3349982 Piston As for Caterpillar Equipment

The 3349982 Piston As is a piston assembly listed for Caterpillar engines and Caterpillar excavators. It is used with Caterpillar C-series engines and the 324D, 324D L, 325D L, 328D LCR, and 329D excavator models. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The component is identified as a nine-piston assembly. The available application data names Caterpillar as the equipment manufacturer and includes both engine-machine applications and excavator applications. Model designations shown with and without a hyphen are retained where they appear in the equipment data.

Fitment

• Caterpillar C-13 engine
• Caterpillar C13 engine
• Caterpillar C-9 engine
• Caterpillar C9 engine
• Caterpillar C7 engine
• Caterpillar 324D excavator
• Caterpillar 324D L excavator
• Caterpillar 325D L excavator
• Caterpillar 328D LCR excavator
• Caterpillar 329D excavator

The listed fitment covers Caterpillar engine-machine applications and Caterpillar excavator applications. Compatibility should be checked against the machine model and the part number installed on the specific unit before assembly, particularly where the same engine series is used in more than one equipment configuration.

Cross-reference numbers

The numbers 3349982 and 334-9982 identify the same listed part number in different number formats. No additional supplier reference numbers are provided in the available product data.

Specifications

The dimensional data specifies a sleeve outer diameter of 33.5 mm and a piston diameter of 28 mm. The listed length, width, and depth are each 10.1 cm, while the recorded part weight is 6.5 lb. The product data does not specify thread dimensions, material, sealing elements, or additional components supplied with the assembly.