Air Filter > MAZDA CX-7 (ER) & MAZDA 8 (MPV) > AJ57-13-Z40 > GENUINE PART
✔ Genuine OEM Engine Component (Mazda)
✔ Part Number: AJ57-13-Z40 (Mazda Original Equipment/OE Number)
✔ Component Name: Engine Air Filter (Filter Element, Air Cleaner)
✔ Primary Application: Mazda Crossover SUV and MPV Models:
* Mazda CX-7 (ER Chassis): Used for various engines, including the common 2.3L MZR DISI Turbo Petrol and the 2.2L MZR-CD Diesel (approx. 2007–2012).
* Mazda 8 (MPV): Also compatible with the Mazda 8 MPV.
✔ Filter Type: High-quality Dry Paper Panel Filter (Dimensions typically around $315 \text{ mm} \times 180 \text{ mm} \times 46 \text{ mm}$).
✔ Function: Filters the air drawn into the engine's intake system (or turbocharger), providing clean, low-restriction airflow vital for combustion efficiency and engine protection, especially important for the high-performance turbo variants.
This is a Genuine OEM Engine Air Filter, identified by the Mazda part number AJ57-13-Z40. This component is the factory-original, standardized part critical for the smooth operation and extended lifespan of the engines found in the Mazda CX-7 crossover and the Mazda 8 MPV.
This filter is specifically designed to meet the high flow and precise filtration requirements of the engines in the CX-7, most notably the direct-injection 2.3L MZR DISI Turbo Petrol engine. Maintaining the correct airflow and protecting the turbocharger from abrasive dust is paramount for these performance-oriented vehicles.
Using the Genuine Part (AJ57-13-Z40) ensures:
Guaranteed Fitment: Manufactured to the exact specifications for a perfect, airtight seal within the air box housing. An improper seal can lead to unfiltered air bypassing the element and causing internal engine damage.
Optimal Filtration Media: Utilizes specialized media engineered by Mazda to provide the essential balance of high filtration efficiency and low air flow restriction, critical for maintaining power output and fuel efficiency.
Engine Protection: Provides superior, guaranteed protection for the sensitive components of the turbocharger and engine internals against abrasive contaminants.
Regular replacement of this Genuine Filter, according to the vehicle's maintenance schedule, is essential for maintaining peak engine output and efficiency.
Compatible Vehicle (Primary Applications - PETROL & DIESEL):
✔ Mazda CX-7 (ER Chassis, 2.3L Turbo Petrol, 2.2L Diesel, approx. 2007–2012) ✔ Mazda 8 (MPV)
Part Number:
✔ AJ57-13-Z40 (Engine Air Filter - Genuine Mazda) OE Cross-Reference: AJ57-13-Z40-9A, AJ57-13-Z40-CA
Part Type:
✔ Air Filter (Engine) (Genuine Part)
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