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Caterpillar 577-1435 Primary Standard Efficiency Engine Air Filter


Sale price $107.39 Regular price $153.42
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Description

The Caterpillar 577-1435 is a genuine OEM primary standard efficiency engine air filter element engineered specifically to protect high-performing Caterpillar machinery from internal contamination. Airborne dust and dirt are an engine’s primary enemy; this standard-duty filter provides reliable protection to maximize power generation and eliminate premature component wear. Designed structurally to match precise equipment clearances, it facilitates smooth, uninhibited airflow while keeping micro-particles trapped. Consistently choosing genuine Cat filtration ensures maximum service life, optimal fuel efficiency, and protection for the iron that drives your business. [1, 2]
⭐ Key Features & Benefits
  • Quick Serviceability: Built with a user-friendly profile that allows fast, tool-free replacements during scheduled fleet maintenance. [1]
  • Superior Contamination Control: Specially engineered to firmly retain captured particulates even during high vibration or filter removal. [1]


  • Airtight Polyurethane Seals: Features a durable polyurethane plastic molding that maintains zero-bypass compression against the intake housing. [1]
  • Optimized Pleat Design: Maximizes total media surface area to deliver consistent, long-term filtration under normal-duty operational requirements. [1]
  • Eco-Friendly Design: Built using sustainable materials that minimize waste during lifecycle replacement without sacrificing system integrity. [1]
🔧 Uses / Applications
  • Motor Graders: Direct primary air cleaner for popular heavy earthmoving models such as the Cat 120M 2, 12M 2, 12M 3, 140M 2, 140M 3, and 160M 3.
  • All-Wheel Drive (AWD) Fleet Equipment: Specifically optimized for 12M 3 AWD, 140M 3 AWD, and 160M 3 AWD construction machines.
  • Heavy Duty Industrial Engines: Protects rugged diesel power plants including the high-torque Caterpillar C9 series engines.
  • Normal-Duty Operations: Fits workshops, equipment maintenance yards, and construction sites looking for exceptional everyday filtration value. [1, 2, 3]
📊 Technical Specifications
Specification Detail
Part Type Primary Standard Efficiency Engine Air Filter
Position Internal Main Intake Housing
Part Number 577-1435
Material Polyurethane Plastic / Standard Media
Shape Non-round (Panel / Angular Profile)
Overall Height 14.58 inches (370.4 mm)
Overall Width 7.48 inches (190.0 mm)
Overall Length 23.20 inches (589.4 mm)
Condition Brand New
Installation Direct‑Fit Replacement
🔄 Cross‑Reference / Interchange Table
Manufacturer Equivalent Part Number
Caterpillar (OEM) 577-1435, 331-8108, 386-2099
Donaldson Donaldson P635779 (Primary) + P638607 (Safety)
HiFi Filter SA 16776 / SA 16777
Prinoth 121504257 / 121504258
Uniflux XA3257 / XA3258
Wismet WAI106351 / WAI106352
Additional Notes Always replace the inner safety element alongside this primary filter for comprehensive system protection.

Disclosure Policy

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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Caterpillar 577-1435 Primary Standard Efficiency Engine Air Filter

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