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Caterpillar original 10R-7221 Diesel Fuel Injector for Caterpillar C7 C9 Engine, Replacement for OEM 263-8218, 10R-7224, 328-2578, Fits E324D 326D2 336d2 336D2L Excavator Parts original new injector
| Brand Name: | CATERPILLA |
| Model Number: | 10R-7221 |
| MOQ: | 1 |
| Price: | $299-$456 |
| Packaging Details: | Original Packing |
| Payment Terms: | T/T, Western Union |
Caterpillar 10R-7221 diesel fuel injector
,C7 C9 engine fuel injector
,E324D 336D2 excavator injector
Caterpillar original 10R-7221 Diesel Fuel Injector for Caterpillar C7 C9 Engine, Replacement for OEM 263-8218, 10R-7224, 328-2578, Fits E324D 326D2 336d2 336D2L Excavator Parts original new injector
Fuel Type | Diesel |
Condition | Original New |
Applicable Engine | CAT C9, CAT C9 ACERT, CAT C9.3, CAT C9.4, CAT C9 Marine Engine, CAT C9 Generator Engine, CAT C9 Industrial Engine |
Injector Type | Diesel Fuel Injector |
Quality Standard | Manufactured to OEM Specifications, OEM Calibration Standards |
Packaging | Not Specified |
Fuel System | Electronic Unit Injection (EUI) |
OE Number | 10R-7221 |
Brand | CAT (Caterpillar) |
Cross Number / Universal Number | 10R7221, 326-0675, 3260675 |
Vehicle / Equipment Application | CAT Excavators (330D, 336D, 345D, 349D, 365C, 374D); CAT Wheel Loaders (950H, 962H, 966H, 972H, 980H); CAT Motor Graders (140M, 160M, 12M, 14M, 16M); CAT C9 Generator Sets; Industrial Equipment |
Application Type | Construction, Mining, Power Generation, Marine, Agricultural, Industrial |
Engineered to meet the demands of heavy-duty diesel power, the Caterpillar 10R-7221 fuel injector delivers precise, reliable fuel metering for CAT C9 series engines, including C9, C9 ACERT, and C9.3 variants used in construction, mining, power generation, marine, agricultural, and industrial applications. Manufactured to OEM specifications with CNC-machined components and micron-level tolerance control, it is a proven replacement solution trusted across global aftermarket and OEM maintenance channels.
As a core component of the Caterpillar electronic unit injection system, the injector receives high-pressure fuel from the rail and responds to ECM signals with precisely timed needle-valve lift. Fuel is atomized into microscopic droplets through precision nozzle holes, optimizing combustion to raise power output and fuel economy while cutting NOx, particulate matter, unburned hydrocarbons, and carbon deposits. Heat-resistant materials, a corrosion-resistant coating, and wear-resistant internal components ensure durability and extended service life under severe operating conditions.
For fleet operators and maintenance professionals, the 10R-7221 offers measurable value: improved fuel efficiency, reduced exhaust smoke, stable engine performance, and lower maintenance costs. It fits a wide range of Caterpillar equipment, including 330D, 336D, and 345D excavators, 950H to 980H wheel loaders, 12M to 16M motor graders, and C9 generator sets. Backed by a 12-month warranty and a recommended service interval of 2,000–4,000 operating hours, it supports dependable, long-term engine operation.
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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
