NewLine Radial Seal Air Filter Elements NL-RS3737 – Replaces RS3737, Caterpillar 131-8821
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 RS3737 and Caterpillar 131-8821. Premium filtration efficiency.
Technical Specifications
| Inside Diameter |
3.719 inch (94.5 mm) |
|---|---|
| Outside Diameter |
5.250 inch (133.4 mm) |
| Length |
12.719 inch (323.1 mm) |
| Fits Inside |
RS3736 |
| Cross Reference |
Caterpillar 131-8821 |
Item Information
The NewLine NL-RS3737 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: RS3737, Caterpillar 131-8821, Caterpillar Equipment, RS3736.
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.
