NewLine Radial Seal Air Filter Elements NL-RS3988 – Replaces RS3988, Case 133720A1

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 RS3988 and Case 133720A1. Premium filtration efficiency.

Technical Specifications

Inside Diameter

3.156 inch (80.2 mm)

Outside Diameter

5.031 inch (127.8 mm)

Length

12.312 inch (312.7 mm)

For Use With

RS3703

Cross Reference

Case 133720A1; Caterpillar 134-8726; Hitachi 4290940; John Deere AM129028

Item Information

The NewLine NL-RS3988 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: RS3988, Case 133720A1, Caterpillar 134-8726, Hitachi 4290940, John Deere AM129028, Case, Caterpillar, Hitachi, Kubota, Mustang Equipment, RS3703.

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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