NewLine Axial Seal Air Filter Elements NL-PA1818 – Replaces PA1818, Caterpillar 4S8337

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 PA1818 and Caterpillar 4S8337. Premium filtration efficiency.

Technical Specifications

Inside Diameter0.938 inch (23.8 mm)
Outside Diameter12.750 inch (323.8 mm)
Length14.500 inch (368.3 mm)
For Use WithPA1819, PA2738
Sealing & ComponentsAttached Gasket: [2] Attached
Cross ReferenceCaterpillar 4S8337

Item Information

The NewLine NL-PA1818 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: PA1818, Caterpillar 4S8337, Caterpillar Equipment, PA1819, PA2738.

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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