Nifeida 234-4668 Oxygen O2 Sensor Upstream for 2003-2014 GM Trucks & SUVs

Overview

Nifeida 234-4668 upstream O2 sensor is designed as a direct replacement for a broad range of GM vehicles from 2003 through 2014. It measures the oxygen level in exhaust gas and feeds data to the engine control unit to support balanced fuel delivery and smooth combustion. Built with attention to fit and function, this sensor aims to help your vehicle maintain accurate monitoring as part of regular maintenance.

Crafted to align with OE expectations, the sensor is designed to be cross-referenced with multiple OE numbers. This makes it easier to confirm compatibility before purchase and ensures a reliable substitute when the original part needs replacement.

Compatibility and fitment snapshot

• Interchange parts include 234-4668 and a broad list of OE references to support substitution across a range of models.
• Vehicle coverage spans 2003–2014 Tahoe, Suburban, Avalanche, Silverado; also fitment for Yukon XL, Isuzu Ascender, GMC Sierra HD, Envoy, Cadillac Escalade, Buick LaCrosse, Pontiac and Saturn variants, among others.
• To ensure accuracy, verify your specific model, plug style, and the listed OE numbers on the product page before purchasing.

Durable construction and installation ease

• Made with high-quality stainless steel and durable materials designed to withstand engine bay heat and road vibrations.
• Designed as a direct replacement in the original sensor position, with pre-coated threads to aid installation and reduce cross-threading risk.
• Cross-reference capable with a wide range of OE numbers, so substitution is straightforward when the model matches.

What this means for you

As part of regular maintenance, this upstream O2 sensor is engineered to provide accurate readings that support steady engine operation and emissions monitoring. Results can vary by vehicle condition, driving style, and installation accuracy.

Note: Please compare your vehicle year, make, model, engine, plug type, and OE numbers to ensure the best possible match before ordering.