Injector 246-1854 10R-7238 Diesel Fuel Injector 245-8272 10R-8795 229-1631 204-2067 192-2817 0R-3539 162-8813 0R-9944 162-8809 150-4453 Caterpillar Injector 3512B Original New Injector

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Injector 246-1854 10R-7238 Diesel Fuel Injector 245-8272 10R-8795 229-1631 204-2067 192-2817 0R-3539 162-8813 0R-9944 162-8809 150-4453 Caterpillar Injector 3512B Original New Injector
Details
Working Principle Fuel injectors deliver pressurized diesel fuel directly into the engine combustion chamber. The 0R-9944 injector regulates fuel quantity, spray pattern, and timing for precise combustion control, maximizing power output and minimizing emissions. Advanced nozzle design allows uniform spray angles and optimized droplet size for high-efficiency combustion. Industrial Features High-pressure durability (up to 2500 bar) Precision-engineered nozzle for consistent spray pattern Long service life in heavy-duty industrial engines OEM-equivalent design for reliable performance Anti-corrosion and wear-resistant coating Installation Guidelines Use OEM torque specifications (35–45 Nm depending on engine design) Ensure clean fuel system to prevent contamination Check alignment with cylinder head ports Verify injector seating and O-ring sealing Maintenance & Service Regular inspection every 500 operating hours Clean fuel filters to prevent clogging Check for leakages and replace worn seals Monitor engine performance for early fault detection Injector Fault Diagnosis Common failure modes: Clogging due to dirty fuel → reduced performance, misfire Leaking seals → fuel leakage, pressure drop Worn nozzle → uneven spray pattern, incomplete combustion Global Market Applications Power plants and generator sets Construction and mining machinery Marine engines and oil rigs Industrial manufacturing engines SEO/GEO Keywords Database CAT 3512B injector replacement Caterpillar 0R-9944 fuel injection Industrial diesel injector global supply Heavy equipment spare parts High-pressure diesel fuel injector
Category
CAT Diesel Injector
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Description

Product Description:

OE NO 0R-9944
OE NO1 10R-7238
Material Original new CAT INJECTOR
ENGINE CAT engine
Car Model CAT

 

 

Technical Description & Industrial Overview

The Caterpillar 3512B Fuel Injector 0R-9944 is an industrial-grade, high-precision fuel delivery component engineered for Caterpillar 3512B diesel engines. Built with advanced alloy steel and manufactured to OEM standards, this injector ensures optimal atomization and combustion efficiency in high-load environments. It is designed for direct injection applications and supports sustained operation in extreme industrial conditions.

 


Attribute

Details

Product Name

Caterpillar 3512B Fuel Injector

Model Number

0R-9944

OE / Original Number

0R9944

Replacement / Alternative Numbers

238-7323, 10R-7555

Cross Reference Numbers

0R9944, 2387323, 10R-7555

Compatible Engine Models

CAT 3512B

Engine Type

Diesel, 4-Stroke, V12, Industrial

Fuel Type

Diesel

Injector Type

Direct Injection

Nozzle Type

Single-Hole / Multi-Hole (depending on application)

Installation Method

Bolt-on, OEM specification torque

Material

High-strength alloy steel

Operating Pressure

2000–2500 bar (varies by engine load)

Spray Angle

155° ± 5°

Flow Rate

300–350 ml/min @ 2000 bar

Operating Temperature

-40°C to 120°C

Certification

ISO9001, CE, Caterpillar Original Part Equivalent

Industrial Applications

Power Generation, Marine, Oil & Gas, Heavy Machinery, Mining, Construction

Weight

1.2 kg

Package

Individual, anti-corrosion packaging

Warranty

12 months / 1000 operating hours

Global Availability

North America, Europe, Asia, Australia, Middle East

Keywords (SEO/GEO)

CAT 3512B injector, Caterpillar 0R-9944, diesel engine fuel injection, industrial engine spare parts, heavy equipment injector, replacement injector CAT, global industrial fuel injector



 

