Baldwin PA30066 Engine Air Filter

Engine Air Filter for Caterpillar CT660

Baldwin PA30066 is an engine air filter for the Caterpillar CT660 Truck. It is built to replace OE number 3903433 and 390-3433, giving buyers a direct reference for the correct application.

Key Features

• Engine air filter for air intake filtration
• Replaces Caterpillar OE numbers 3903433 and 390-3433
• Fits Caterpillar CT660 Truck applications
• PA30066 part number for easy identification
• Dimensions: 7 23/32 in. height, 16 3/8 in. and 21 3/4 in. outside diameters

Detailed Description

This Baldwin PA30066 engine air filter is specified for Caterpillar CT660 Truck applications and cross-references the original Caterpillar 3903433 OE number. The filter dimensions include a 7 23/32-inch height, 7 5/32-inch inside diameter, 12 7/16-inch inside diameter, and outside diameters of 16 3/8 inches and 21 3/4 inches. Use PA30066 when you need a replacement air filter identified by the Baldwin part number PA30066 for Caterpillar CT660 service work.

What It Is Used For

• Replacing a clogged or restricted engine air filter
• Restoring proper intake airflow through the filtration element
• Addressing service needs tied to OE number 3903433
• Identifying the correct filter by Baldwin PA30066

Installation Notes and Tips

Verify the OE number and filter dimensions before installation. Confirm the Caterpillar CT660 application against the existing filter housing and service specifications. Match the Baldwin PA30066 part number to the vehicle record before ordering or installing.

Quality Assurance

Baldwin identifies this filter as a replacement for Caterpillar OE number 3903433, supporting accurate parts selection for the CT660 platform.