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Caterpillar original Diesel Fuel Injector 10R-1003 for Caterpillar C12 Engine, Replacement for 166-0151, 170-5252, Cross Reference 10R-0961, Fits Excavator 330D 336D 336D2 II L original new injector
Detail Information
Place of Origin:
USA
Certification:
Contact: 86+ 19959162250
Product Name:
CATerpillar Injector
OE NO:
10R-1003
OE NO1:
10R-0961
OE NO2:
170-5252
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 10R-1003 Diesel Injector

,

C12 Engine Fuel Injector Replacement

,

Excavator 330D 336D Injector

Product Description

Caterpillar original Diesel Fuel Injector 10R-1003 for Caterpillar C12 Engine, Replacement for 166-0151, 170-5252, Cross Reference 10R-0961, Fits Excavator 330D 336D 336D2 II L original new injector

Fuel Type

Diesel

Condition

Remanufactured (Reman)

Applicable Engine

Caterpillar C12, C-12, C10, C-10, 3176, 3196 diesel engines

Injector Type

Remanufactured diesel fuel injector (fuel nozzle injector assembly)

Quality Standard

Industrial-grade

Packaging

Not specified

Fuel System

Not specified

OE Number

10R-1003 (10R1003, 10R 1003, CA10R1003)

Brand

CAT (Caterpillar)

Cross Number / Universal Number

223-5328 (2235328, 223 5328, CA2235328)

Vehicle / Equipment Application

Heavy-duty trucks, construction machinery, industrial diesel engines, mining equipment, diesel generators

Application Type

Aftermarket OE replacement, diesel engine maintenance and repair, fleet maintenance, engine rebuild

As an industrial-grade remanufactured fuel delivery component from Caterpillar, the 10R-1003 diesel fuel injector is engineered for compatibility with a range of CAT heavy-duty engine platforms. Verified under Caterpillar’s official parts channel, the primary reman part number is 10R-1003, with recognized formatting variants including 10R1003, 10R 1003 and CA10R1003, while 223-5328 serves as the corresponding injector group cross reference number. It fits Caterpillar C12, C-12, C10, C-10, 3176 and 3196 diesel engines, covering core demand across heavy-duty and industrial powertrain scenarios.

Integrated into the diesel fuel delivery system, the 10R-1003 injector performs core functions of fuel metering, pressurization and atomization to deliver diesel into the combustion chamber in a precisely controlled spray pattern. It operates in alignment with engine load, speed and operating conditions to adjust injection timing and fuel quantity, supporting stable combustion, consistent power output, optimized fuel economy, reliable cold-start performance and effective emissions control for equipment operators.

This remanufactured injector is tailored for diverse B2B stakeholders across the diesel parts ecosystem, including diesel engine repair shops, fleet maintenance teams, truck parts distributors, mining and construction equipment service providers, reman injector wholesalers and global aftermarket suppliers. It supports use cases across heavy-duty trucks, construction machinery, mining equipment, diesel generators and industrial engine rebuild projects, serving as an OE replacement solution for scheduled maintenance and unscheduled repair needs.

Caterpillar original Diesel Fuel Injector 10R-1003 for Caterpillar C12 Engine, Replacement for 166-0151, 170-5252, Cross Reference 10R-0961, Fits Excavator 330D 336D 336D2 II L original new injector

Caterpillar original Diesel Fuel Injector 10R-1003 for Caterpillar C12 Engine, Replacement for 166-0151, 170-5252, Cross Reference 10R-0961, Fits Excavator 330D 336D 336D2 II L original new injector

Caterpillar original Diesel Fuel Injector 10R-1003 for Caterpillar C12 Engine, Replacement for 166-0151, 170-5252, Cross Reference 10R-0961, Fits Excavator 330D 336D 336D2 II L original new injector detail 1

Caterpillar original Diesel Fuel Injector 10R-1003 for Caterpillar C12 Engine, Replacement for 166-0151, 170-5252, Cross Reference 10R-0961, Fits Excavator 330D 336D 336D2 II L original new injector detail 2

Caterpillar original Diesel Fuel Injector 10R-1003 for Caterpillar C12 Engine, Replacement for 166-0151, 170-5252, Cross Reference 10R-0961, Fits Excavator 330D 336D 336D2 II L original new injector detail 3

Caterpillar original Diesel Fuel Injector 10R-1003 for Caterpillar C12 Engine, Replacement for 166-0151, 170-5252, Cross Reference 10R-0961, Fits Excavator 330D 336D 336D2 II L original new injector detail 4

Caterpillar original Diesel Fuel Injector 10R-1003 for Caterpillar C12 Engine, Replacement for 166-0151, 170-5252, Cross Reference 10R-0961, Fits Excavator 330D 336D 336D2 II L original new injector detail 5

Caterpillar original Diesel Fuel Injector 10R-1003 for Caterpillar C12 Engine, Replacement for 166-0151, 170-5252, Cross Reference 10R-0961, Fits Excavator 330D 336D 336D2 II L original new injector detail 6

Caterpillar original Diesel Fuel Injector 10R-1003 for Caterpillar C12 Engine, Replacement for 166-0151, 170-5252, Cross Reference 10R-0961, Fits Excavator 330D 336D 336D2 II L original new injector detail 7

Caterpillar original Diesel Fuel Injector 10R-1003 for Caterpillar C12 Engine, Replacement for 166-0151, 170-5252, Cross Reference 10R-0961, Fits Excavator 330D 336D 336D2 II L original new injector detail 8

Caterpillar original Diesel Fuel Injector 10R-1003 for Caterpillar C12 Engine, Replacement for 166-0151, 170-5252, Cross Reference 10R-0961, Fits Excavator 330D 336D 336D2 II L original new injector detail 9

Caterpillar original Diesel Fuel Injector 10R-1003 for Caterpillar C12 Engine, Replacement for 166-0151, 170-5252, Cross Reference 10R-0961, Fits Excavator 330D 336D 336D2 II L original new injector detail 10

Caterpillar original Diesel Fuel Injector 10R-1003 for Caterpillar C12 Engine, Replacement for 166-0151, 170-5252, Cross Reference 10R-0961, Fits Excavator 330D 336D 336D2 II L original new injector detail 11

Caterpillar original Diesel Fuel Injector 10R-1003 for Caterpillar C12 Engine, Replacement for 166-0151, 170-5252, Cross Reference 10R-0961, Fits Excavator 330D 336D 336D2 II L 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