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Caterpillar 4W-6691 Engine Air Filter


Introducing the Cat Standard Efficiency Engine Air Filter 4W-6691, your trusted companion for safeguarding the heart of your heavy machinery. Designed to meet the uncompromising standards of Caterpillar, this air filter is engineered to keep your equipment performing at its peak while ensuring the longevity of your valuable assets.

Key Attributes:

  1. Environmentally conscious
  2. Enhanced airflow with reduced resistance
  3. Vital role as a backup filtration system

Replacement price: 16.175 $

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Standard Efficiency Engine Air – Secondary

Pay for authentic Cat Filters to safeguard the machinery responsible for your income

Cat Secondary Engine Air Filters 4W-6691 serve as the ultimate safeguard against dust, dirt, and other potential contaminants that could harm the vital components of your income-producing equipment. Their pivotal role comes into play when protecting the engine during primary filter replacements or in the event of a primary filter breach, effectively preventing damage from contaminants.

Caterpillar 4W-6691 Engine Air Filter is Crafted from robust materials and manufactured to adhere to Caterpillar’s rigorous standards, these air filters consistently deliver the quality and reliability that Cat owners rely on. Given the paramount importance of equipment uptime and cost-effective maintenance, Cat Air Filters have been meticulously engineered to preserve and optimize the performance of your Cat machinery.

By working in tandem, genuine Cat Primary and Secondary Filter Elements present an economical means of upholding your engine’s integrity and enhancing the operational efficiency of your equipment at the worksite.

Key Features:

1. Superior Filtration: The Cat Standard Efficiency Engine Air Filter 4W-6691 is designed to trap and eliminate dust, dirt, and other airborne contaminants that can compromise your engine’s performance. With an efficient filtration process, your machinery’s vital components stay protected, ensuring optimal efficiency and longevity.

2. Engine Protection: When it comes to safeguarding your engine, this filter is your first line of defense. It prevents harmful particles from entering the engine, reducing wear and tear, and potentially costly repairs. This translates to extended engine life and improved reliability.

3. Caterpillar Quality: Caterpillar is synonymous with durability and performance, and this air filter is no exception. Crafted from high-quality materials and manufactured to Caterpillar’s stringent specifications, it delivers consistent quality and reliability that Cat owners can rely on.

4. Increased Uptime: Equipment uptime is crucial for your productivity and profitability. The Cat Standard Efficiency Engine Air Filter 4W-6691 is engineered to optimize your equipment’s power and performance, helping you achieve maximum uptime on the job site.

5. Easy Installation: Installing and replacing the filter is a breeze, thanks to its user-friendly design. Keep your equipment running smoothly with minimal downtime.

Specifications for Cat 4W-6691 Engine Air Filter:

  • Seal Type: Axial Seal

  • Primary vs Secondary: Secondary

  • Efficiency Rating: Standard Efficiency

  • Weight: 2 lbs


Backhoe Loader
416B 428B


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