234-9036 O2 Sensor Compatible with Nissan and Infiniti Vehicles

In this review the NECATUO 234-9036 O2 sensor is evaluated for drivers who need an upstream oxygen sensor replacement for specific Nissan and Infiniti models from the late 2000s and early 2010s. The bottom line: it is a solid, OEM-spec replacement that focuses on fit and durability, making it a sensible choice for those who want to restore fuel trim accuracy and protect the catalytic converter without paying dealer prices. The review looks at fitment, build quality, installation and realistic limitations so buyers can decide whether this single upstream sensor meets their needs.

Key Features

• Vehicle Fitment: Covers a wide range of Nissan and Infiniti models, which reduces the risk of ordering the wrong part when the correct reference number is matched.
• Reference Compatibility: Cross-references common OE numbers such as 18061 and 1821382Z50 so it can replace multiple factory sensors for easier sourcing.
• OEM Quality: Constructed from premium materials intended to provide long service life and consistent sensor readings under normal driving conditions.
• Easy Installation: Manufactured to OE specifications for form and fit, which simplifies bolt-on installation for a technician or competent DIY mechanic.
• Engine Performance Benefit: Restores more accurate oxygen readings to help the engine control module optimize air/fuel ratio and potentially improve fuel economy and catalytic converter longevity.

Who It's For

This sensor is best for owners of compatible Nissan and Infiniti vehicles listed in the fitment notes who need an upstream O2 sensor replacement and want an OEM-spec part without dealership markup. It is particularly useful for DIYers or independent shops that already confirm vehicle reference numbers and connectors before ordering.

Drivers who do not know their exact reference number, have uncommon vehicle variations, or need a downstream sensor should double-check fitment and consider professional parts verification. Those seeking a lifetime-warranty factory part may want to compare warranty terms before buying.

Pros & Cons

Pros

• Good fitment coverage for many Nissan and Infiniti models when the OE reference matches.
• Built to OE-style specifications to ease installation and reduce adjustment hassles.
• Durable materials aimed at providing consistent performance and protecting the catalytic converter.

Cons

• Compatibility depends entirely on matching the vehicle's reference numbers, so fitment must be checked carefully.
• Only sold as a single upstream sensor, so vehicles needing multiple sensors will require additional purchases.

Specifications

Part Name	234-9036 O2 Sensor (Upstream, Set of 1)
Brand	NECATUO
OEM Reference Numbers	18061, 18062, 1821382Z50, 226931NA0A, 22693ZX70A
Additional Cross References	250-54035, 25685, 350-64043, S435, 63-29
Fitment Highlights	Nissan Altima, Maxima, Rogue (2010-2013), Pathfinder, Frontier, Xterra; Infiniti G35, G37, M35
Quantity	Set of 1 (upstream)

Our Verdict

The NECATUO 234-9036 upstream O2 sensor is a practical, cost-effective replacement for owners of the listed Nissan and Infiniti models who verify OE reference numbers beforehand. It delivers OE-style fit and durable construction that helps restore proper fuel trim and protect the catalytic converter, making it a good value for independent service and informed DIY repairs.

Frequently Asked Questions

How do I confirm this sensor fits my vehicle?
Match one of the listed OE reference numbers or vehicle model years against your vehicle's existing sensor part number to confirm compatibility.

Is this the upstream or downstream sensor?
This listing is for an upstream O2 sensor sold as a single unit.

Will installation require special tools?
Installation follows OE-style fitment and typically needs standard oxygen sensor sockets and hand tools; professional installation is recommended if you lack experience.