NewLine Axial Seal Air Filter Elements NL-PA1633 – Replaces PA1633, Caterpillar 8M3120

High-performance replacement Axial Seal Air Filter Elements for heavy-duty diesel and gas engines operating in dusty on-road and off-road environments.
Direct replacement for PA1633 and Caterpillar 8M3120. Premium filtration efficiency.

Technical Specifications

Inside Diameter1.625 inch (41.3 mm)
Outside Diameter4.250 inch (108.0 mm)
Length4.750 inch (120.7 mm)
Sealing & ComponentsAttached Gasket: [1] Attached
Cross ReferenceCaterpillar 8M3120

Item Information

The NewLine NL-PA1633 is engineered to meet or exceed OEM specifications for heavy-duty diesel and gas engines operating in dusty on-road and off-road environments. It provides superior protection for your equipment’s engine and hydraulic systems.

This filter serves as a direct, high-quality replacement for: PA1633, Caterpillar 8M3120, Caterpillar Equipment, Industrial, Marine, Starter Engines.

Key benefits:

  • Designed to maintain clean intake air in dusty on-road and off-road environments.
  • Low restriction media helps your engine breathe freely for optimal performance.
  • Supports longer service intervals when used with proper maintenance practices.

Note: All manufacturer names, symbols and part numbers are used for reference purposes only. The NewLine filter is an aftermarket equivalent and is not endorsed by the original equipment manufacturer.

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