Description
The HFC Premium Engine Air Filter HF0542 / 17801-21050 is engineered to provide reliable engine protection and consistent airflow for optimal vehicle performance. Built to meet OEM specifications, this high-efficiency replacement filter helps prevent harmful particles such as dust, pollen, and debris from entering the engine’s combustion system.
This filter features high-density synthetic filtration media with a deep-pleat design, increasing the overall surface area for improved dust-holding capacity while maintaining smooth airflow. The result is better engine breathing, enhanced fuel efficiency, and improved acceleration.
The durable thermoplastic frame with an integrated flexible gasket ensures a tight and secure seal inside the airbox, preventing unfiltered air from bypassing the filter. Manufactured according to Turkey Standard quality control, the filter delivers consistent performance and precise fitment.
Clearly printed part numbers HF0542 and 17801-21050 make identification and replacement simple. Designed as a direct drop-in replacement, this air filter allows quick installation without requiring special tools.
Regular replacement of the engine air filter helps maintain engine health, improve fuel economy, and extend engine life by ensuring a clean and steady supply of air to the engine.
Key Features
- High-efficiency synthetic filtration media
- Deep-pleat design for improved airflow and dust capacity
- Durable thermoplastic frame with airtight sealing gasket
- Protects engine from dirt, dust, and contaminants
- Direct OEM-equivalent replacement for easy installation
- Designed to meet strict quality and performance standards
Compatibility
Commonly compatible with selected models such as:
- Toyota Yaris
- Toyota Prius
- Toyota Vios
- Toyota Echo
- Scion xA
- Scion xB
Always verify part number 17801-21050 with your vehicle specifications before purchase.


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