Standard Ignition S3101 Oxygen Sensor Connector

Oxygen Sensor Connector for Nissan and Infiniti

Standard Ignition S3101 is an oxygen sensor connector for select Nissan, INFINITI, Suzuki, and Tesla applications. It is used in downstream and other sensor locations where a secure electrical connection is needed for the oxygen sensor circuit.

Key Features

• Oxygen sensor connector for electrical repair and replacement
• Direct-fit application coverage for select Nissan, INFINITI, Suzuki, and Tesla vehicles
• Supports downstream sensor connections on many listed applications
• Also listed for select upstream and left/right sensor positions where specified
• Cross-references Standard Ignition S3101, CONB10860, EC3129, and PT3877 for the same application

Detailed Description

Standard Ignition S3101 is a replacement oxygen sensor connector used to restore a damaged, corroded, or broken sensor connection in the exhaust monitoring circuit. It is listed for a wide range of vehicles, including 2005-2015 Nissan Armada, 2004-2015 Nissan TITAN, 2005-2012 Nissan Xterra, 2003-2007 INFINITI G35, and 2017-2020 Tesla S. Fitment also includes many Nissan and INFINITI models with downstream sensor locations, plus select front, rear, left, and right sensor positions where noted.

For buyers searching by vehicle, this part covers common repair needs on Nissan Pathfinder, Nissan Maxima, and INFINITI FX35/FX45 applications. The S3101 is a practical choice when the original connector housing, terminals, or locking features are no longer reliable.

Common Repair Uses

• Broken or heat-damaged oxygen sensor connector
• Corroded terminals causing intermittent sensor signal
• Loose connector fit at the downstream sensor
• Wiring repair after exhaust or underbody service
• Connector replacement during oxygen sensor circuit diagnosis

Installation Notes and Tips

Verify the sensor location and connector style against the vehicle listing before installation. Match the application by year, make, model, and position, since this part is listed for downstream, upstream, front, rear, left, and right locations depending on the vehicle. Inspect the harness side for heat damage or terminal wear before connecting the replacement part.

Quality Assurance

Standard Ignition S3101 is cataloged as an OE-style electrical connector replacement for the listed applications and is identified by established interchange references for parts lookup and service matching.