Caterpillar original Diesel Parts Fuel Injector 127-8225 Replacement for OEM Excavator E320B E322B E325B 3114 3116 C3116 Mechanical Engine Parts original new injector
Product Details
Caterpillar Diesel Fuel Injector 127-8225
,OEM Excavator E320B Fuel Injector
,Mechanical Engine Parts Fuel Injector
Caterpillar original Diesel Parts Fuel Injector 127-8225 Replacement for OEM Excavator E320B E322B E325B 3114 3116 C3116 Mechanical Engine Parts original new injector
Fuel Type | Diesel (compatible with low-sulfur, low-lubricity fuels) |
Condition | New original replacement |
Applicable Engine | Caterpillar CAT 3116 (also listed for CAT 3114 and CAT 3126 depending on engine arrangement, fuel system configuration, calibration, and serial number range) |
Injector Type | Injector GP-Fuel, direct replacement |
Quality Standard | OE-equivalent specification, rigorous factory testing, coated plungers for wear resistance |
Packaging | Sealed and dry storage, protective packaging to prevent impact damage |
Fuel System | Caterpillar diesel direct injection fuel system |
OE Number | 127-8225 |
Brand | CAT |
Cross Number / Universal Number | 127-8225, 1278225, 0R-8469, 0R8469, CA1278225, CA0R8469, OR8469, OR4376, 0R4376, 08469, PRO1278225, 100-6251, 1006251, 107-4091, 1074091 |
Vehicle / Equipment Application | Medium-duty trucks, construction machinery, excavators, wheel loaders, generator sets, marine auxiliary engines, industrial power units, CAT 3116 engine rebuild programs, fleet maintenance operations |
Application Type | Truck repair, construction machinery service, mining equipment repair, generator maintenance, industrial engine overhaul, aftermarket parts distribution, global export channels (North America, South America, Europe, Middle East, Africa, Southeast Asia, Australia) |
The Caterpillar CAT 3116 Fuel Injector 127-8225 is engineered as a direct replacement for CAT 3116 diesel engines, delivering precision fuel delivery and stable atomization across medium-duty truck, construction, marine, and industrial power unit applications. Manufactured to original equipment specification with coated plungers for wear resistance, the injector withstands the demands of low-sulfur and low-lubricity diesel fuels, supporting improved engine performance and reduced smoke potential in daily fleet and overhaul operations.
Designed for the Caterpillar 3116 engine family and also listed for CAT 3114 and CAT 3126 configurations, this heavy-duty injector assembly offers reliable global aftermarket availability for engine rebuild programs and routine maintenance. Compatibility should be confirmed by engine serial number, arrangement number, and existing injector part number prior to installation to ensure correct fitment and calibration across varied equipment arrangements.
Routine service practices including clean diesel fuel usage, regular fuel filter replacement, water separator draining, and periodic injector inspection help maintain injector life and fuel system integrity. When symptoms such as hard starting, rough idle, power loss, black or white smoke, high fuel consumption, or diesel knock appear, the 127-8225 injector provides a proven replacement solution backed by rigorous factory testing for dependable long-term operation.
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