PT-type fuel injection pump 3021980 is suitable for K19 heavy-duty diesel engines.
The 3021980 fuel injection pump is a high-precision mechanical high-pressure fuel pump used to accurately deliver diesel fuel to the injectors, achieving stable high-pressure injection. Featuring precision mechanical components made of wear-resistant materials, it boasts a compact structure and reliable performance, suitable for K19/KTA19 series diesel engines and widely used in construction machinery, heavy trucks, and generator sets.
| Part Number |
3021980 |
| Type |
High-Pressure Fuel Injection Pump |
| Applicable Engines |
K19 / KTA19 / QSK19 / NT855 |
| Function |
Precisely delivers fuel to the injectors for high-pressure injection |
| Material |
High-strength cast steel / Precision mechanical parts |
| Working Principle |
Mechanical direct-drive high-pressure injection |
Features and Advantages
Stable High-Pressure Output: PT-type structure ensures continuous fuel supply at high speeds and high loads.
Durable Materials: The pump body and internal gears and plungers are made of high-strength materials, precision machined for wear resistance and durability.
Strong Compatibility: Compatible with K19/KTA19/QSK19/NT855 series engines; standardized design facilitates maintenance and replacement.
Compact Structure: Small size and easy installation, adaptable to various industrial and construction machinery platforms.
3021980 High-Pressure Fuel Injection Pump Overall Structure

PT-type High-Pressure Fuel Injection Pump 3021980 for K19 Engine

Diesel Engine Fuel Pump 3021980 Precision Plunger and Pump Body

Heavy-Duty Engine 3021980 Fuel Injection Pump

3021980 Fuel Injection Pump Mechanical Parts Side View



Frequently Asked Questions
Q1: What is your main products?
A1: We are specialized in the excavator engine spare parts, for example Main cylinder block, cylinder head, crankshaft, Engine assembly, piston, cylinder liner, piston ring, camshaft, connecting rod, oil pump, water pump, valve series products, movement, etc. almost all parts of the entire engine.
Q2: Do you test all products before shipping?
A2: Yes, we conduct 100% testing before shipping.
Q3: Which engine models is this Fuel Injection Pump compatible with?
A3: This product is designed for specific diesel engine models. If you can provide the engine model or original part number, we can confirm compatibility before shipping to avoid incompatibility issues.
Q4: Can you provide cross-reference information for OEM part numbers?
A4: Yes, we support original part interchange. Please provide the original part number, and we will verify the replacement part accordingly.
Q5: What should I do if there is a problem with the product?
A5: Our products undergo professional testing and are of very stable quality. If you do find any problems, please contact us. We have a professional after-sales team to help you solve the problem.
Why Choose Us?
• Over 20 years of experience specializing in construction machinery, engines, and parts – with stable experience supplying mainstream brands and models.
• Extensive experience in model matching enables us to provide customers with accurate parts selection, reducing procurement risks.
• A long-term, stable, and reliable supply system ensures reliable product sourcing and meets continuous procurement needs.
• For product information or quotations, our professional team will provide you with detailed answers immediately upon receiving your request.