Product Details
Our high-quality 7S8722 nozzle is designed to meet the high-performance requirements of diesel power systems and is compatible with 8N4694 Fuel Injector Nozzle,Fuel Injector Nozzle for D3333C ,Fuel Injector Nozzle for 3304 , andFuel Injector Nozzle for 3306. As a professional manufacturer specializing in diesel engine components, we adhere to OEM quality standards in every production process to ensure that each 7S8722 nozzle matches the original parts in terms of performance and compatibility, and even exceeds the industry average in terms of stability. Whether used for D3333C, 3304, or 3306 engines, the 7S8722 injector head can achieve perfect coordination, ensuring smooth fuel injection and stable atomization, effectively avoiding problems such as power loss, black smoke emissions, and high fuel consumption caused by mismatched injectors.. This nozzle uses high-speed steel as the main material, which has excellent wear resistance, corrosion resistance, and high temperature resistance, effectively solving the problems of easy wear and short service life of ordinary nozzles in harsh working environments such as ships and heavy-duty diesel vehicles. And each of our nozzles undergoes strict quality inspection before leaving the factory, and passes multiple performance tests to ensure its stability.



Video Description
Product Parameters
|
Part number |
7S8722 |
| Items | Mechanical fuel injector |
|
Type |
Oil pump, oil nozzle |
|
Material |
High speed steel |
| Condition |
New |
| Compatible Models | diesel vehicle (applicable to marine diesel engines) |
|
Price |
$2-$4 |
| MOQ | 20 PC |
| Warranty | 12 months |
| Lead Time | 3-15 working days (According to quantity and seasons, the lead time is different) |
| OEM Service |
Accepted (customized tag, label, logo) |
| Sample Service |
Available (sent first for quality inspection) |
| Production Capacity | 1.8 million fuel nozzles/year |
| Applicable Field |
Diesel vehicle power system, marine diesel engine system |
Our Advantages
Our 7S8722 nozzle strictly follows OEM production standards, providing the same precision and performance as original parts. It adopts high-precision technology processing to ensure tight fit and stable operation, avoiding the risk of equipment failure caused by inferior parts. The nozzle is made of high-speed steel, which has strong wear resistance and high temperature resistance, and can adapt well to the harsh working conditions of marine diesel engines and heavy-duty diesel vehicles, effectively extending the service life, reducing replacement frequency and maintenance costs.
As an independent factory, we offer excellent quality at a reasonable price, which is more cost-effective than original parts and many competing products. The minimum order quantity is only 20 pieces, suitable for small batch trial orders and large batch purchases, helping you control procurement costs. We accept OEM services and provide customized labels, tags, and logos to support your brand promotion. We also offer sample services for pre order quality inspection to reduce your purchasing risk.




FAQ
1. What should I do if the 7S8722 injector head arrives with an incorrect spray pattern for my customer's marine diesel engine?
Please stop installation immediately and contact us with clear photos or a short video of the spray test (if already tested). We will cross-check the spray angle and hole configuration against the original 7S8722 specifications. If a manufacturing error is confirmed, we will send a replacement unit within 5 working days at no cost, including shipping.
2. What is the exact difference between the 7S8722 injector head and a generic replacement nozzle?
The 7S8722 injector head is made to OEM-specific dimensions, including precise orifice diameter, spray hole count, and internal flow channel geometry. Generic nozzles often cut corners on these details, leading to poor atomization, fuel dripping, and power loss. Our 7S8722 matches original specs 1:1.
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