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Injector 222-5966 173-9379 128-6601 171-9710 10R0781 10R0782 177-4754 183-0691 For 3126 3126B 3126E More Series Caterpillar Injector 3126 Original New Injector

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Injector 222-5966 173-9379 128-6601 171-9710 10R0781 10R0782 177-4754 183-0691 For 3126 3126B 3126E More Series Caterpillar Injector 3126 Original New Injector
Details
Long Product Description The 222-5966 Caterpillar Fuel Injector is an industrial-grade diesel injection component used in selected CAT 3126 Series, 3126B, 3126E, and C7 engine platforms. This injector is part of the Caterpillar HEUI fuel system family, a system designed to deliver precise fuel metering and atomization under demanding diesel engine operating conditions. This injector is frequently searched by buyers, fleet maintenance teams, diesel repair shops, engine rebuilders, marine service companies, construction equipment owners, and aftermarket parts distributors using multiple part number formats, including 222-5966, 2225966, 10R-0781, 10R0781, 197-7107, 1977107, 198-6605, 1986605, 199-6065, 1996065, 222-5926, 2225926, EX630781, CA2225966, CA10R0781, CA1977107, CA1986605, CA1996065, and CA2225926. The injector is suitable for professional diesel engine repair, remanufacturing, fleet maintenance, industrial equipment servicing, truck engine rebuilding, marine diesel repair, and heavy-duty machinery maintenance. It is engineered to support stable fuel delivery, correct injection response, reliable atomization, consistent combustion, and dependable engine performance under variable load conditions. Because Caterpillar injector compatibility may depend on engine serial number, engine arrangement number, equipment model, emissions rating, ECM software, injector trim code, and previous repair history, the final fitment should always be verified before purchase. Caterpillar’s public parts store states that configuration changes can affect fitment and recommends checking compatibility with Cat dealer support before purchase.
Category
CAT Diesel Injector
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Description

Product Description:

OE NO 222-5966
OE NO1 171-9710
Material Original new CAT INJECTOR
ENGINE CAT engine
Car Model CAT

 

 

Short Product Description

The Caterpillar CAT 222-5966 Fuel Injector, also searched as 2225966, is a heavy-duty HEUI diesel fuel injector designed for selected Caterpillar 3126, 3126B, 3126E, and C7 diesel engine applications. It is commonly associated with CAT Reman number 10R-0781 / 10R0781 and is widely listed in aftermarket injector databases with interchange numbers such as 197-7107, 1977107, 198-6605, 1986605, 199-6065, 1996065, 222-5926, 2225926, EX630781, CA2225966, CA10R0781, CA1977107, CA1986605, CA1996065, and CA2225926. Caterpillar's public parts information identifies 222-5966 as an injector group and 10R-0781 as the related reman fuel injector, while aftermarket suppliers commonly list the wider cross-reference group for 3126B, 3126E, and C7 engines.

 

 

Product Attribute

Detailed Information

Product Type

Diesel Fuel Injector / HEUI Injector

Main Part Number

222-5966

Search Format

2225966

CAT Reman Number

10R-0781

Reman Search Format

10R0781

Common Interchange Numbers

197-7107, 1977107, 198-6605, 1986605, 199-6065, 1996065

Additional Supplier Reference Numbers

222-5926, 2225926, EX630781

CAT-Prefix Search Numbers

CA2225966, CA10R0781, CA1977107, CA1986605, CA1996065, CA2225926

Engine Brand

Caterpillar / CAT

Compatible Engine Family

Caterpillar 3126 Series, 3126B, 3126E, selected C7 applications

Fuel System Type

HEUI diesel injection system

Fuel Type

Diesel

Product Condition Options

New aftermarket, remanufactured, service replacement, OEM replacement depending on supplier

Application Type

Truck, marine, construction machinery, industrial equipment, generator set, earthmoving equipment

Main Buyer Groups

Diesel repair shops, fleet maintenance companies, engine rebuilders, parts distributors, marine service companies, equipment owners

Installation Position

Engine cylinder head fuel injection system

Quantity Per Engine

Typically 6 injectors for inline 6-cylinder engine applications

Fitment Verification

Engine serial number, old injector part number, arrangement number, injector code, ECM calibration

Sales Unit

1 piece, 4 pieces, 6 pieces, full engine set depending on customer requirement

Packaging Suggestion

Individual protective box, anti-rust protection, foam insert, sealed fuel port protection

Warranty Suggestion

6 months / 12 months depending on supplier policy and product condition

Core Charge Note

Reman injectors may require core return depending on supplier policy

 

3126

0R-8633

1OR-0781

1OR-1267

1OR-9239

2C0273

4CR0197

10R-0781

10R-0782

10R-1257

10R-1262

10R-1306

10R-9237

10R-9239

10R-9348

20R-0758

20R-8758

111-7916

116-7150

128-6601

131-7150

135-5459

138-8756

153-5938

155-1819

155-8723

156-8895

162-0218

162-9610

169-7408

169-7410

169-7411

171-9704

171-9710

173-4059

173-9267

173-9268

173-9272

173-9379

174-7526

174-7527

177-4752

177-4753

177-4754

178-0199

178-6342

178-6432

179-6020

180-7431

183-6797

188-1320

196-4229

198-4752

198-6605

198-6877

218-4109

222-5963

222-5965

222-5966

222-5967

222-5968

222-5972

232-1168

232-1170

232-1171

232-1173

232-1183

495-0327

OR-9350

        
                 

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

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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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