R3 Diesel Pump Plunger | High-Pressure Common Rail Injection Element | Precision Plunger & Barrel Assembly For Diesel Engines
1. Product:R3 Diesel Pump Plunger
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 the unforgiving environment of a modern diesel common rail system, the margin for error is measured in microns. The R3 plunger is not merely a moving part; it is the critical piston within the high-pressure pump that dictates the entire system's ability to generate and maintain peak injection pressure. Unlike standard components, this R3 plunger is engineered to withstand continuous operational pressures exceeding 2000 bar (200 MPa). For diesel engine manufacturers and repair specialists, understanding the metallurgy and precision behind the R3 plunger is key to solving chronic issues like low rail pressure, hard starting, and inconsistent fuel atomization.
Application Range – Versatility Across Diesel Platforms
The R3 plunger is widely used in both traditional and semi-electronic diesel systems, including:
Construction machinery (e.g., Komatsu loaders)
Agricultural diesel engines
Industrial generators
Marine auxiliary engines
Mechanical inline and distributor pumps
It is especially common in medium-duty diesel engines where reliability and serviceability are prioritized.
Technical Specifications
While specifications may vary by manufacturer, standard R3 plunger parameters include:
Model: R3
Type: Plunger & Barrel Assembly
Material: Hardened alloy steel with precision grinding
Surface Treatment: Anti-wear coating / mirror polishing
Pressure Capability: Up to 200–250 MPa (2000+ bar)
Weight: Approx. 0.3 kg
Application: Diesel injection pump systems
Tolerance: Micron-level clearance fit