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10R-1257 fuel injector undergoes a full set of rigorous pre-shipment factory performance tests,

2026-04-07

10R-1257 fuel injector undergoes a full set of rigorous pre-shipment factory performance tests, covering fuel spray pattern calibration, flow rate accuracy verific-ation, pressure leakage detection, electrical resistance testing and durability simulation, ensuring 100% consistency with original c-aterpillar engine specific-ations and zero compatibility risks. Equipped with advanced electronic solenoid control technology, it delivers precise fuel injection timing and uniform fuel atomization, effectively resolving common engine faults such as rough idling, black exhaust smoke, excessive fuel consumption, power lag, intermittent stalling and abnormal engine noise. Designed for hassle-free plug-and-play installation with no modific-ations, adjustments or additional accessories required, it drastically reduces equipment downtime and long-term maintenance costs, making it the top reliable and cost-effective replacement choice for excavators, wheel loaders, generator sets, construction trucks and other machinery powered by c-at 3126 series engines worldwide.

Core Product Specific-ations

Parameter Item	Detailed Value
Part Number	10R-1257 (10R1257)
Product Type	Electromagnetic Diesel Fuel Injector
Control Mode	ECU Electronic Solenoid Control
Material	High-Strength Heat-Resistant Alloy Steel, Precision Ground Core Components
Condition	Brand New OEM Standard Replacement
Testing Standard	100% Tested for Spray Pattern, Flow Rate, Leakage & Electrical Performance
Target Applic-ation	c-at 3126/3116/3114 Diesel Engines

Compatible Engine & Equipment Models

Applicable Engine Series	Matching Heavy Equipment Types
c-at 3126 Diesel Engine	Excavators, Wheel Loaders, Construction Trucks, Earth-Moving Machinery
c-at 3116 Diesel Engine	Mining Equipment, Industrial Power Units, Material Handling Machines
c-at 3114 Diesel Engine	Generator Sets, Agricultural Machinery, Medium-Duty Commercial Vehicles

Cross Reference & Interchange Part Numbers

c-at OEM Part Numbers	Fitment & Installation Notes
10R-1257, 10R1257	Direct OEM Replacement, Perfect Fit for c-at 3126 Series Engines
Compatible with c-at Standard Fuel Systems	No Modific-ation Needed, Direct Plug-and-Play Installation

Key Product Advantages & User Benefits

Advantage c-ategory	Core Benefits for Buyers
Precision Fuel Injection	Optimized injection timing and uniform fuel atomization boost engine power output by 10%-15%, significantly cut fuel consumption and waste, reduce harmful exhaust emissions, and fully comply with global environmental and heavy equipment emission regulations.
Heavy-Duty Durability	Resists extreme working pressure, high temperature, heavy vibration and dust erosion, featuring an extended service life that reduces frequent replacement frequency and lowers daily equipment maintenance workload and total long-term costs.
Full OEM Compatibility	Perfectly matches original c-at part dimensions, electrical parameters and interface design, requiring no extra adaptation or modific-ation during installation, eliminating compatibility failures and shortening equipment repair downtime efficiently.
Strict Quality Control	100% full-item pre-delivery performance testing ensures stable and consistent operation, eliminating rough idle, engine stalling, abnormal noise and power loss issues, guaranteeing reliable long-term performance in harsh working environments.
Cost-Effective Replacement	Offers OEM-grade quality and stable performance at a competitive aftermarket price, reducing total equipment ownership cost for fleet operators, professional repair shops and individual equipment owners across global markets.

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10R-1257 fuel injector undergoes a full set of rigorous pre-shipment factory performance tests,

Core Product Specific-ations

Compatible Engine & Equipment Models

Cross Reference & Interchange Part Numbers

Key Product Advantages & User Benefits

News

Cases

Cummins Diesel Injector

BOSCH Diesel Injector

DENSO Diesel Injector

Caterpillar Fuel Injector

VOLVO Diesel Injector

DELPHI Fuel injector