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Caterpillar original Diesel Fuel Injector 0R-9944 Replacement for OEM 229-1631 Cross Reference 204-2067 Fits CAT 3508B 3516B 3406E 3512B Excavator with 245-8272 Part Number original new injector
| Brand Name: | CATERPILLA |
| Model Number: | 0R-9944 |
| MOQ: | 1 |
| Price: | $299-$515 |
| Packaging Details: | Original Packing |
| Payment Terms: | T/T, Western Union |
Caterpillar 0R-9944 diesel fuel injector
,OEM 229-1631 replacement injector
,CAT 3508B 3516B excavator injector
Caterpillar original Diesel Fuel Injector 0R-9944 Replacement for OEM 229-1631 Cross Reference 204-2067 Fits CAT 3508B 3516B 3406E 3512B Excavator with 245-8272 Part Number original new injector
Fuel Type | Diesel |
Condition | New (Caterpillar Original Part Equivalent) |
Applicable Engine | CAT 3512B (Diesel, 4-Stroke, V12, Industrial) |
Injector Type | Direct Injection |
Quality Standard | ISO9001, CE, Caterpillar Original Part Equivalent |
Packaging | Individual, anti-corrosion packaging |
Fuel System | High-Pressure Diesel Direct Injection |
OE Number | 0R-9944 (0R9944) |
Brand | CAT (Caterpillar) |
Cross Number / Universal Number | 238-7323 (2387323), 10R-7555 (10R7555) |
Vehicle / Equipment Application | Industrial generators, marine engines, construction machinery, mining trucks, drilling rigs |
Application Type | Power generation, marine, oil & gas, heavy machinery, mining, construction |
Stable fuel atomization under continuous heavy load is what separates reliable industrial engines from costly downtime, and the Caterpillar 3512B Fuel Injector 0R-9944 is engineered precisely for that demand. Designed for CAT 3512B V12, 4-stroke diesel engines, this direct injection injector combines high-strength alloy steel construction with a precision-engineered nozzle, delivering consistent combustion performance across power generation, marine, oil and gas, mining, and heavy construction applications.
Built to OEM specifications, the injector sustains operating pressures of 2000–2500 bar and delivers a flow rate of 300–350 ml/min at 2000 bar, with a 155° ± 5° spray angle that ensures uniform droplet distribution and efficient combustion. An anti-corrosion, wear-resistant coating extends service life, while reliable operation from -40°C to 120°C supports use in harsh environments. The 0R-9944 interchanges directly with replacement number 238-7323 and cross reference 10R-7555, simplifying procurement for distributors and fleet maintenance teams.
Installation follows OEM bolt-on procedures with torque settings of 35–45 Nm, and correct seating with proper O-ring sealing prevents pressure loss. Routine inspection every 500 operating hours, clean fuel filtration, and timely seal replacement help avoid common failures such as nozzle clogging, leakage, and uneven spray. Each unit weighs 1.2 kg, ships in individual anti-corrosion packaging, and is covered by a 12-month / 1000-operating-hour warranty, with supply available across North America, Europe, Asia, Australia, and the Middle East.
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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
