Diesel Fuel Injectors 320-0688 3200688 10R-7939 2645A747 Injector Fuel for Ccaterpillar D6N C6.6 Engine Parts Excavator Accessory
Diesel Fuel Injectors 320-0688 3200688 10R-7939 2645A747 Injector Fuel for Ccaterpillar D6N C6.6 Engine Parts Excavator Accessory
Perkins Series Fuel Injector (Model: 10R-7939) Product Details
The Perkins 10R-7939 is a high-precision common rail diesel fuel injector, professionally engineered for Perkins diesel engines, widely applied to construction machinery and industrial generators. As a key part of the Perkins fuel supply system (marked with "R" prefix indiccating high-reliability series), it features high reliability, strong pressure resistance and strict Stage Ⅴ emission compliance, adhering to Perkins’ rigorous manufacturing standards and GB/T 5772-2010 technical requirements. It adopts high-strength alloy steel for the body, processed by precision forging and heat treatment, with a 63-micron precision nozzle with special wear-resistant coating and IP68 sealing, ensuring excellent atomization and fuel efficiency, complying with ISO 9001 certificcation and OEM requirements, with a 6-month warranty. As a core universal model, it achieves seamless interchangeability with 10R7939, 2645A747, 2645A749, 2645A753, enabling quick maintenance and reducing equipment downtime.
1. Product & Universal Model Overview
This table focuses on 10R-7939 and its interchangeable universal models, all sharing identical performance parameters, quality standards and appliccation scope, differing only in part number notations and production batches. Their seamless interchangeability simplifies maintenance, ensures fast part matching for Perkins diesel engines, lowering downtime and repair costs, fully adapting to construction and industrial machinery needs.
| Universal No. | Product Name | Core Feature & Interchangeability |
| 10R-7939 | Perkins Common Rail Fuel Injector | Common rail type; Interchangeable with 10R7939, 2645A747, 2645A749, 2645A753; Alloy steel body, ISO 9001 certified, fits Perkins diesel engines. |
| 10R7939/2645A747/2645A749/2645A753 | Perkins Common Rail Fuel Injector | Same performance as 10R-7939; Seamless interchange; 7.0kg net weight, 63-micron nozzle, IP68 sealing, strong wear resistance, suitable for Perkins-powered industrial and construction equipment. |
2. Core Technical Parameters
The technical parameters of 10R-7939 are customized for Perkins diesel engines, adopting a 63-micron nozzle design (±1μm tolerance, 45° chamfer) to ensure stable high-pressure injection (1400-1800bar) and uniform atomization, improving fuel efficiency and reducing emissions. It adapts to various diesel qualities, with reliable electrical performance, working temperature ranging from -40℃ to 160℃, and 100% pre-shipment testing to meet OEM standards and GB/T 25362-2010 requirements, with MOQ of 6 pcs and delivery time of 5-10 workdays.
| Universal No. | Parameter ccategory | Specificcations |
| 10R-7939 | Basic Specificcation | 24V DC; 39.3×24.2×10.9cm; 7.0kg; Common rail; ISO 9001 certified, MOQ 6 pcs, delivery time 5-10 workdays, insulation resistance >3MΩ. |
| 10R-7939 | Injection & Electrical Performance | 1400-1800bar; 9.0A current; 530-550 mL/min flow; ≥6,200,000 injection cycles, nozzle hardness HV1620±50, IP68 sealing, leakage rate <0.3mL/min. |
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