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Caterpillar original Replacement Fuel Injector 20R-1266 for Caterpillar Engines Cross Reference 20R-1278, 386-1769, 20R-1276 for C3500B, 3512B, 992G Wheel Loader, SR4 Generator original new injector
Detail Information
Place of Origin:
USA
Certification:
Contact: 86+ 19959162250
Product Name:
CATerpillar Injector
OE NO:
20R-1266
OE NO1:
386-1769
OE NO2:
20R-1278
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 20R-1266 fuel injector

,

C3500B 3512B injector replacement

,

992G wheel loader diesel injector

Product Description

Caterpillar original Replacement Fuel Injector 20R-1266 for Caterpillar Engines Cross Reference 20R-1278, 386-1769, 20R-1276 for C3500B, 3512B, 992G Wheel Loader, SR4 Generator original new injector

Fuel Type

Diesel

Condition

Original Replacement (Genuine Quality)

Applicable Engine

CAT 3512B

Injector Type

Fuel Injector Assembly / Diesel Injection Nozzle Assembly

Quality Standard

Genuine Quality, Original-Type Replacement

Packaging

Contact supplier for packaging details

Fuel System

Diesel Fuel Injection System

OE Number

20R-1266

Brand

CAT (Caterpillar)

Cross Number / Universal Number

20R1266, 212-3467, 2123467, 10R-0957, 10R0957, 10R-1273, 10R1273

Vehicle / Equipment Application

Generator Set, Marine Propulsion, Industrial Power Unit, Oilfield Equipment, Mining Equipment

Application Type

Power Generation / Marine / Industrial / Oilfield / Mining

Reliable fuel delivery is the foundation of performance for the Caterpillar 3512B engine, and the 20R-1266 fuel injector assembly is engineered to meet that demand. As a core component of the diesel fuel injection system, this injector meters and atomizes diesel fuel into the combustion chamber with precision, supporting stable power output, efficient combustion, and consistent engine operation under continuous heavy-duty loads. Manufactured to genuine quality standards, it serves as a direct original-type replacement for the OE 20R-1266 unit.

This injector cross-references multiple part numbers — 20R1266, 212-3467, 2123467, 10R-0957, 10R0957, 10R-1273, and 10R1273 — making identification and sourcing straightforward for procurement teams. It is designed for CAT 3512B engines powering generator sets, marine propulsion systems, industrial power units, oilfield equipment, and mining machinery — anywhere the 3512B platform delivers dependable diesel power around the clock.

For distributors, fleet operators, and engine rebuilders, the 20R-1266 injector offers OE-level fit with genuine replacement quality, helping shorten installation time and reduce unplanned downtime. Whether you are stocking inventory for overhaul programs or sourcing a single unit, this fuel injector assembly is a cost-effective solution for keeping CAT 3512B-powered equipment at peak performance. Contact our team for bulk pricing, availability, and technical support.

Caterpillar original Replacement Fuel Injector 20R-1266 for Caterpillar Engines Cross Reference 20R-1278, 386-1769, 20R-1276 for C3500B, 3512B, 992G Wheel Loader, SR4 Generator original new injector

Caterpillar original Replacement Fuel Injector 20R-1266 for Caterpillar Engines Cross Reference 20R-1278, 386-1769, 20R-1276 for C3500B, 3512B, 992G Wheel Loader, SR4 Generator original new injector

Caterpillar original Replacement Fuel Injector 20R-1266 for Caterpillar Engines Cross Reference 20R-1278, 386-1769, 20R-1276 for C3500B, 3512B, 992G Wheel Loader, SR4 Generator original new injector detail 1

Caterpillar original Replacement Fuel Injector 20R-1266 for Caterpillar Engines Cross Reference 20R-1278, 386-1769, 20R-1276 for C3500B, 3512B, 992G Wheel Loader, SR4 Generator original new injector detail 2

Caterpillar original Replacement Fuel Injector 20R-1266 for Caterpillar Engines Cross Reference 20R-1278, 386-1769, 20R-1276 for C3500B, 3512B, 992G Wheel Loader, SR4 Generator original new injector detail 3

Caterpillar original Replacement Fuel Injector 20R-1266 for Caterpillar Engines Cross Reference 20R-1278, 386-1769, 20R-1276 for C3500B, 3512B, 992G Wheel Loader, SR4 Generator original new injector detail 4

Caterpillar original Replacement Fuel Injector 20R-1266 for Caterpillar Engines Cross Reference 20R-1278, 386-1769, 20R-1276 for C3500B, 3512B, 992G Wheel Loader, SR4 Generator original new injector detail 5

Caterpillar original Replacement Fuel Injector 20R-1266 for Caterpillar Engines Cross Reference 20R-1278, 386-1769, 20R-1276 for C3500B, 3512B, 992G Wheel Loader, SR4 Generator original new injector detail 6

Caterpillar original Replacement Fuel Injector 20R-1266 for Caterpillar Engines Cross Reference 20R-1278, 386-1769, 20R-1276 for C3500B, 3512B, 992G Wheel Loader, SR4 Generator original new injector detail 7

Caterpillar original Replacement Fuel Injector 20R-1266 for Caterpillar Engines Cross Reference 20R-1278, 386-1769, 20R-1276 for C3500B, 3512B, 992G Wheel Loader, SR4 Generator original new injector detail 8

Caterpillar original Replacement Fuel Injector 20R-1266 for Caterpillar Engines Cross Reference 20R-1278, 386-1769, 20R-1276 for C3500B, 3512B, 992G Wheel Loader, SR4 Generator original new injector detail 9

Caterpillar original Replacement Fuel Injector 20R-1266 for Caterpillar Engines Cross Reference 20R-1278, 386-1769, 20R-1276 for C3500B, 3512B, 992G Wheel Loader, SR4 Generator original new injector detail 10

Caterpillar original Replacement Fuel Injector 20R-1266 for Caterpillar Engines Cross Reference 20R-1278, 386-1769, 20R-1276 for C3500B, 3512B, 992G Wheel Loader, SR4 Generator original new injector detail 11

Caterpillar original Replacement Fuel Injector 20R-1266 for Caterpillar Engines Cross Reference 20R-1278, 386-1769, 20R-1276 for C3500B, 3512B, 992G Wheel Loader, SR4 Generator 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