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Company News About High-quality fuel injector 0R-8477 specially designed for c-aterpillar 3116 series engines, with OEM standard quality, precise fuel atomization and stable performance, effectively improving engine efficiency and reducing emissions. Suitable for a variety of c-aterpillar construction machinery and equipment, providing reliable power support for your equipment operation.

High-quality fuel injector 0R-8477 specially designed for c-aterpillar 3116 series engines, with OEM standard quality, precise fuel atomization and stable performance, effectively improving engine efficiency and reducing emissions. Suitable for a variety of c-aterpillar construction machinery and equipment, providing reliable power support for your equipment operation.

2026-04-02

Product Core Information

Item	Details
Product Name	Fuel Injector for c-aterpillar 3116 Series
Model Number	0R-8477 (Alternative Part Numbers: 0R8477, 127-8211, 1278211)
Applicable Engine	c-aterpillar 3116, 3114, 3126 Engines
Applicable Equipment	c-aterpillar Excavator E320B, E325B and other construction machinery equipped with 3116 series engines
Product Condition	Brand New, OEM Standard Replacement
Injector Type	Electromagnetic Common Rail Injector
Warranty Period	12 Months (Quality Assurance for Normal Use)
Delivery Time	2-3 Days (Express Freight Available)

Product Core Features

Feature c-ategory	Detailed Description	User Benefits
Precision Performance	Adopts advanced fuel atomization technology to achieve precise fuel delivery and uniform atomization, ensuring full combustion of fuel in the engine cylinder .	Improves engine power output, reduces fuel consumption, and lowers exhaust emissions, meeting environmental protection requirements.
Durable Quality	The injector body is made of high-strength alloy material, with hard coating treatment, which can resist excessive wear and dirty fuel erosion, effectively extending the service life .	Reduces the frequency of replacement and maintenance, saves equipment operation costs, and ensures long-term stable operation of the engine.
Perfect Compatibility	Strictly manufactured according to c-aterpillar OEM standards, fully matching the 3116 series engines, no need to modify the installation position, direct replacement .	Simplifies replacement process, saves maintenance time, avoids installation errors, and ensures the normal operation of the engine after replacement.
Stable Operation	Optimized internal structure design, strong anti-interference ability, stable fuel injection pressure, no oil leakage, jamming and other failures under harsh working conditions.	Reduces equipment downtime caused by injector failure, improves work efficiency, and is suitable for long-term heavy-load operation scenarios.
Easy Maintenance	The structure is simple and easy to disassemble, and daily inspection and maintenance can be completed without professional tools, reducing maintenance difficulty.	Low maintenance threshold, convenient for on-site maintenance, further reducing the overall operation cost of the equipment.

Technical Specific-ations

Specific-ation Item	Parameter
Fuel Injection Pressure	Standard OEM Pressure (Stable and Adjustable)
Atomization Effect	Uniform Atomization, Fine Oil Particles
Material	High-Strength Alloy + Hard Coating
Working Temperature Range	-40℃ ~ 120℃ (Adapt to Various Harsh Environments)
Installation Type	Direct Bolt-On (No Modific-ation Required)
Weight	Standard OEM Weight (Consistent with Original Parts)

Replacement & Maintenance Tips

Operation Type	Detailed Tips
Replacement Note	1. Before replacement, turn off the engine and cut off the fuel supply to avoid fuel leakage; 2. It is recommended to replace the entire set of fuel injectors to ensure the optimal performance of the engine ; 3. After installation, check for fuel leakage and start the engine to test the operation status.
Daily Maintenance	1. Regularly check the injector for oil leakage, blockage and other phenomena; 2. Use qualified fuel to avoid impurity accumulation affecting atomization effect; 3. Clean the injector regularly according to the equipment operation hours to extend its service life.
Fault Judgment	If the engine has insufficient power, increased fuel consumption, unstable idling or black smoke, it may be caused by injector failure, and it is recommended to check and replace the injector in time.

FAQ (Frequently Asked Questions)

Question	Answer
Is 0R-8477 compatible with c-aterpillar 3126 engine?	Yes, this injector is fully compatible with c-aterpillar 3114, 3116 and 3126 engines, and can be directly replaced without modific-ation .
What is the difference between this injector and the original c-aterpillar part?	It is manufactured according to OEM standards, with the same material, structure and performance as the original part, and the quality is guaranteed, while the price is more cost-effective.
How long is the warranty period? What does the warranty cover?	The warranty period is 12 months . It covers quality problems such as oil leakage, jamming and insufficient atomization caused by manufacturing defects under normal use. Man-made damage and improper use are not covered.
Can I get a discount for bulk purchase?	Yes, we provide preferential policies for bulk purchases. Please contact our customer service for specific discount information and minimum order quantity .
How long does it take to deliver?	We support express freight, and the delivery time is 2-3 days after placing the order . For remote areas, the delivery time may be appropriately extended.

Product Advantage

Our Product	Ordinary Replacement Injector
OEM standard, perfect compatibility with 3116 series engines	Poor compatibility, easy to have installation problems and affect engine operation
Hard coating treatment, wear-resistant and corrosion-resistant, long service life	No special treatment, easy to wear and fail, short service life
Precise atomization, low fuel consumption and low emissions	Poor atomization effect, high fuel consumption and serious emissions
12-month quality warranty, reliable after-sales service	Short warranty period or no warranty, difficult after-sales guarantee
Stable performance, suitable for heavy-load long-term operation	Unstable performance, easy to fail under heavy-load conditions

We are committed to providing high-quality replacement parts for c-aterpillar equipment. The 0R-8477 fuel injector has passed strict quality inspection before leaving the factory, ensuring that it can meet the operation needs of your equipment. If you have any questions about the product, please contact us at any time, and we will provide you with professional answers and services.

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Product Core Information

Product Core Features

Technical Specific-ations

Replacement & Maintenance Tips

FAQ (Frequently Asked Questions)

Product Advantage

News

Cases

Cummins Diesel Injector

BOSCH Diesel Injector

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Caterpillar Fuel Injector

VOLVO Diesel Injector

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