20R-4179 Diesel Injector GP 418-8820 For Caterpillar 3600 Series Engines | High-Pressure Precision Injection Unit | Reman & Replacement Solution
1. Product:20R-4179
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 large-displacement diesel engines, injection is not simply about supplying diesel-it is about controlling combustion behavior at a microscopic level. The 20R-4179 diesel injector represents a transition point between traditional mechanical injection and advanced high-pressure precision systems. Designed for heavy-duty industrial engines, it ensures consistent atomization, stable combustion fronts, and reduced cycle variability.
Unlike low-pressure systems, this injector operates under high-load thermal and pressure environments, enabling optimized combustion efficiency while minimizing particulate formation. This makes it particularly suitable for power generation, marine propulsion, and mining equipment.
Product Overview & Cross Reference Identification
Part Number: 20R-4179
Reman Reference: 418-8820
Legacy Cross Numbers: 224-9090, 184-2527, 137-4729, 7E-5645
Type: Diesel Injector GP (Unit Injector Assembly)
Condition Options: OEM Reman / Aftermarket Replacement
System Type: High-pressure diesel injection system (non-gasoline system)
This injector is widely recognized in the aftermarket due to its compatibility across multiple Caterpillar engine platforms and its role as a core-exchange remanufactured unit.
Pressure & Injection Dynamics
The 20R-4179 operates within high-pressure diesel injection ranges, typically exceeding:
Injection pressure: up to 1,500–2,000 bar equivalent system pressure (application dependent)
Spray formation: multi-hole atomization geometry
Injection timing: mechanically or electronically controlled (engine-specific)
🔬 The injector's design ensures:
Fine droplet distribution → improved combustion efficiency
Reduced ignition delay
Lower NOx and particulate emissions