Air Filter > MAZDA CX-7 (ER) & MAZDA 8 (MPV) > AJ57-13-Z40-C > CHINA PART
✔ Aftermarket Engine Component (Non-Genuine China Sourced)
✔ Part Number Reference: AJ57-13-Z40-C (Referencing the Mazda OE number AJ57-13-Z40)
✔ Component Name: Engine Air Filter (Intake Filter)
✔ Compatibility: 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.
✔ Origin: CHINA PART (C) (Indicates a third-party aftermarket replacement filter, designed to be a budget-friendly option).
✔ Function: Filters the air drawn into the engine's intake system (or turbocharger), providing clean air for combustion and protecting engine components, particularly crucial for the turbocharged and diesel variants.
This listing describes an Aftermarket replacement for the Engine Air Filter, identified by the part number AJ57-13-Z40-C. This part number cross-references the Mazda Original Equipment (OE) number AJ57-13-Z40. The suffix "-C" indicates that this is a non-OE, aftermarket part, commonly manufactured in China, and marketed as a budget alternative.
This filter is a necessary service component for the Mazda CX-7 and Mazda 8 and is designed to fit the air box housing used across the range of engines in these vehicles, including the high-performance 2.3L Turbo Petrol model.
Since this part is a CHINA PART:
Affordability: This option is typically the most economical choice for routine filter replacement, offering significant savings compared to Genuine Mazda parts.
Fitment: The filter is manufactured using the OE part's dimensions (approx. $315 \text{ mm} \times 180 \text{ mm} \times 46 \text{ mm}$) to ensure it fits correctly and seals within the air box housing.
Consideration: For high-performance turbocharged engines like the 2.3L DISI in the CX-7, maintaining the exact OE-specified air flow and high filtration efficiency is vital. Budget-tier filters may offer a compromise in media quality compared to the Genuine or premium aftermarket alternatives.
Regular replacement of the air filter is essential maintenance to:
Engine Health: Preventing abrasive wear on internal engine and turbo components.
Performance: Maintaining peak engine output and minimizing fuel consumption.
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 Reference:
✔ AJ57-13-Z40-C (Aftermarket/China Part)
OE Cross-Reference: AJ57-13-Z40, AJ57-13-Z40-9A
Part Type:
✔ Air Filter (Engine) (Aftermarket China Part)
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