346-6688 Secondary Air Filter Element
Standard Efficiency Secondary Engine Air Filter
Description
Choosing Genuine Cat® filters to protect your revenue-generating equipment is worth it.
Cat® secondary engine air filters are the last line of defense against dust, dirt and other contaminants that can damage the components of your revenue-generating machine. The secondary element protects the engine while the primary filter is being changed or if the primary filter is damaged, 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. Because uptime and cost-effective maintenance are critical, Cat® air filters are specifically designed to protect and optimize the power of Cat® equipment.
Genuine Cat® primary and secondary filter elements work together to cost-effectively maintain engine integrity and extend equipment uptime on the job site.
Attributes
Environmentally friendly
Increased airflow, reduced restriction
Provides a critical backup filtration function
Specifications
| Material | Thermoplastic Plastic |
|---|---|
| Media Type | Standard |
| Type | Secondary |
| Overall Height | 260.5 mm (10.256 in) |
| Overall Width | 131.2 mm (5.165 in) |
| Overall Depth | 38 mm (1.496 in) |
| Depth | 38 mm (1.496 in) |
| Height | 131.2 mm (5.165 in) |
| Width | 260.5 mm (10.256 in) |
| Shape | Non-Round |
Compatible Equipment
- Compactors: CW-34, CB10
- Dozers: D3K2 LGP, D5K2 XL
- Excavators: 416F2, 428F, 432, 434F2
- Wheel Loaders: 910








