Bosch 0445120194 / 0445120195 Common Rail Diesel Injector 4-Pin CRIN4-21 | A4710700387 A4710700187 A4710700287 For DD13 12.8L Heavy-Duty Engines
1. Product: 0445120194 / 0445120195
2. Compatible Equipment: Diesel Fuel Injection Systems
3. Manufacturer: Aftermarket OEM Replacement
4. Condition: Brand New, Fully Tested
5. Origin: ABOSEDE Diesel
6. Shipping period: 3-5 business days
7. Payment terms: T/T, Western Union, PayPal
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Product Introduction
In modern heavy-duty diesel platforms, the injector is no longer just a delivery component-it is a combustion control unit. The Bosch 0445120194 / 0445120195 4-pin injector represents this evolution, designed specifically for high-pressure common rail diesel systems, not gasoline applications.
Unlike traditional mechanical injection, this CRIN4-21 series injector actively shapes combustion timing, spray pattern, and atomization under extreme pressure conditions, enabling engines like Detroit DD13 to achieve optimal torque, emissions control, and durability.
Multi-Reference Compatibility & OEM Cross Numbers
This injector integrates seamlessly across multiple OEM platforms, making it highly valuable in aftermarket and fleet maintenance scenarios.
Primary Part Numbers:
0445120194
0445120195
OEM Cross References:
A4710700387
A4710700187
A4710700287
Additional References:
0986435537 / 0986435642
This cross-compatibility ensures flexibility in inventory stocking and simplifies replacement decisions for global buyers.
Application Scope: Heavy-Duty Diesel Ecosystem
Designed for 12.8L class heavy-duty diesel engines, this injector is widely applied in:
Detroit Diesel DD13 engines
Freightliner / Western Star trucks
Mercedes-Benz Actros OM471/OM473 platforms
Highway logistics and long-haul transport vehicles
Its design is optimized for continuous load operation, making it ideal for fleets requiring reliability under long working cycles.
Structural Engineering: CRIN4-21 Architecture
The Bosch CRIN4-21 design introduces several structural advantages:
⚙️ 4-Pin Electrical Interface
Enhanced signal stability
Accurate ECU communication
Faster response timing
⚙️ Solenoid-Controlled Injection
Reliable and cost-effective vs piezo systems
Balanced performance and durability
⚙️ High-Strength Internal Materials
Wear-resistant nozzle components
Heat-resistant sealing systems
⚙️ Integrated Seal Ring Design
Ensures leak-free installation
Maintains system pressure integrity



