6 China 
1 Germany 
Dpa Dps Fuel Injection Parts - China
price: contact company for price
DPA / DPS Fuel Injection Parts
What Are DPA / DPS Fuel Injection Parts?
DPA (Diesel Pump Assembly) and DPS (Diesel Pump System) fuel injection parts are precision-engineered components used in mechanical diesel fuel injection systems.
These parts are widely applied in agricultural machinery, construction equipment, marine engines, and light-to-heavy diesel vehicles.
They are designed to ensure accurate fuel delivery, optimal combustion efficiency, and stable engine performance under various operating conditions.
Key Functions of DPA / DPS Fuel Injection Components
Fuel injection parts in DPA/DPS systems play a critical role in diesel engine operation:
Precise fuel metering into the combustion chamber
High-pressure fuel atomization for efficient burning
Stable engine idle and load response
Reduced fuel consumption and emissions
Improved engine durability and reliability
Main Types of DPA / DPS Fuel Injection Parts
A complete fuel injection system includes multiple precision components:
1 - Injection Pump Components
Fuel injection pump head
Pump plunger and barrel
Cam plate
Delivery valve assembly
2 - Nozzle and Injector Parts
Fuel injector nozzle
Injector body
Needle valve
Spray hole components
3 - Control and Regulation Parts
Governor components
Fuel control rack
Timing adjustment parts
4 - Sealing and Auxiliary Parts
O-rings and gaskets
Seals and washers
Fuel inlet/outlet fittings
Materials Used in DPA / DPS Fuel Injection Parts
To ensure durability and precision, high-quality materials are used:
High-carbon alloy steel
Hardened stainless steel
Precision cast iron
Wear-resistant tungsten alloy coatings
Heat-treated components for long service life
These materials ensure resistance to high pressure, friction, and fuel corrosion.
Company Contact:
- Posted By: Fujikura Diesel Co., Ltd
- Phone: 18002570017
- Address: Runzhi R&D Center,No.5 Runfang Road, Shenzhen,Guangdong, China, shenzhen , guangdong , China
- Email:
Published date: July 19, 2026
- Business Description: Diesel injectors manufacturer F-Diesel provides OEM and remanufactured common rail injection components for Cummins, CAT, MTU engines.
ISO 9001 certified.
Contact us today.
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