131-8903 Engine Air Filter
Standard Efficiency Secondary Engine Air Filter
Description
Choosing Genuine Cat® filters to protect your revenue-generating equipment is always worth it. Cat secondary engine air filters are the last line of defense against dust, dirt and other contaminants that can damage components of your revenue-generating machine. The secondary filter protects the engine while the primary filter is being changed or if the primary filter fails, playing a critical role in preventing contaminant damage. Made from durable materials that meet Caterpillar's strict specifications, these air filters deliver the consistent quality and reliability that Cat users trust. Uptime and cost-effective maintenance are critical, so Cat air filters are purpose-built to protect and optimize the performance of Cat equipment. Genuine Cat primary and secondary filter elements work together to cost-effectively maintain engine integrity and increase equipment uptime on the job site. Features: • Environmentally friendly • Increased airflow, reduced restriction • Provides critical backup filtration
Specifications
| Material | Carbon Steel |
|---|---|
| Seal Type | Radial Seal |
| Primary and Secondary | Secondary |
| Width | 94.6 mm (3.724 in) |
| Shape | Round |
| Depth | 345.5 mm (13.602 in) |
| Media Type | Standard |
| Height | 94.6 mm (3.724 in) |
| Type | Secondary |
| Overall Depth | 345.5 mm (13.602 in) |
| Overall Width | 94.6 mm (3.724 in) |
| Overall Height | 94.6 mm (3.724 in) |
| Efficiency Rating | Standard Efficiency |
Compatible Equipment
- Excavators: 316 GC, 313D2, 312D, 312D2 L, 311B, 314C, 314D CR, 311D LRR, 312D2, 312D2 GC, 313D, 312C, 314D LCR, 313D2-GC, 312D L, 313D2 GC, 312C L, 311C
- Skid Steer Loaders: 313D2 LGP





