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Fuel Injector 386-1769 20R-1278 386-1771 20R-1280 386-1774 20R-1282 389-1969 for C3500B Engine Excavator Truck Parts
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Fuel Injector 386-1769 20R-1278 386-1771 20R-1280 386-1774 20R-1282 389-1969 for C3500B Engine Excavator Truck Parts
  • name
  • name
  • name
  • name
  • name
  • name

Fuel Injector 386-1769 20R-1278 386-1771 20R-1280 386-1774 20R-1282 389-1969 for C3500B Engine Excavator Truck Parts

MOQ: 1 PCS
Standard Packaging: original packing
Delivery Period: 3-6 work days
Payment Method: T/T, Western Union, MoneyGram,Paypal ,RMB
Supply Capacity: 10000
Detail Information
Product Description
Detail Information
Place of Origin
England
Brand Name
CAT
Certification
ISO contact :86 17841207606
Model Number
389-1969
Product Name:
CAT INJECTOR
Contact:
86 17841207606
Part Number:
389-1969
Other No:
20R-1282
Engine:
Cat Engine
Warranty:
6 Months
Packing:
Original Package
Origin:
England
Payment Term:
T/T. Western Union
MOQ:
1 PC
Delivery Time:
3-10 Workdays According To Your Order
Shipping:
DHL/FedEx/UPS
Highlight:

Caterpillar fuel injector for C3500B engine

,

Excavator truck fuel injector parts

,

Fuel injector 386-1769 with warranty

Product Description

Fuel Injector 386-1769 20R-1278 386-1771 20R-1280 386-1774 20R-1282 389-1969 for C3500B Engine Excavator Truck Parts

 
 

Detailed Product Datasheet:
 

Part Number: 389-1969
OE NO:

20R-1282
Origin: CAT
CAR

Excavator
Payment Term: T/T. Western Union

 

 

Why Choose Us:

1.Good technical training and technical support

2.Strong support from professional sales/engineer/technican team,shipment and after-service department.

 3.The product has undergone a rigorous testing process, and we provide high-quality products.

 4.Support multiple payment methods, payment protection.

 

The c-aterpillar 389-1969 fuel injector is a genuine OEM replacement component, precision-engineered and factory-calibrated specifically for the c-at 3512B series 12-cylinder V-type diesel engine. This heavy-duty power unit is widely used in mission-critical applic-ations such as stationary power generation, marine propulsion, industrial machinery, oilfield operations, and large-scale infrastructure support. Manufactured in full compliance with c-aterpillar’s original engineering standards and strict quality control processes, this injector utilizes advanced MEUI (Mechanically Actuated Electronically Controlled Unit Injector) technology to deliver unmatched fuel metering precision, superior fuel atomization, and stable injection timing control. Constructed with a reinforced heavy-duty housing and wear-resistant internal precision parts, it withstands prolonged high-pressure fuel cycles, diesel corrosion, abrasive impurities, and extreme temperature fluctuations, ensuring consistent performance and extended service life. Installing the authentic 389-1969 injector restores the engine’s factory-rated power output, optimizes combustion efficiency, reduces harmful exhaust emissions, and minimizes costly unplanned downtime, making it a critical spare part for routine maintenance, engine overhauls, and fault resolution of c-at 3512B power systems.

1. Core Basic Specific-ations Table

Parameter Item Specific Value
Part Number 389-1969
Compatible Engine Model c-aterpillar 3512B Series Diesel Engine
Injector Type MEUI (Mechanically Actuated Electronically Controlled Unit Injector)
Rated Injection Pressure 2100–2600 bar (Factory Calibrated High-Precision Atomization)
Material Construction High-Strength Forged Alloy Steel, Industrial Anti-Corrosion Seals & Wear-Resistant Precision Components
Operating Temperature Range -40°C to 180°C
Fit Type Direct OEM Replacement, Plug-and-Play Installation
Quality Certific-ation c-aterpillar Original Factory Quality & Performance Standards

