4N4997 Plunger & Barrel Fits Caterpillar SR4 3406 3408 3408B 3412
4N4997 Plunger & Barrel Fits Caterpillar SR4 3406 3408 3408B 3412
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One New Aftermarket Replacement Fuel Injection Pump Plunger & Barrel Fits Caterpillar (Fits CAT) Engines
This aftermarket replacement plunger and barrel assembly fits the fuel injection pump on Fits Caterpillar (Fits CAT) 3400-series and related industrial, machine, marine, and truck engines. The plunger and barrel assembly is a precision-fit component within the fuel injection pump responsible for metering and delivering fuel at high pressure to each cylinder for proper combustion and engine performance.
Compatible Models
Fits Caterpillar Engines: 3406, 3408, 3408A, 3408B, 3412
Fits Caterpillar Generators: SR4
Fits Caterpillar Excavators: 245
Fits Caterpillar Motor Scrapers / Earthmoving: 621B, 623B, 631D, 633D, 637D, 637D PP, 639D
Fits Caterpillar Off-Highway Trucks: 768C, 769C, 772B, 773B
Fits Caterpillar Large Mining Equipment: 992C
Fits Caterpillar Motor Graders: 16G
Other Fits Caterpillar Equipment: 27, 32, 447, 448
Replaces Part Number(s):
4N4997, 4N4997-A, 4N-4997, FSL90-0045
Aftermarket Interchange Numbers
CA4N4997, 6N1043 (fuel injection pump group reference)
New aftermarket replacement part - not remanufactured, not used.
