Oxygen Lambda Sensor for Ford Mustang 5.0L-V8 Engine

The IWOKPHD Oxygen Lambda Sensor is a direct-fit, heated, piezoelectric O2 sensor crafted for the Ford Mustang 5.0L-V8 engine years 2018–2021. Designed to monitor exhaust gas oxygen levels, it helps your engine maintain the optimal air-fuel ratio for smoother performance, better fuel efficiency, and reduced emissions. This replacement sensor reads accurately across cold starts and under load, supporting consistent catalyst protection and reliable engine operation.

With OEM-compatible connections (OE No.: JR3Z-9G444-B) and a robust heated design, this sensor warms quickly to deliver precise readings sooner, so your Mustang runs clean and efficiently right from startup. Built by IWOKPHD, it’s a dependable upgrade that matches the performance and durability you expect from a genuine part.

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

• Restore accurate oxygen sensing to improve fuel economy and reduce emissions by maintaining the correct air-fuel mixture.
• Enhance engine response and idle stability by providing reliable oxygen readings during acceleration and steady cruising.
• Ensure a straightforward, wheel-to-sensor replacement for 2018–2021 Mustang 5.0L-V8—double-check part numbers and vehicle details, and contact us with your VIN, year, make, and model if you’re unsure about fitment.

Product specifications

• Brand: IWOKPHD
• Part numbers: JR3Z-9G444-B; JR3A9G444AC; JR3A9G444BC; JR3Z9G444A; JR3Z9G444B; JR3Z 9G444 B
• Sensor type: Piezoelectric
• Heating type: Heating Type
• Application: For Ford Mustang 5.0L-V8 2018-2021
• OEM No.: JR3Z-9G444-B
• Measuring range: For Ford Mustang 5.0L-V8
• Origin: Mainland China
• Warranty: 2 years (Replacement Warranty)
• Warranty type: Replacement Warranty

Package includes:

• 1 x Oxygen Lambda Sensor (JR3Z-9G444-B)

Warnings/Reminders

• Please check the part number before purchasing replacements to ensure exact compatibility with your vehicle.
• Make sure you are ordering the correct auto part for your vehicle. If you’re unsure, contact us with your VIN, year, make, and model to verify fitment.
• Once installed, verify the vehicle’s OBD-II readiness and clear any warning lights to confirm proper sensor operation.

At intercyprus.com since 2002 — trusted for quality and reliability.