2. Performance Advantages & Applic-ation Compatibility Table

c-ategory Detailed Description
Core Performance Benefits Delivers ultra-fine fuel atomization (particle size ≤25 microns) with injection timing deviation controlled within ±0.5%, guaranteeing balanced fuel delivery across 12 cylinders and complete combustion. Boosts fuel efficiency by 18–20% versus generic aftermarket parts, resists high-pressure fatigue, diesel corrosion and abrasive contaminants, eliminates rough idle, power loss and black smoke, and lowers NOx/particulate emissions to meet strict industrial and marine environmental standards.
Applic-ation & Compatibility Exclusively designed for c-at 3512B engine-powered equipment: stationary generator sets, marine main/auxiliary engines, offshore drilling rigs, heavy construction machinery and oilfield pumping systems. Ideal for engine overhaul, routine injector replacement, and troubleshooting power decline, high fuel consumption or unstable idle; features direct OEM interchangeability with no modific-ations or professional calibration required post-installation.

3. Maintenance & Troubleshooting Guidance Table

Item Details & Recommendations
Recommended Service Interval Follow c-aterpillar factory maintenance schedule; replace every 8000–12000 operating hours under normal working conditions
Common Fault Symptoms Engine power loss, excessive fuel consumption, unstable idle, black/white exhaust smoke, hard starting, abnormal engine noise
Installation Notes Clean fuel system passages before installation; use genuine c-at gaskets/seals; torque to factory specific-ations; bleed air from fuel lines after assembly
Warranty & Quality Genuine c-aterpillar OEM part, backed by factory quality assurance; consistent performance with original assembly components

 

 

 

Fuel Injector 386-1769 20R-1278 386-1771 20R-1280 386-1774 20R-1282 389-1969 for C3500B Engine Excavator Truck Parts 0

Fuel Injector 386-1769 20R-1278 386-1771 20R-1280 386-1774 20R-1282 389-1969 for C3500B Engine Excavator Truck Parts 1 Detailed Product Picture:

Fuel Injector 386-1769 20R-1278 386-1771 20R-1280 386-1774 20R-1282 389-1969 for C3500B Engine Excavator Truck Parts 2Fuel Injector 386-1769 20R-1278 386-1771 20R-1280 386-1774 20R-1282 389-1969 for C3500B Engine Excavator Truck Parts 3Fuel Injector 386-1769 20R-1278 386-1771 20R-1280 386-1774 20R-1282 389-1969 for C3500B Engine Excavator Truck Parts 4


Company Information:

Fuel Injector 386-1769 20R-1278 386-1771 20R-1280 386-1774 20R-1282 389-1969 for C3500B Engine Excavator Truck Parts 5

 

 

Fuel Injector 386-1769 20R-1278 386-1771 20R-1280 386-1774 20R-1282 389-1969 for C3500B Engine Excavator Truck Parts 5

 

Fuel Injector 386-1769 20R-1278 386-1771 20R-1280 386-1774 20R-1282 389-1969 for C3500B Engine Excavator Truck Parts 5

 

 


 

Fuel Injector 386-1769 20R-1278 386-1771 20R-1280 386-1774 20R-1282 389-1969 for C3500B Engine Excavator Truck Parts 8

Fuel Injector 386-1769 20R-1278 386-1771 20R-1280 386-1774 20R-1282 389-1969 for C3500B Engine Excavator Truck Parts 9`

Fuel Injector 386-1769 20R-1278 386-1771 20R-1280 386-1774 20R-1282 389-1969 for C3500B Engine Excavator Truck Parts 10


WhatsApp/Wechat :+86 17841207606

Tags: 

212-3465 Caterpiller Fuel Injectors,  

10R-3262 Caterpillar Excavator Part,  

249-0705 Common Rail Fuel Injector

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Products
PRODUCTS DETAILS
Products

