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2-Pc O2 Sensor Kit 234-9036 & 234-4381 for Select Nissan & Infiniti Models
2-Pc O2 Sensor Kit 234-9036 & 234-4381 for Select Nissan & Infiniti Models
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This 2-piece kit includes one upstream air-fuel ratio sensor equivalent to 234-9036 and one downstream oxygen sensor equivalent to 234-4381. Compatibility varies by vehicle year, engine, emissions specification, engine bank, and sensor position. Please verify both OE part numbers and connectors before ordering.
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1x Premium Upstream Air/Fuel Ratio Sensor (Front Position / Sensor 1)
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Interchange Cross Reference: Direct equivalent to industry part number 234-9036, factory OEM
22693-ZX70A,22693-1NA0A, and aftermarket alternative18062.
- Location: Installs directly into the upper exhaust manifold before the catalytic converter to regulate real-time engine fueling matrices.
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Interchange Cross Reference: Direct equivalent to industry part number 234-9036, factory OEM
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1x Premium Downstream Oxygen Sensor (Rear Position / Sensor 2)
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Interchange Cross Reference: Direct equivalent to industry part number 234-4381, factory OEM
226A0-EN21A,22690-ED000, and aftermarket alternative15384.
- Location: Installs downstream directly behind the catalytic converter substrate to track tailpipe filtration cleanup data.
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Interchange Cross Reference: Direct equivalent to industry part number 234-4381, factory OEM
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Upstream Sensor Cross-Indexing (Replaces 234-9036 Configurations):
- Factory Original Equipment (OEM): 22693-ZX70A, 22693-1NA0A, 22693ZX70A, 226931NA0A
- Partner Platform Factory OE: 18213-82Z50, 1821382Z50 (Suzuki)
- Premium Aftermarket Variant A: 18061 / 18062
- Premium Aftermarket Variant B: 25685
- Alternative Aftermarket Equivalents: 250-54035, 350-64043
Downstream Sensor Cross-Indexing (Replaces 234-4381 Configurations):- Factory Original Equipment (OEM): 226A0-EN21A, 22690-ED000, 226A0EN21A, 22690ED000
- Premium Aftermarket Variant A: 15384
- Premium Aftermarket Variant B: 24449
- Alternative Aftermarket Equivalents: ES11074, 250-24771, 350-34273
Important Fitment Information
The applications below require individual fitment verification for both sensors. For V6 models, confirm the required engine bank and sensor position before ordering. A part number matching one sensor does not confirm that the complete two-piece kit fits the vehicle.
- Nissan Altima (2.5L L4 & 3.5L V6 Powertrains) — Model Years: 2007, 2008, 2009, 2010, 2011, 2012, 2013
- Nissan Maxima (3.5L V6 Powertrain) — Model Years: 2009, 2010, 2011, 2012, 2013, 2014
- Nissan Rogue / Rogue Select (2.5L L4 Powertrain) — Model Years: 2010, 2011, 2012, 2013, 2014, 2015
- Nissan Murano (3.5L V6 Powertrain) — Model Years: 2009, 2010, 2011
- Nissan Pathfinder (3.5L & 4.0L V6 Powertrains) — Model Years: 2011, 2012
- Nissan Frontier (2.5L L4 & 4.0L V6 Pickup Platforms) — Model Years: 2011, 2012
- Nissan Xterra (4.0L V6 Utility Platforms) — Model Years: 2011, 2012
- Nissan Quest (3.5L V6 Multi-Purpose Passenger Vans) — Model Years: 2009, 2010, 2011
- Infiniti G35 / G37 (3.5L & 3.7L V6 Sport Sedans & Coupes) — Model Years: 2008, 2009, 2010
- Infiniti EX35 / FX35 (3.5L V6 Premium Utility Crossovers) — Model Years: 2008, 2009, 2010, 2011
- Infiniti M35 / M37 (3.5L & 3.7L V6 Luxury Passenger Sedans) — Model Years: 2009, 2010, 2011
- Suzuki Equator (2.5L L4 & 4.0L V6 Mid-Size Pickups) — Model Years: 2011, 2012
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Related Diagnostic Trouble Codes
A faulty oxygen sensor may contribute to the diagnostic trouble codes below. These codes can also be caused by wiring faults, exhaust leaks, fuel-system issues, or catalytic-converter problems. Proper diagnosis is recommended before replacing any sensor.
Primary System Fault Fixes (Front Sensor Loop - 234-9036 Equivalents):
P0130 / P0150: O2 Sensor Circuit Malfunction (Bank 1 / Bank 2, Sensor 1) — Signals a complete signal communications breakdown on the upstream loop.
P0133 / P0153: O2 Sensor Circuit Slow Response (Bank 1 / Bank 2, Sensor 1) — Triggered when oil contamination, carbon soot, or fuel additives foul the protective sensor cap, causing delayed voltage switches.
P0134 / P0154: O2 Sensor Circuit No Activity Detected (Bank 1 / Bank 2, Sensor 1) — Re-establishes open-to-closed-loop operations by replacing a dead or physically fractured sensing cell.
P0135 / P0155: O2 Sensor Heater Circuit Malfunction (Bank 1 / Bank 2, Sensor 1) — Resolves cold-start fueling delays caused by cracked or worn internal heating element blocks.
P2A00 / P2A03: Air/Fuel Ratio Sensor Circuit Range/Performance Problem (Bank 1 / Bank 2, Sensor 1) — May be associated with sensor range or performance issues that can contribute to rough idle or exhaust odor.
Emission System Fault Fixes (Rear Sensor Loop - 234-4381 Equivalents):
P0136 / P0156: Downstream O2 Sensor Circuit Malfunction (Bank 1 / Bank 2, Sensor 2) — Fixes continuity breaks or wire harnessing drops near the bottom frame channels.
P0137 / P0157: Downstream O2 Sensor Low Voltage (Bank 1 / Bank 2, Sensor 2) — Replaces an internally shorted element sending a continuous false lean signal.
P0138 / P0158: Downstream O2 Sensor High Voltage (Bank 1 / Bank 2, Sensor 2) — May be associated with circuit or sensor faults that produce a high-voltage reading.
P0141 / P0161: Downstream O2 Sensor Heater Circuit Malfunction (Bank 1 / Bank 2, Sensor 2) — Overhauls failed catalytic monitor heaters unable to hit standard operating temperatures.
P0420 / P0430: Catalyst System Efficiency Below Threshold (Bank 1 / Bank 2) — While these errors frequently point to a degraded catalytic converter core, an aged, lagging rear sensor reading can cause the ECU to log these codes prematurely.
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