Caterpillar 577-1436 Standard Efficiency Primary Engine Air Filter

• Genuine OEM Engine Security — Designed to the exact technical specifications of Caterpillar heavy equipment to ensure peak performance and maximum airflow utilization. [1]
• Improved Contamination Control — Features a heavy-duty design that securely locks in trapped particulates even during active filter replacement cycles or severe machine vibration. [1]
• Optimized Inducted Airflow — Delivers high-volume clean air filtration that supports efficient engine combustion metrics and maintains total equipment horsepower. [1]
• Rugged Structure & Quick Servicing — Formulated with robust end seals and outer ribbing for easy component handles and a reliable, leak-free perimeter fitment. [1, 2]
• Eco-Friendly & Long Service Life — Provides cost-effective everyday operational longevity, reducing the total amount of service waste your heavy equipment fleet generates. [1]

• Wheel Loader Induction Maintenance — Serves as the primary combustion system air element for high-hour workhorses like the Caterpillar 980K, 980M, and 982 series.
• Off-Highway Haul Truck Upkeep — Deployed on rugged quarry haulers including the Cat 773G and 775G platforms to manage extreme trail dust.
• Industrial & Petroleum Support — Protects heavy internal engines and transmissions like the Cat C9.3B, C13, and C15 fluid configurations.
• Preventative Fleet Servicing — Slotted into routine severe-duty equipment schedules to maintain reliable air filtration before dangerous vacuum limits trigger restrictions. [1, 2, 3, 4]

This product was acquired by Freeman Liquidators from a sale of merchandise subject to a commercial insurance loss. Freeman Liquidators is a secondary seller of products, is not affiliated with or sponsored by the manufacturer of the products and is not a manufacturer authorized seller of the products. Sale of this product by Freeman Liquidators is not subject to the policies of the manufacturer. Any warranty offered by the manufacturer is not available to you as the purchaser.

All products are NEVER USED but external packaging will have damage. Some items may be placed into other packaging to ensure safe shipping. All items are opened for inspection prior to shipment to ensure the best quality of products. Freeman Liquidators guarantees your satisfaction. If you are not completely satisfied with a purchased product, within 30 days from the date of purchase, return the product in its packaging and Freeman Liquidators will fully refund your money.

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