Caterpiller Fuel Injectors

PERKINS Fuel Injector

VOL Fuel Injector

Fuel Injector

BOSCH Fuel Injector

DENSO Fuel Injector

Engine Fuel Pump

TOYOTA Fuel Injectors

Injector Control Valve

DELPHI Fuel Injector

Fuel Injector Nozzle

KOMATSU Fuel Injectors

ISUZU Fuel Injector

Injector Repair Kit

Diesel Fuel injector
Fuel Injector 386-1769 20R-1278 386-1771 20R-1280 386-1774 20R-1282 389-1969 for C3500B Engine Excavator Truck Parts
  • name
  • name
  • name
  • name
  • name
  • name
Fuel Injector 386-1769 20R-1278 386-1771 20R-1280 386-1774 20R-1282 389-1969 for C3500B Engine Excavator Truck Parts
MOQ: 1 PCS
Standard Packaging: original packing
Delivery Period: 3-6 work days
Payment Method: T/T, Western Union, MoneyGram,Paypal ,RMB
Supply Capacity: 10000
Detail Information
Product Description
Detail Information
Place of Origin
England
Brand Name
CAT
Certification
ISO contact :86 17841207606
Model Number
389-1969
Product Name:
CAT INJECTOR
Contact:
86 17841207606
Part Number:
389-1969
Other No:
20R-1282
Engine:
Cat Engine
Warranty:
6 Months
Packing:
Original Package
Origin:
England
Payment Term:
T/T. Western Union
MOQ:
1 PC
Delivery Time:
3-10 Workdays According To Your Order
Shipping:
DHL/FedEx/UPS
Minimum Order Quantity:
1 PCS
Packaging Details:
original packing
Delivery Time:
3-6 work days
Payment Terms:
T/T, Western Union, MoneyGram,Paypal ,RMB
Supply Ability:
10000
Highlight

Caterpillar fuel injector for C3500B engine

,

Excavator truck fuel injector parts

,

Fuel injector 386-1769 with warranty

Product Description

Fuel Injector 386-1769 20R-1278 386-1771 20R-1280 386-1774 20R-1282 389-1969 for C3500B Engine Excavator Truck Parts

 
 

Detailed Product Datasheet:
 

Part Number: 389-1969
OE NO:

20R-1282
Origin: CAT
CAR

Excavator
Payment Term: T/T. Western Union

 

 

Why Choose Us:

1.Good technical training and technical support

2.Strong support from professional sales/engineer/technican team,shipment and after-service department.

 3.The product has undergone a rigorous testing process, and we provide high-quality products.

 4.Support multiple payment methods, payment protection.

 

The c-aterpillar 389-1969 fuel injector is a genuine OEM replacement component, precision-engineered and factory-calibrated specifically for the c-at 3512B series 12-cylinder V-type diesel engine. This heavy-duty power unit is widely used in mission-critical applic-ations such as stationary power generation, marine propulsion, industrial machinery, oilfield operations, and large-scale infrastructure support. Manufactured in full compliance with c-aterpillar’s original engineering standards and strict quality control processes, this injector utilizes advanced MEUI (Mechanically Actuated Electronically Controlled Unit Injector) technology to deliver unmatched fuel metering precision, superior fuel atomization, and stable injection timing control. Constructed with a reinforced heavy-duty housing and wear-resistant internal precision parts, it withstands prolonged high-pressure fuel cycles, diesel corrosion, abrasive impurities, and extreme temperature fluctuations, ensuring consistent performance and extended service life. Installing the authentic 389-1969 injector restores the engine’s factory-rated power output, optimizes combustion efficiency, reduces harmful exhaust emissions, and minimizes costly unplanned downtime, making it a critical spare part for routine maintenance, engine overhauls, and fault resolution of c-at 3512B power systems.

