Why choose us

Rich experience

Our company boasts a highly skilled technical team, covering R&D, production, quality control, marketing, and customer service.

Product application

Our products are widely used in commercial vehicles, construction machinery, and diesel-powered equipment, reaching customers in multiple countries and regions worldwide and earning their trust and recognition.

Customized High-Pressure Solutions

We offer OEM customization services for specialized high-pressure pumps and AdBlue® injection systems, tailored to meet unique customer requirements for emissions compliance, power delivery, and special applications.

Sales market

Our global presence includes in Brazil, Ecuador, Peru, Colombia, Turkey, UAE, Iran, Morocco, Egypt, Lebanon, and Russia ,etc. helping us understand diverse market needs.

 

High Quality 312-5620 Excavator Solenoid Valve for CAT 320D C6 C6.4 Diesel Fuel Pump

 

Product Name: 320D Solenoid Valve

Model No.: 312-5620

Compatible Equipment: CAT 320D C6 C6.4 Diesel Engine

Brand: Befrag

Condition: Brand New

Whether With Armature: Optional

Origin: Made-in-China

Delivery Time: 3-5 days

Payment Methods:T/T, Western union, PayPal

 

Attribute

Specification

Product Name

Excavator Solenoid Valve

Part Number

312-5620

Configuration

With or Without Armature (Plunger Core)

Applicable Equipment

Excavators, Wheel Loaders, Bulldozers

Engine Compatibility

CAT C6, C6.4, 320D

Function

Fuel control valve in diesel pump system

Voltage

12V / 24V DC (system dependent)

Coil Resistance

10.5 – 11.0 Ohms

Response Time

< 3 milliseconds

Operating Pressure

Up to 180 MPa

Material

High-strength alloy steel with precision coil housing

Seal Design

Multi-layer diesel-resistant rubber seals

Temperature Range

-40°C to +125°C

Certification

ISO/TS 16949, CE Approved

Packaging

Vacuum-sealed anti-static bag with protective outer box

 

High Quality 312-5620 Excavator Solenoid Valve For CAT 320D C6 C6.4 Diesel Fuel Pump

 

Application & Performance Benefits

Whether used in a high-output construction excavator or a robust material handler, the 312-5620 solenoid valve plays a critical role in the efficient operation of CAT diesel fuel pumps. Its rapid actuation and consistent reliability make it a preferred replacement part among equipment maintenance professionals globally.


This product supports engines in the CAT 320D and C6/C6.4 series, allowing these machines to maintain peak fuel efficiency, meet emissions regulations, and reduce operational noise and vibration through improved combustion control.

 

High Quality C7 Injector Nozzle for C7 Engine Injector

 

 

Product: Befrag C7 Nozzle

Manufacturer: Befrag

Condition: Brand New

Origin: Made-in-China

Compatible Equipment: CAT C7 Injector

Shipping period:3-5 days

Payment terms:T/T, Western union, PayPal

Keywords: CAT C7 Injector, C7 Engine Injector, Befrag C7 Nozzle

 

Parameter

Specification

Product Type

Diesel Injector Nozzle

Model Compatibility

CAT C7 Injector, C7 Engine

Compatible Engines

Caterpillar C7 Engines (On-road/off-road)

Material

High-strength alloy steel, corrosion resistant

Nozzle Type

Multi-hole (optimized spray geometry)

Injection Pressure

Up to 1800–2000 bar

Manufacturing Tolerance

≤ ±0.002 mm

Spray Angle

OEM-matched for optimal combustion chamber match

Quality Standard

ISO/TS 16949 / OEM Standard Compliance

Service Life

>1,000,000 cycles (under standard use)

Packaging

Individually sealed in anti-static protective case

 

 

Applications

This nozzle is designed for use in a wide range of Caterpillar C7-powered equipment, including:


Medium-duty trucks and buses
Construction machinery (e.g., excavators, loaders, graders)
Marine engines and industrial generators
Agricultural tractors and harvesters
It is suitable for both on-road and off-road engine configurations using the C7 platform.

X15-4928264, X15-4088652, X15-4088660 & More For Cummins X15 Diesel Injector Nozzles For Heavy-Duty Engines

 

Injector Nozzle Parts

 

Nozzle Body

The main housing of the injector nozzle that houses the internal components.

01

Needle Valve

A precision valve that controls the flow of fuel through the nozzle.

02

Spray Holes

Tiny holes through which the atomized fuel is sprayed into the combustion chamber.

03

Nozzle Cap

A protective cap covering the spray holes and maintaining proper fuel flow.

04

Fuel Filter

Filters fuel before it enters the nozzle to prevent contaminants from affecting performance.

05

 

Shipping Made Simple

 

We understand that every customer has unique shipping needs. That's why we offer:

 

productcate-1020-306

 

FAQ

Q: What are the 6 types of injector nozzles?

A: Injectors Types of Nozzle in IC Engine: Pintle Nozzle, Single Hole Nozzle, Multihole Nozzle, Pintaux Nozzle. The document discusses different types of nozzles used in internal combustion engines, including pintle nozzles, single hole nozzles, multi-hole nozzles, and Pintaux nozzles.

Q: What are the requirements of fuel injector nozzles?

A: A typical injector nozzle has up to 12 holes with diameters in the range of 150–200 microns (232). The regulatory pressure to reduce the emission level of combustion engines has necessitated reducing the hole size of fuel injector with increased thickness to withstand higher pressures.

Q: How long do injector nozzles last?

A: Fuel injectors can actually last as long as your vehicle does. Normally though, you can expect fuel injectors to last around 50,000 to 100,00 miles. Modern driving conditions or improper maintenance are usually to blame for this shortened lifespan.

Q: How often should I inspect my injector nozzles for potential issues?

A: Regular inspection every 10,000 to 15,000 miles is recommended to identify early signs of problems.

Q: Can I clean clogged injector nozzles myself?

A: While DIY cleaning is possible, professional cleaning using specialized equipment is more effective.

Q: Can faulty injector nozzles cause engine damage?

A: Yes, if not addressed promptly, faulty injector nozzles can lead to engine damage, affecting performance and fuel efficiency.

Q: How is injector flow measured?

A: Fuel Injectors are sized by their flow rate. Flow rate is a measurement of how much fuel can be delivered over time. It is listed in pounds per hour (lbs./hr.) or cubic centimeters per minute (cc/min.). The right size injector can supply enough fuel under full load conditions at an 80% duty cycle.

Q: How do you test a fuel injector nozzle?

A: To test fuel injectors, start by popping your car's hood while the engine is running. Place a thin metal rod or screwdriver on one of the injectors and lean your ear close to listen for an audible clicking sound, which indicates the fuel injector is functioning. Test each fuel injector in your vehicle the same way.

We're professional befrag parts manufacturers and suppliers in China, specialized in providing high quality customized service. We warmly welcome you to wholesale discount befrag parts for sale here from our factory.

232-1171, 4088662, 4954647

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