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Home > Products > Caterpillar Fuel Injector > 3512A Diesel Engine Parts Fuel Injector7C-4173 6I-3075 7C-9578 7E-3381for C-AT C-aterpillar Construction Machinery

3512A Diesel Engine Parts Fuel Injector7C-4173 6I-3075 7C-9578 7E-3381for C-AT C-aterpillar Construction Machinery

Name: 3512A Diesel Engine Parts Fuel Injector7C-4173 6I-3075 7C-9578 7E-3381for C-AT C-aterpillar Construction Machinery
Brand: HK REAL STRENGTH TRADE LIMITED
SKU: 6I-3075
Availability: InStock

Product Details

Place of Origin: USA

Brand Name: Caterpillar

Certification: ISO +86 13434566685

Model Number: 6I-3075

Payment & Shipping Terms

Minimum Order Quantity: 1 PCS

Packaging Details: original packing

Payment Terms: T/T, Western Union,

Supply Ability: 10000

Get Best Price

Product Details

Product Description

Product Details

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                                                                                                                                                                                                                                                                                                                                                                                                                Caterpillar diesel engine fuel injector, 3512A fuel injector for construction machinery, Caterpillar fuel injector with warranty
                              

Contact:	+86 13434566685	Part Number:	6I-3075
Other No:	7C-9578	Product Name:	CAT INJECTOR
Warranty:	12 Months	Packing:	Original Package
Stock:	In Stock	Size:	Original Size
MOQ:	1 PC	Delivery Time:	3-7 Work Days
Car:	Caterpillar C6 Engine

Contact:	+86 13434566685
Part Number:	6I-3075
Other No:	7C-9578
Product Name:	CAT INJECTOR
Warranty:	12 Months
Packing:	Original Package
Stock:	In Stock
Size:	Original Size
MOQ:	1 PC
Delivery Time:	3-7 Work Days
Car:	Caterpillar C6 Engine

Product Description

3512A Diesel Engine Parts Fuel Injector7C-4173 6I-3075 7C-9578 7E-3381for C-AT C-aterpillar Construction Machinery

Table 1 Basic Information

Item	Details
Part Number	6I-3075
Replacement Numbers	7C-9578
Product Type	Mechanical Unit Injector
Fit Engine	C-aterpillar 3512A Series Diesel Engine
Application	Generator Set, Marine, Industrial & Construction
Control Type	Mechanical Drive, Pressure Atomization
Net Weight	Approx. 2.85 kg
Installation Type	Cylinder Head Mounted, Flange Location
Test Before Shipping	Flow, Sealing, Spray Pattern, Opening Pressure

Table 2 Core Performance Parameters

Parameter	Standard Value
Nozzle Opening Pressure	19.5 MPa (±0.5 MPa)
Rated Operating Pressure	190 MPa (±5 MPa)
Number of Holes	8
Nozzle Hole Diameter	0.22 mm (±0.005 mm)
Spray Cone Angle	15° (±2°)
Fuel Delivery Per Cycle	185 mm³/cycle (±2%)
Flow Deviation	≤ ±2%
Needle Lift	0.28 ~ 0.30 mm
Sealing Performance	18 MPa / 10s, Pressure Drop ≤ 0.5 MPa
Design Service Life	≥ 8000 ~ 10000 Hours

Table 3 Structure & Material

Component	Specification / Material
Injector Assembly	0R-175 Genuine Assembly
Nozzle & Needle	Precision Lapped, Clearance ≤ 3 μm
Body Material	High-Nickel High-Temperature Alloy
Pressure Spring	Custom Stiffness, Preload 450±20 N
Gasket	Copper Gasket (Single Use Only)
Seal	FKM O-Ring (-40℃ ~ 150℃)
Oil Return	Integrated Return Connector
Mounting Thread	M24 × 1.5 Metric Fine Thread

Table 4 Installation & Maintenance

Item	Standard Requirement
Mounting Torque	18 ~ 22 N·m (Cross Tightening)
Installation Notes	Clean Bore, Replace Gasket, No Reuse Old Parts
Leakage Test	Required Before / After Installation
Idle Return Oil	≤ 50 mL/min
Fuel Uniformity	Cylinder Deviation < 5%
Maintenance Interval	Check Every 2000 Hours
Fault Symptom	Black Smoke, Rough Idle, Low Power, High Fuel Consumption
Application Condition	Prime Power, Continuous Duty, Heavy Duty

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Detailed Product Picture:

3512A Diesel Engine Parts Fuel Injector7C-4173 6I-3075 7C-9578 7E-3381for C-AT C-aterpillar Construction Machinery 2

mpany Information:

3512A Diesel Engine Parts Fuel Injector7C-4173 6I-3075 7C-9578 7E-3381for C-AT C-aterpillar Construction Machinery 5

3512A Diesel Engine Parts Fuel Injector7C-4173 6I-3075 7C-9578 7E-3381for C-AT C-aterpillar Construction Machinery 6

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3512A Diesel Engine Parts Fuel Injector7C-4173 6I-3075 7C-9578 7E-3381for C-AT C-aterpillar Construction Machinery

Caterpillar diesel engine fuel injector

3512A fuel injector for construction machinery

Caterpillar fuel injector with warranty

3512A Diesel Engine Parts Fuel Injector7C-4173 6I-3075 7C-9578 7E-3381for C-AT C-aterpillar Construction Machinery

Table 1 Basic Information

7C-9578

Table 2 Core Performance Parameters

Table 3 Structure & Material

Table 4 Installation & Maintenance

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