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Restore precise air-fuel mixture monitoring with this OEM-specification replacement sensor for compatible Mazda vehicles. Genuine part number L509-18-8G1C ensures accurate ECU communication, efficient combustion, and a direct plug-and-play fit with no modification required.
The Mazda Air Fuel Ratio Sensor (P/N L509-18-8G1C) is an OEM-specification replacement designed to restore precise air-fuel mixture monitoring to your Mazda vehicle. The air fuel ratio sensor plays a critical role in your engine management system, relaying real-time exhaust oxygen data to the ECU so fuel delivery can be adjusted for clean, efficient combustion. A faulty or worn sensor can result in poor fuel economy, rough running, increased emissions, and check-engine warning lights, making timely replacement essential.
This sensor is built to meet original Mazda factory standards, ensuring reliable performance and a direct plug-and-play installation with no modification required. Using the correct OEM part number guarantees compatibility and eliminates the guesswork associated with aftermarket alternatives.
| Part Number | L509-18-8G1C |
| Type | Air Fuel Ratio Sensor |
| Brand Fitment | Mazda |
| Specification | OEM replacement |
| Category | Electrical |
| Included | 1 x Air Fuel Ratio Sensor |
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$415.75
Arrives:Mon 8 – Wed, 10 Jun
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