NewLine Radial Seal Air Filter Elements NL-RS3701 – Replaces RS3701, Caterpillar 106-3973

High-performance replacement Radial Seal Air Filter Elements for modern on-highway and off-highway engines requiring reliable radial-seal intake filtration.
Direct replacement for RS3701 and Caterpillar 106-3973. Premium filtration efficiency.

Technical Specifications

Inside Diameter

6.906 inch (175.4 mm)

Outside Diameter

9.094 inch (231.0 mm)

Length

17.844 inch (453.2 mm)

Fits Inside

RS3700

,

RS3700XP

Cross Reference

Caterpillar 106-3973

Item Information

The NewLine NL-RS3701 is engineered to meet or exceed OEM specifications for modern on-highway and off-highway engines requiring reliable radial-seal intake filtration. It provides superior protection for your equipment’s engine and hydraulic systems.

This filter serves as a direct, high-quality replacement for: RS3701, Caterpillar 106-3973, Caterpillar Equipment, RS3700, RS3700XP.

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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