3512B

0R-3539

0R-8619

0R-9944

10R-1275

10R-1276

10R-1278

10R-1279

10R-1280

10R-1288

10R-1290

10R-1303

10R-2826

10R-2827

10R-3255

10R-7238

10R-8795

10R-9617

11R-0282

11R-0283

11R-0680

150-4453

162-8809

162-8813

192-2817

204-2067

20R-0848

20R-0849

20R-0850

20R-1262

20R-1264

20R-1265

20R-1266

20R-1267

20R-1268

20R-1269

20R-1270

20R-1272

20R-1275

20R-1276

20R-1277

20R-1278

20R-1280

20R-1283

20R-2296

20R-3247

20R-3477

20R-3483

20R3483

211-3024

229-1631

230-3255

230-9457

245-8272

246-1854

249-0746

250-1302

250-1303

250-1304

250-1306

250-1308

250-1311

250-1312

250-1313

250-1314

266-4387

2OR-1276

359-5469

373-4087

375-4106

376-0509

379-0509

386-1752

386-1753

386-1754

386-1758

386-1760

386-1766

386-1767

386-1768

386-1769

386-1771

386-1774

386-1776

386~1767

389-1969

392-0200

392-0201

392-0202

392-0203

392-0204

392-0205

392-0206

392-0208

392-0211

392-0212

392-0213

392-0214

392-0215

392-0216

392-0217

392-0219

392-0224

392-0225

392-0226

392-2000

392-6214

3920214

437-7547

OR9-539

               
                 

caterpillar Fuel Injector Series - Engine - Equipment Appliccccation Table

 

 
Fuel Injector / Engine Series Common Injection Technology Corresponding Engine Platform Common ccccat Models / Equipment Platforms
3116 Series Mechanical Injection / Early Electronic Platform 3116, 3116T, 3116TA, 3116DIT M318, M320 Wheel Excavators; 135H Motor Grader; D6M Dozer
3126 / 3126B Series HEUI 3126, 3126B 120H Motor Grader; 950G Series II Wheel Loader; 950G Platform
3126E Series HEUI 3126E Commonly used in medium-duty construction and industrial platforms similar to the 3126 appliccccation range
C6.4 Series ACERT Injection Platform C6.4 ACERT 320D / 320D L; 323D L / LN; 320D LRR; 320D FM
C6.6 Series ACERT Injection Platform C6.6 ACERT 320D / 320D L (C6.6 versions); 320E LN; 323E LN
C7 Series HEUI C7, C7 ACERT 120K Motor Grader; 950H Wheel Loader
C7.1 Series Common Rail / Later Electronic Injection C7.1, C7.1 ACERT 320D2 / D2 L, 326D2, 330D2 Excavators; 950K, 950, 962, 930M Wheel Loaders; Generator Sets
C9 Series HEUI-B C9, C9 ACERT 330D / 330D L / 330D MH; construction and industrial platforms
C10 Series Electronic Unit Injection Family C10 140H, 143H, 160H, 163H, 14H, 16H Motor Graders; 814F Wheel Dozer; 815F Compactor; 816F Landfill Compactor; 966G II, 972G II Wheel Loaders; D7R II Dozer; 725 / 730 Articulated Trucks; R1600G, R1700G LHD; W345B II Wheel Excavator; 345B / 365B Excavators
C12 Series Electronic Unit Injection C12, C12 Marine Widely used across 140H, 143H, 160H, 163H, 14H, 16H; 966G II, 972G II; D7R II; 725 / 730; W345B II; 345B / 365B; also widely used in marine appliccccations
C13 Series MEUI C13, C13 ACERT 345D L Excavator; 730C EJ Articulated Dump Truck; Generator Sets; Industrial Power Platforms
C15 Series MEUI C15, C15 ACERT 770 Off-Highway Truck; 374D L / 374F L Excavators; 365C Demolition Excavator; R3000H LHD; Industrial Power and Generator Sets
3406E Series EUI 3406E AD30 Underground Mining Truck; 16H Motor Grader; 824G Series II Wheel Dozer; 826G Series II Landfill Compactor
C18 Series15 EUI / Later Electronic Injection Platform C18, C18 ACERT Generator Sets; Marine Appliccccations; Large Industrial and Mining Platforms
202603-TD2-CAT

Why Choose Us:

1. Sample order is accepted

2.Your choice make difference !

3.We are professional in engine oil supply system;

4.Great sales and after-sales Services - The principle of customer always comes first. To help you-our dear customer to save costs, we are committed to offer you high quality engine parts with the most competitive price. After sales, we are willing to provide technical support and glad to hear any feedback from you. It is your kind opinion that make us get more and more improvement.

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Contact Detail:
ADD:Huangpu Machinery City, No.585-A, No.138, Southeast Road, Huangpu District, Guangzhou City,
Guangdong Province
Cellphone:+86 13790195672 Whatsapp::+86 13790195672
Email:edwardswilliam1988@gmail.com

 

 

 

 

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