Upstream Oxygen O2 Sensor L33L-18-8G1 for Mazda CX-7 2.3L
Upstream Oxygen O2 Sensor L33L-18-8G1 for Mazda CX-7 2.3L
Available in stock
Product Overview:
Part Name: Upstream Oxygen (O2) Sensor
Part Number: L33L-18-8G1
Application: Measures the oxygen content in the exhaust gas before the catalytic converter to help the engine control unit (ECU) adjust air-fuel ratios for improved combustion and emissions control.
Compatible Models:
Vehicle: Mazda CX-7
Years: 2007, 2008, 2009, 2010, 2011, 2012
Engine: 2.3L Turbocharged 4-cylinder (L3-VDT)
Function: Sends real-time exhaust oxygen data to the ECU to optimize fuel injection and ignition timing. Crucial for maintaining emissions standards and ensuring fuel economy.
Condition: Brand New / OEM Standard Replacement
Technical Specifications:
Type: Upstream (pre-catalytic converter) heated oxygen sensor
Voltage: 12 V system
Connector: 4-wire plug (heater + signal circuit)
Sensor Thread Size: M18 x 1.5
Wire Length: Approx. 400–500 mm (OEM spec)
Material: Stainless steel sensor tip with ceramic sensing element and heat shield
Cycle Life: Designed for ≥ 100,000 km service interval
Weight: Approx. 0.25 kg
Shipping: Global Shipping Available | Delivery in 3–5 Days
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