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Caterpillar original 321-3600 Fuel Injector Replacement for OEM, C6.6 C6.4 C4.4 1106D-E66TA Engine, Tractor Loader Dump Application, Cross Reference 320-0690 10R-7938 original new injector
| Brand Name: | CATERPILLA |
| Model Number: | 321-3600 |
| MOQ: | 1 |
| Price: | $75-$168 |
| Packaging Details: | Original Packing |
| Payment Terms: | T/T, Western Union |
Caterpillar 321-3600 fuel injector
,C6.6 C4.4 engine injector replacement
,OEM diesel injector tractor loader
Caterpillar original 321-3600 Fuel Injector Replacement for OEM, C6.6 C6.4 C4.4 1106D-E66TA Engine, Tractor Loader Dump Application, Cross Reference 320-0690 10R-7938 original new injector
Fuel Type | Diesel |
Condition | Original / OEM |
Applicable Engine | Caterpillar CAT C6.4, C6.6 |
Injector Type | Common Rail Diesel Fuel Injector |
Quality Standard | OEM Original |
Packaging | — |
Fuel System | Common Rail |
OE Number | 321-3600 / 3213600 |
Brand | CAT (Caterpillar) |
Cross Number / Universal Number | 3213600, 10R-7938, 10R7938, 2645A753 (Perkins), 320-3800, 3203800 |
Vehicle / Equipment Application | CAT 312D / 320D / 323D Excavators, 924H / 928HZ Wheel Loaders, 953D Track Loader, D6K Dozer, Industrial Generator Sets |
Application Type | Construction machinery, mining equipment, industrial power generation |
Engineered for Caterpillar C6-series diesel platforms, this original common rail fuel injector (OE No. 321-3600 / 3213600) provides a direct-fit replacement solution for CAT C6.4 and C6.6 engines. The unit cross-references multiple part numbers—10R-7938, 10R7938, Perkins 2645A753, 320-3800, and 3203800—and is compatible with a broad range of Caterpillar machines, including 312D, 320D, and 323D excavators, 924H and 928HZ wheel loaders, the 953D track loader, D6K dozer, and industrial generator sets.
Built on proven common rail technology, the injector delivers precisely metered fuel at high injection pressure, producing extremely fine fuel atomization for cleaner and more complete combustion. This helps restore engine power, improve fuel economy, stabilize idle and cold-start behavior, and reduce exhaust emissions. Manufactured to OEM specifications for spray pattern, flow rate, and pressure response, it installs directly into the original fuel system without modification, ensuring consistent performance across demanding duty cycles.
Supplied in original condition, the injector is built to withstand the vibration, heat, and continuous heavy loads typical of construction, mining, and power-generation environments, offering a dependable and cost-effective option for engine overhaul and fuel system repair. For distributors, repair workshops, and fleet operators maintaining CAT C6.4/C6.6-powered equipment, it delivers straightforward cross-number identification, reliable fitment, and long service life—helping minimize unplanned downtime and reduce total maintenance costs across the machine fleet.
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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
