Caterpillar 131-8903 1318903 Engine Air Filter

This product has been replaced by Caterpillar 110-6331 1106331 Engine Air Filter

Standard Efficiency Engine Air Filter - Secondary

It pays to choose genuine Cat Filters to protect the iron that generates your income.

Cat Secondary Engine Air Filters are your last line of defense against dust, dirt and other contaminants that may damage the components of your income-producing machinery. Tasked with protecting the engine while the primary filter is being changed or in the event of a breach in the main filter, this secondary unit plays a critical role in preventing damage due to contaminants.

Constructed of durable materials and manufactured to meet Caterpillar’s stringent specifications, these air filters deliver the consistent quality and reliability that Cat owners count on. Because uptime and cost-effective maintenance are critical, Cat Air Filters have been specifically designed to protect and optimize the power of your Cat iron.
Working together, genuine Cat Primary and Secondary Filter Elements provide a cost-effective method for maintaining your engine’s integrity and increasing your equipment’s uptime on the jobsite.

Attributes:

• Environmentally friendly
• Increased airflow with less restriction
• Serves the critical role of back-up filtration

Specifications for Cat 1318903 Engine Air Filter:

Efficiency Rating: Standard Efficiency
Primary vs Secondary: Secondary
Seal Type: Radial Seal


COMPATIBLE MODELS

Excavator
311B 311C 311D LRR 312B 312B L 312C 312C L 312D 312D L 312D2 312D2 GC 312D2 L 313D 313D2 313D2 GC 313D2 LGP 313D2-GC 314C 314D CR 314D LCR

CROSS REFERENCE:

MANN CF990

* All fitment filter part numbers are based on your engine serial number.
* Please confirm with our team if you are unsure this filter will fit your engine.