Product Description

Up for sale is a genuine Caterpillar 577-1433 Engine Air Filter. This OEM primary air filter removes dust, dirt, and other airborne contaminants before they enter the engine, helping protect internal components and maintain proper airflow for efficient engine performance. Built with high-efficiency filter media and a radial seal design, it is engineered for reliable filtration and long service life in demanding construction, mining, and industrial applications. Please verify the part number before purchasing.

• Item is in new old stock condition, packaging shows signs of shelf wear. 

Features & Specifications

• Brand: Caterpillar (CAT)
• Part Number: 577-1433
• Part Type: Primary Engine Air Filter
• Filter Type: Standard Efficiency
• Seal Type: Radial Seal
• Shape: Non-Round
• Material: Polyurethane Plastic
• Depth: 19.06 in (484.2 mm)
• Height: 14.58 in (370.4 mm)
• Width: 7.48 in (190.0 mm)

Compatible with Caterpillar equipment including:

Track-Type Tractors

• D6T LGP
• D6T LGP PAT
• D6T XL
• D6T XL PAT
• D6T XW
• D6T XW PAT
• D7E
• D7E LGP

Wheel Loaders

• 950
• 950 GC
• 950GC
• 950K
• 950L
• 950M
• 950M Z
• 962
• 962K
• 962L
• 962M
• 962M Z

Pipelayer

• PL72

Industrial Engine

• C7.1

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