3N4859 Impeller for Sea Water Pump

The 3N4859 is an impeller for the sea water pump used in Caterpillar equipment. It is a rotating pump component designed to circulate water through the cooling system of compatible engines and engine-generator installations. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is listed for Caterpillar generator systems, SR4 generator applications, industrial engines, marine products, and engine-generator sets equipped with the compatible engine or generator configurations specified below. The impeller is identified by the SKU 3N4859 and the corresponding part number format 3N-4859.

Fitment

• Equipment brand: Caterpillar
• Equipment category: Generator
• Generator series: SR4
• Equipment category: Industrial engine
• Industrial engine models: 3406, 3406B, 3406C, G3406
• Equipment category: Marine products
• Marine engine models: 3406, 3406B, D343, D353C, D353D, D353E
• Equipment category: Engine-generator set
• Engine-generator models: SR4, 3406, 3406B, 3406C

Fitment is determined by the installed engine, generator, and sea water pump configuration. The model information above is taken from the listed application data for part number 3N-4859.

Cross-reference numbers

3N4859 and 3N-4859 refer to the same listed impeller identification, with the hyphenated form used in equipment parts references.

Specifications

The dimensions provided are 4.6 in in length, 4.2 in in height, 12.7 cm in width, 12.7 cm in depth, and 1.55 lb in weight. The available data does not specify the impeller material, shaft dimensions, keyway details, thread type, or additional components included with the part.