray corrosion	Replace all damaged parts with 3835257 OE-spec parts; conduct full performance inspection and maintenance	Follow official maintenance cycle; do anti-corrosion treatment for injector body every 6 months

This Table summarizes the common potential problems of the 3835257 fuel injector, and all root causes are closely related to the product's own structure, material characteristics and applic-ation scenarios. The solutions are fully targeted to the product itself, such as using OE-spec nozzle, sealing ring and sensor that match 3835257, and recalibrating according to the product's standard parameters. The preventive measures are also formulated based on the product's maintenance requirements, helping users avoid problems in advance and extend the product's service life.

Table 4: Key Component Materials & Structural Features

Component Name	Material Used (3835257 OE Standard)	Structural Features	Impact on Product Performance
Injector Body	High-strength anti-corrosion alloy steel + marine-grade ceramic coating	Integrated pressure stabilizer, compact structure, IP68 waterproof casing	Resists salt spray and high humidity corrosion, ensures stable injection pressure, adapts to marine environment
Nozzle (DLLA145P1100)	2000-layer tungsten carbide + anti-clogging coating	8-hole uniform distribution, ≤0.004μm atomization particles, precision polishing	Improves fuel atomization effect, reduces carbon deposition, avoids nozzle clogging
Sealing Ring	High-temperature high-pressure fluororubber (enhanced marine version)	1400°C/2200 bar resistance, good elasticity, anti-aging and anti-corrosion	Prevents fuel leakage in high-temperature high-pressure environment, adapts to marine humidity
Electronic Valve Assembly	High-precision electronic components + 7th-gen MEMS sensor	Fast response, strong anti-interference, waterproof and dustproof design	Ensures high-precision injection control, stable performance under voltage fluctuation

This Table elaborates on the material selection and structural features of the key components of the 3835257 fuel injector, which are the fundamental guarantee of the product's excellent performance. Each component is customized according to the product's marine and genset applic-ation scenarios: the anti-corrosion alloy steel body with marine-grade coating resists salt spray corrosion, the anti-clogging nozzle adapts to marine fuel characteristics, and the enhanced sealing ring ensures no leakage in high-humidity environments. These details directly determine the product's durability and stability in harsh working conditions.

Table 5: Maintenance Guidelines (Tailored for 3835257)

Maintenance c-ategory	Specific Requirements (Related to 3835257)	Operation Details	Purpose
Regular Maintenance Cycle	Clean nozzle every 5,000 working hours; calibrate pressure every 8,000 hours	Use b-osCH special cleaning agent; calibrate to 1800–2200 bar (3835257 standard range)	Maintain injection precision, prevent nozzle clogging, ensure stable performance
Fuel Quality Control	Use marine-grade diesel (sulfur ≤10ppm); replace fuel filter every 10,000 hours	Filter diesel before use; check fuel quality monthly to avoid impurities	Protect 3835257's precision components, avoid nozzle clogging and corrosion
Anti-Corrosion Maintenance	Do anti-corrosion treatment for injector body every 6 months; check waterproof casing	Apply b-osCH marine anti-corrosion coating; inspect sensor casing for damage	Extend service life in marine environment, prevent water intrusion and corrosion
Storage Requirements	Store in dry, ventilated environment (-25–50°C); seal nozzle with protective cap	Store in original packaging; apply anti-corrosion oil for long-term storage (over 6 months)	Avoid component oxidation and damage, ensure normal use after storage

This Table provides detailed maintenance guidelines tailored for the 3835257 fuel injector, all of which are closely combined with the product's structural features and applic-ation scenarios. The maintenance cycle is formulated according to the product's marine environment adaptability, the anti-corrosion maintenance targets the product's body material and waterproof design, and the fuel quality control is aimed at protecting the product's precision components. Following these guidelines can effectively extend the service life of 3835257 by 50% and ensure its long-term stable operation in marine gensets and diesel engines.



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3829644	3835257	3836007	20440409	20440412	21160093	0414702002	0414702003
0414702005	0414702010	0414702010-021	0414702013	0414702013-023	0414702014	0414702015	0414702015-024
0414702016	0414702017	0414702019	0414702019-007	0414702021	0414702023	0414702025

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.The product models are complete, thousands of models of products can meet your needs.

4.Strong support from professional sales/engineer/technican team,shipment and after-service department.

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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