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Caterpillar original 20R-9433 Mechanical Fuel Injector for Excavator, High Pressure Diesel Engine Injector for C9 330D 340D, Replacement for OEM 235-9649, 553-2592, with 328-2577 original new injector
| Brand Name: | CATERPILLA |
| Model Number: | 20R-9433 |
| MOQ: | 1 |
| Price: | $299-$456 |
| Packaging Details: | Original Packing |
| Payment Terms: | T/T, Western Union |
Caterpillar 20R-9433 mechanical fuel injector
,C9 330D 340D diesel engine injector
,OEM 235-9649 553-2592 replacement injector
Caterpillar original 20R-9433 Mechanical Fuel Injector for Excavator, High Pressure Diesel Engine Injector for C9 330D 340D, Replacement for OEM 235-9649, 553-2592, with 328-2577 original new injector
Fuel Type | Diesel |
Condition | Original New |
Applicable Engine | Caterpillar CAT C9 / C9 ACERT diesel engine (8.8 L, 6-cylinder, 112 mm bore x 149 mm stroke) |
Injector Type | Mechanical diesel fuel injector assembly (MEUI / EUI type) |
Quality Standard | OEM reference standard |
Packaging | Available on request |
Fuel System | High-pressure diesel fuel injection system |
OE Number | 20R-9433 (20R9433) |
Brand | CAT (Caterpillar) |
Cross Number / Universal Number | 387-9433 / 10R-7222 / 557-7633 / 20R-8064 / 20R-8968 / 328-2574 / 293-4072 / 267-3360 / 254-4339 |
Vehicle / Equipment Application | CAT 330D, 330D L, 330D LN, 336D, 336D L, 340D excavators; C9-powered construction machinery, mining equipment, industrial power units |
Application Type | Heavy-duty off-highway equipment (excavator, construction, mining, industrial power applications) |
Built for severe-duty fuel delivery, the Caterpillar CAT C9 / C9 ACERT diesel fuel injector 20R-9433 is a heavy-duty replacement injector assembly engineered for CAT C9 diesel engine fuel systems in excavators, construction machinery, mining equipment, and industrial power units. Designed to meter fuel accurately and atomize diesel precisely into the combustion chamber, this injector helps stabilize engine combustion, reduce exhaust smoke, restore power response, and support reliable starting and smooth idle performance in demanding off-highway operation.
This injector family covers a broad cross-reference database, including 387-9433, 10R-7222, 557-7633, 20R-8064, 20R-8968, 328-2574, 293-4072, 267-3360, and 254-4339. It is mainly associated with the Caterpillar C9 ACERT platform—an 8.8-liter, 6-cylinder diesel engine with 112 mm bore and 149 mm stroke, rated at 205–280 bkW (275–375 bhp) at 1800–2200 rpm—and is commonly searched for CAT 330D, 330D L, 330D LN, 336D, 336D L, and 340D excavator applications.
Important for buyers: public data for 20R-9433 is inconsistent across aftermarket listings, so this number should be treated as a market reference number. Before shipment, fitment should be verified against the old injector number, engine serial number, equipment model, and ECM trim code, with Caterpillar SIS or dealer confirmation recommended. This verification-first approach ensures the injector matches your engine's programming and emissions configuration, reducing downtime and protecting your equipment investment. Contact our team with your engine details for fast, accurate sourcing support.
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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
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