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Caterpillar original Replacement Fuel Injector 10R-1303 For Caterpillar Diesel Engines Compatible with 250-1302 Fits C3500B 3516B Engines and Wheel Loader SR4 SR4 Generator original new injector
| Brand Name: | CATERPILLA |
| Model Number: | 10R-1303 |
| MOQ: | 1 |
| Price: | $299-$515 |
| Packaging Details: | Original Packing |
| Payment Terms: | T/T, Western Union |
Caterpillar 10R-1303 fuel injector
,C3500B 3516B engine injector
,SR4 wheel loader injector
Caterpillar original Replacement Fuel Injector 10R-1303 For Caterpillar Diesel Engines Compatible with 250-1302 Fits C3500B 3516B Engines and Wheel Loader SR4 SR4 Generator original new injector
Fuel Type | Diesel |
Condition | New |
Applicable Engine | CAT 3512B (including 3512B HD, 3512B Marine, 3512B Industrial, 3512B Oilfield) |
Injector Type | Diesel Fuel Injector / Fuel Injection Nozzle Assembly |
Quality Standard | OEM Specification |
Packaging | N/A |
Fuel System | High-Pressure Diesel Fuel Injection System |
OE Number | 10R-1303 (10R1303) |
Brand | CAT (Caterpillar) |
Cross Number / Universal Number | 326-1642 / 3261642 |
Vehicle / Equipment Application | Generator Sets, Marine Propulsion Engines, Mining Equipment, Construction Machinery, Oilfield Equipment, Power Stations, Emergency Backup Systems, Industrial Compressors |
Application Type | Power Generation, Marine, Mining, Construction, Oil & Gas, Heavy Industry |
The Caterpillar 3512B Fuel Injector 10R-1303 (OE 10R1303) is an OEM-specification diesel fuel injection component engineered for CAT 3512B series engines operating in demanding industrial environments. As a critical part of the engine fuel system, it delivers precise fuel metering and optimized atomization under high-load conditions, directly influencing fuel efficiency, power output, emissions performance, starting characteristics, and overall engine reliability.
Manufactured from high-strength alloy steel with precision-machined internal components, the injector is built to withstand extreme fuel pressures, thermal cycling, vibration loads, and continuous-duty operation. Multi-hole nozzle technology produces uniform fuel droplets for efficient combustion, while calibrated fuel metering ensures stable performance across the operating range. Each unit undergoes rigorous testing for spray pattern consistency, fuel delivery accuracy, and leak prevention, supporting long service life in engines running thousands of hours annually.
The 10R-1303 is cross-referenced with replacement numbers 326-1642 and 3261642, simplifying sourcing for distributors, engine rebuilders, maintenance teams, and fleet operators. It is primarily associated with CAT 3512B engine platforms—including 3512B HD, Marine, Industrial, and Oilfield variants—and is widely applied in generator sets, marine propulsion engines, mining equipment, construction machinery, oilfield installations, power stations, emergency backup systems, and industrial compressors. A 12-month warranty and OEM-specification manufacturing provide added confidence for international B2B buyers.
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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
