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Caterpillar original Diesel Engine Fuel Injector 1OR-2977 10R-2977 Replacement for OEM 249-0708 for Caterpillar C13 with Cross Reference 332-1419 original new injector
| Brand Name: | CATERPILLA |
| Model Number: | 1OR-2977 |
| MOQ: | 1 |
| Price: | $299-$448 |
| Packaging Details: | Original Packing |
| Payment Terms: | T/T, Western Union |
Caterpillar C13 diesel fuel injector
,OEM 249-0708 replacement injector
,10R-2977 original new injector
Caterpillar original Diesel Engine Fuel Injector 1OR-2977 10R-2977 Replacement for OEM 249-0708 for Caterpillar C13 with Cross Reference 332-1419 original new injector
Fuel Type | Diesel |
Condition | Original New |
Applicable Engine | Caterpillar C13 12.5L diesel engine; also commonly listed for Caterpillar C11 diesel engines (inline six-cylinder platform) |
Injector Type | Electronically controlled diesel fuel injector (HEUI / EUI type) |
Quality Standard | Original type / OEM replacement |
Packaging | Not specified |
Fuel System | Diesel fuel injection system |
OE Number | 10R-2977 (also searched as 1OR-2977 / 1OR2977 / 10R2977) |
Brand | CAT (Caterpillar) |
Cross Number / Universal Number | 249-0708, 2490708, EX632977, 632977, 10R2977R |
Vehicle / Equipment Application | Heavy-duty trucks, construction machinery, generator sets, industrial power units, mining equipment, marine auxiliary engines, agricultural and forestry equipment, off-highway machines |
Application Type | Heavy-duty diesel engine spare part — replacement fuel injector assembly |
The Caterpillar C13 Series Diesel Fuel Injector 10R-2977 — also searched as 1OR-2977, 1OR2977, and 10R2977 — is a heavy-duty injector designed for Caterpillar CAT C13 and C11 diesel engines, in particular the C13 12.5L inline six-cylinder platform. It serves heavy-duty trucks, construction machinery, generator sets, industrial power units, mining equipment, marine auxiliary engines, and other off-highway machines.
As a core part of the diesel fuel injection system, the injector receives pressurized fuel and delivers a controlled quantity into the combustion chamber at the correct timing. In electronically controlled Caterpillar engines, the engine control module determines injection timing and duration from operating data such as engine speed, load, boost pressure, coolant temperature, oil pressure, and throttle demand. This control strategy supports accurate fuel metering, stable atomization, consistent combustion, and dependable engine performance under high-load diesel operating conditions.
Widely published cross references include 249-0708, 2490708, EX632977, 632977, and 10R2977R. Buyers should note that 1OR-2977 is a common online variation of 10R-2977, because the letter O and the number 0 are easily confused; 10R-2977 is shown as the primary catalog number. A complete C13 or C11 inline six-cylinder engine normally requires six injectors, and the same equipment model may use different engine ratings, emission configurations, or injector calibrations. Compatibility should therefore be confirmed by engine serial number, engine arrangement number, equipment model, and the old injector label before ordering.
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Contact Detail:
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