1. Core Basic Specific-ations Table

Parameter Item Specific Value
Part Number 389-1969
Compatible Engine Model c-aterpillar 3512B Series Diesel Engine
Injector Type MEUI (Mechanically Actuated Electronically Controlled Unit Injector)
Rated Injection Pressure 2100–2600 bar (Factory Calibrated High-Precision Atomization)
Material Construction High-Strength Forged Alloy Steel, Industrial Anti-Corrosion Seals & Wear-Resistant Precision Components
Operating Temperature Range -40°C to 180°C
Fit Type Direct OEM Replacement, Plug-and-Play Installation
Quality Certific-ation c-aterpillar Original Factory Quality & Performance Standards

2. Performance Advantages & Applic-ation Compatibility Table

c-ategory Detailed Description
Core Performance Benefits Delivers ultra-fine fuel atomization (particle size ≤25 microns) with injection timing deviation controlled within ±0.5%, guaranteeing balanced fuel delivery across 12 cylinders and complete combustion. Boosts fuel efficiency by 18–20% versus generic aftermarket parts, resists high-pressure fatigue, diesel corrosion and abrasive contaminants, eliminates rough idle, power loss and black smoke, and lowers NOx/particulate emissions to meet strict industrial and marine environmental standards.
Applic-ation & Compatibility Exclusively designed for c-at 3512B engine-powered equipment: stationary generator sets, marine main/auxiliary engines, offshore drilling rigs, heavy construction machinery and oilfield pumping systems. Ideal for engine overhaul, routine injector replacement, and troubleshooting power decline, high fuel consumption or unstable idle; features direct OEM interchangeability with no modific-ations or professional calibration required post-installation.

3. Maintenance & Troubleshooting Guidance Table

Item Details & Recommendations
Recommended Service Interval Follow c-aterpillar factory maintenance schedule; replace every 8000–12000 operating hours under normal working conditions
Common Fault Symptoms Engine power loss, excessive fuel consumption, unstable idle, black/white exhaust smoke, hard starting, abnormal engine noise
Installation Notes Clean fuel system passages before installation; use genuine c-at gaskets/seals; torque to factory specific-ations; bleed air from fuel lines after assembly
Warranty & Quality Genuine c-aterpillar OEM part, backed by factory quality assurance; consistent performance with original assembly components

 

 

 

Fuel Injector 386-1769 20R-1278 386-1771 20R-1280 386-1774 20R-1282 389-1969 for C3500B Engine Excavator Truck Parts 0

Fuel Injector 386-1769 20R-1278 386-1771 20R-1280 386-1774 20R-1282 389-1969 for C3500B Engine Excavator Truck Parts 1 Detailed Product Picture:

Fuel Injector 386-1769 20R-1278 386-1771 20R-1280 386-1774 20R-1282 389-1969 for C3500B Engine Excavator Truck Parts 2Fuel Injector 386-1769 20R-1278 386-1771 20R-1280 386-1774 20R-1282 389-1969 for C3500B Engine Excavator Truck Parts 3Fuel Injector 386-1769 20R-1278 386-1771 20R-1280 386-1774 20R-1282 389-1969 for C3500B Engine Excavator Truck Parts 4


Company Information:

Fuel Injector 386-1769 20R-1278 386-1771 20R-1280 386-1774 20R-1282 389-1969 for C3500B Engine Excavator Truck Parts 5

 

 

Fuel Injector 386-1769 20R-1278 386-1771 20R-1280 386-1774 20R-1282 389-1969 for C3500B Engine Excavator Truck Parts 5

 

Fuel Injector 386-1769 20R-1278 386-1771 20R-1280 386-1774 20R-1282 389-1969 for C3500B Engine Excavator Truck Parts 5

 

 


 

Fuel Injector 386-1769 20R-1278 386-1771 20R-1280 386-1774 20R-1282 389-1969 for C3500B Engine Excavator Truck Parts 8

Fuel Injector 386-1769 20R-1278 386-1771 20R-1280 386-1774 20R-1282 389-1969 for C3500B Engine Excavator Truck Parts 9`

Fuel Injector 386-1769 20R-1278 386-1771 20R-1280 386-1774 20R-1282 389-1969 for C3500B Engine Excavator Truck Parts 10


WhatsApp/Wechat :+86 17841207606

Tags: 

212-3465 Caterpiller Fuel Injectors,

10R-3262 Caterpillar Excavator Part,

249-0705 Common Rail Fuel Injector

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