281-1969 94 mm ID Air Filter Secondary Element
Standard Efficiency Secondary Engine Air Filter
Fitment data not listed — send us your machine model or serial number to confirm.
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. This secondary filter protects the engine when the primary filter is being changed or is damaged, playing a key 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. Because uptime and cost-effective maintenance are critical, Cat air filters are specifically designed to protect and optimize the performance of Cat equipment.
Genuine Cat primary and secondary filter elements work together to provide a cost-effective way to maintain engine integrity and extend equipment uptime on the job site.
Features
- Environmentally friendly
- Increases airflow and reduces plugging
- Provides critical backup filtration
Specifications
| Type | Secondary |
|---|---|
| Overall Depth | 456.4 mm (17.969 in) |
| Overall Width | 134.6 mm (5.299 in) |
| Overall Height | 134.6 mm (5.299 in) |
| Depth | 456.4 mm (17.969 in) |
| Shape | Round |
| Width | 134.6 mm (5.299 in) |
| Material | Polyurethane Plastic |
| Height | 134.6 mm (5.299 in) |
| Media Type | Standard |
Additional information
| Part Source | Genuine OEM |
|---|








