1078366 Piston Std for Caterpillar

The 1078366 piston is a standard-size engine piston used in Caterpillar equipment. It is intended for Caterpillar 3046, 933, 933C, 3, D3C III, and D4C III applications, including Caterpillar engine-machine units, track-type loaders, and track-type tractors.

This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts). The part is supplied as a piston identified by the Caterpillar equipment application and the 1078366 stock number.

The piston is listed for use in heavy equipment powered by or assembled with the Caterpillar 3046 application. Based on the supplied fitment data, it is used across the Caterpillar 933 and 933C track-type loader applications, as well as Caterpillar 3, D3C III, and D4C III track-type tractor applications. Before installation, the equipment model and the required piston size should be checked against the engine service data.

Fitment

• Caterpillar 3046
• Caterpillar 933
• Caterpillar 933C
• Caterpillar 3
• Caterpillar D3C III
• Caterpillar D4C III

The listed applications cover Caterpillar engine-machine equipment, Caterpillar track-type loaders, and Caterpillar track-type tractors. The equipment brand named above identifies the machines for which the piston application is specified; it does not identify the manufacturer of this aftermarket part.

Cross-reference numbers

• 1078366
• 107-8366

Numbers 1078366 and 107-8366 represent the same listed piston identification, with the second format using a separator. The part name also identifies this component as a Caterpillar D4C piston in standard size.

Specifications

The supplied dimensional data identifies the overall listed length, width, and depth of the part. The provided information does not specify piston material, bore diameter, pin diameter, ring configuration, compression height, skirt clearance, or included components. These parameters are therefore not stated for this item.