FREIGHTLINER AIR FILTER 03-42776-010 91559 TR504-EF 997879 – Heavy Duty Engine Air Filter Replacement
Heavy-duty engine air filter compatible with Freightliner Cascadia 2018–2024 models. Cross reference 03-42776-010, 91559, TR504-EF, 997879. OEM grade filtration for heavy truck engine protection and aftermarket replacement.
描述
This premium heavy-duty engine air filter is a direct OEM replacement, perfectly matching cross reference part numbers 03-42776-010, 91559, TR504-EF, 997879. Manufactured strictly following OEM dimensional standards and performance requirements, it enables plug-and-play installation without any modification.
Product Core Parameters
- Filter Type: Heavy duty radial seal engine air filter
- Filter Media: High-density premium cellulose filter paper
- Overall Length: 24.5 inch standard size
- Filtration Efficiency: High capture rate for fine dust, sand and airborne debris
- Structural Feature: Reinforced end cap + tight radial sealing design
- Airflow Performance: Optimized intake airflow to maintain engine power
- Dust Holding Capacity: Large capacity for extended service intervals
- Applicable Environment: Long-haul transportation, dusty and rugged road conditions
Compatible Vehicle & Engine
Fitment Models
Freightliner Cascadia 2018, 2019, 2020, 2021, 2022, 2023, 2024 heavy-duty truck models
Matching Engines
Detroit Diesel DD13, DD15, DD16 engines
Suitable for long-haul semi trucks and logistics fleet vehicles
Product Features & Wholesale Advantages
Adopts high-efficiency filter media to effectively block road dust, pollen, sand and other contaminants, preventing engine cylinder wear and premature component aging. The upgraded radial seal structure ensures perfect fitting, avoids unfiltered air leakage, and keeps stable combustion efficiency.
Rugged reinforced construction resists vibration, high temperature and harsh under-hood working conditions, prolonging replacement cycles and reducing fleet maintenance costs. Ideal for filter distributors, repair shops, fleet companies and bulk wholesale procurement. We provide stable inventory supply, customized packaging and private label services with factory direct competitive pricing for global importers.
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