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Caterpillar original Fuel Injector Assembly 232-1172 fits Cat 3412, 3408E, engines, Replacement for OEM 10R-1266, compatible industrial machinery parts for excavator use 20R-0758 original new injector
Detail Information
Place of Origin:
USA
Certification:
Contact: 86+ 19959162250
Product Name:
Caterpillar Injector
OE NO:
232-1172
OE NO1:
10R-1266
OE NO2:
20R-0758
Warranty:
12 Months
Contact:
86+ 19959162250
Quality:
Brand New Genuine
Car Model:
CATERPILLA ENGINE
ApplicATio:
Fuel Injection System
Material:
High Speed Steel
Type:
Diesel
SIZE:
Origional Standard
Supply Ability:
1000pcs/months
Highlight:

Caterpillar Fuel Injector Assembly 232-1172

,

Cat 3412 3408E engines injector

,

OEM 10R-1266 replacement injector

Product Description

Caterpillar original Fuel Injector Assembly 232-1172 fits Cat 3412, 3408E, engines, Replacement for OEM 10R-1266, compatible industrial machinery parts for excavator use 20R-0758 original new injector

Fuel Type

Diesel

Condition

Original

Applicable Engine

CAT 3412 Series Diesel Engines

Injector Type

High-pressure Direct Injection Diesel Injector

Quality Standard

Manufactured to OEM specifications, OEM-quality

Packaging

Not Specified

Fuel System

High-pressure Direct Injection

OE Number

232-1172

Brand

CAT (Caterpillar)

Cross Number / Universal Number

0R-3235 (Replacement), 9Y-8820 (Cross Reference)

Vehicle / Equipment Application

Heavy Machinery, Generators, Marine Engines, Industrial Power Plants, Construction Equipment, Mining Equipment, Oil & Gas Equipment, Locomotive Engines, Offshore & Onshore Industrial Diesel Engines, Agricultural Machinery, Transport Equipment

Application Type

Industrial & Heavy-duty Diesel Applications

The CAT 232-1172 fuel injector is a high-precision original diesel component engineered exclusively for Caterpillar 3412 series engines, built to meet strict OEM standards for consistent, reliable performance. It is compatible with replacement part 0R-3235 and cross-reference part 9Y-8820, making it a versatile solution for Caterpillar engine maintenance and heavy-duty diesel machinery overhauls. Its original-grade construction eliminates the fitment and performance risks associated with unvetted aftermarket alternatives.

Operating on a high-pressure direct injection principle, the injector delivers precise fuel atomization at 200–250 bar via a multi-hole nozzle, creating an optimized spray pattern to support complete, efficient combustion. Its high-strength alloy build resists corrosion and wear in harsh operating conditions, while rapid response to engine control signals reduces carbon deposits, smoke emissions, and unnecessary fuel waste. Each unit undergoes testing under extreme temperature and pressure to support continuous industrial operation.

Installation requires pre-fitting fuel system cleaning, 40–45 Nm torque application, compatible sealing washers, and OEM-spec tip clearance verification. Recommended maintenance includes 500-hour inspections, regular fuel filter and line cleaning, and immediate worn seal replacement, with use of approved diesel fuel grades. It serves global industrial use cases spanning heavy machinery, generators, marine engines, construction, mining, and oil & gas operations to reduce unplanned operational downtime.

Caterpillar original Fuel Injector Assembly 232-1172 fits Cat 3412, 3408E, engines, Replacement for OEM 10R-1266, compatible industrial machinery parts for excavator use 20R-0758 original new injector

Caterpillar original Fuel Injector Assembly 232-1172 fits Cat 3412, 3408E, engines, Replacement for OEM 10R-1266, compatible industrial machinery parts for excavator use 20R-0758 original new injector

Caterpillar original Fuel Injector Assembly 232-1172 fits Cat 3412, 3408E, engines, Replacement for OEM 10R-1266, compatible industrial machinery parts for excavator use 20R-0758 original new injector detail 1

Caterpillar original Fuel Injector Assembly 232-1172 fits Cat 3412, 3408E, engines, Replacement for OEM 10R-1266, compatible industrial machinery parts for excavator use 20R-0758 original new injector detail 2

Caterpillar original Fuel Injector Assembly 232-1172 fits Cat 3412, 3408E, engines, Replacement for OEM 10R-1266, compatible industrial machinery parts for excavator use 20R-0758 original new injector detail 3

Caterpillar original Fuel Injector Assembly 232-1172 fits Cat 3412, 3408E, engines, Replacement for OEM 10R-1266, compatible industrial machinery parts for excavator use 20R-0758 original new injector detail 4

Caterpillar original Fuel Injector Assembly 232-1172 fits Cat 3412, 3408E, engines, Replacement for OEM 10R-1266, compatible industrial machinery parts for excavator use 20R-0758 original new injector detail 5

Caterpillar original Fuel Injector Assembly 232-1172 fits Cat 3412, 3408E, engines, Replacement for OEM 10R-1266, compatible industrial machinery parts for excavator use 20R-0758 original new injector detail 6

Caterpillar original Fuel Injector Assembly 232-1172 fits Cat 3412, 3408E, engines, Replacement for OEM 10R-1266, compatible industrial machinery parts for excavator use 20R-0758 original new injector detail 7

Caterpillar original Fuel Injector Assembly 232-1172 fits Cat 3412, 3408E, engines, Replacement for OEM 10R-1266, compatible industrial machinery parts for excavator use 20R-0758 original new injector detail 8

Caterpillar original Fuel Injector Assembly 232-1172 fits Cat 3412, 3408E, engines, Replacement for OEM 10R-1266, compatible industrial machinery parts for excavator use 20R-0758 original new injector detail 9

Caterpillar original Fuel Injector Assembly 232-1172 fits Cat 3412, 3408E, engines, Replacement for OEM 10R-1266, compatible industrial machinery parts for excavator use 20R-0758 original new injector detail 10

Caterpillar original Fuel Injector Assembly 232-1172 fits Cat 3412, 3408E, engines, Replacement for OEM 10R-1266, compatible industrial machinery parts for excavator use 20R-0758 original new injector detail 11

Caterpillar original Fuel Injector Assembly 232-1172 fits Cat 3412, 3408E, engines, Replacement for OEM 10R-1266, compatible industrial machinery parts for excavator use 20R-0758 original new injector detail 12

Contact Detail:

ADD:Huangpu Machinery City, No.585-A, No.138, Southeast Road, Huangpu District, Guangzhou City,

Guangdong Province Tel:+86 020 88557755

Cellphone:+86 19959162250 WhatsApp:+86 19959162250

Email:2209396088@qq.com