Upstream Oxygen O2 Lambda Sensor for Mazda 2, 3, MX-5 Miata

Upgrade your Mazda with the IWOKPHD Upstream Oxygen O2 Lambda Sensor, a precise upstream O2 sensor designed for Mazda 2 (2011-2017), Mazda 3 (2004-2009), and MX-5 Miata (2006-2015). This direct-fit sensor helps monitor exhaust oxygen levels to optimize the air-fuel mixture, supporting smoother operation, better fuel efficiency, and lower emissions. Manufactured in Mainland China by IWOKPHD, it aligns with OEM-style specifications and comes prepared as a reliable replacement for your vehicle’s emissions system. All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.

Benefits & Tips

• Direct-fit replacement for Mazda 2 (2011–2017), Mazda 3 (2004–2009), and MX-5 Miata (2006–2015) that helps restore accurate oxygen sensing and optimize engine performance.
• Designed to work with the listed OEM numbers and part variants, providing reliable fitment without guesswork.
• Practical tip: Always verify the part number before purchasing and handle the sensor carefully during installation to avoid contamination.

Product specifications

• Brand: IWOKPHD
• Application: For MAZDA 2 2011-2017; For MAZDA 3 2004-2009; For MAZDA MX-5 MIATA 2006-2015
• Sensor Type: Piezoelectric
• Type: Heating
• Origin: Mainland China
• Part Numbers: ZJ38-18-8G1, ZJ38188G1, ZJ38-18-8G1A, ZJ38188G1A, ZJ38-18-8G1B, ZJ38188G1B, ZJ38-18-8G1C, ZJ38188G1C, ZJ38-18-8G1D, ZJ38188G1D, LF6318861B, LF63188G1B, LF63188G1B9U, LFG1188G1A, LFN1188G1, LFN1188G1A, LFYH2050XA, V32760015, 250-54081, 25054081, ZYE9188G1
• Measuring Range: ZJ38-18-8G1D, ZJ38188G1D, LF6318861B, LF63188G1B
• Repeatability: V32760015, 250-54081, 25054081, ZYE9188G1
• Resolution: ZJ38-18-8G1B, ZJ38188G1B, ZJ38-18-8G1C, ZJ38188G1C
• OEM No.: ZJ38-18-8G1, ZJ38-18-8G1A, ZJ38-18-8G1B, ZJ38-18-8G1C, ZJ38-18-8G1D, ZJ38188G1, ZJ38188G1A, ZJ38188G1B, ZJ38188G1C, ZJ38188G1D, LF6318861B, LF63188G1B, LF63188G1B9U, LFG1188G1A, LFN1188G1, LFN1188G1A, LFYH2050XA, V32760015, 250-54081, 25054081, ZYE9188G1
• Warranty: 2 years
• Package Includes: 1 piece

Package includes

• 1 piece Upstream Oxygen O2 Lambda Sensor suitable for Mazda 2, Mazda 3, and MX-5 Miata

Warnings / Reminders

• Please check the part number before purchasing replacements and ensure it matches the vehicle VIN, year, make, and model. If unsure, contact us to verify fitment.
• If parts are damaged in transit or have faults, provide a problem description and photos; our Customer Service and Technical Department will assist promptly. Pictures and videos can help diagnose issues quickly. Your positive feedback is important—thank you!

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