Standard Ignition S3097 Oxygen Sensor Connector

Oxygen Sensor Connector for GM Applications

Standard Ignition S3097 is an oxygen sensor connector built for direct electrical repair on a wide range of GM vehicles. It features a male connector body with an oval shape, 4 blade terminals, and a 300 mm harness length for serviceable replacement of damaged or corroded sensor wiring.

Key Features

• Male oxygen sensor connector with oval housing
• 4 terminal blade design with female terminals
• 18-gauge wiring for electrical repair applications
• 300 mm harness length for routing flexibility
• 0-degree bend angle for straight-line connection
• Standard Ignition S3097 replacement connector

Detailed Description

Standard Ignition S3097 is an oxygen sensor connector used to restore a secure electrical connection between the vehicle harness and the sensor circuit. The 4-wire, 4-terminal layout and straight 0-degree design support clean replacement of worn, heat-damaged, or broken connector ends. This part number is commonly used on Chevrolet Silverado 1500, Chevrolet Malibu, and GMC Sierra 1500 applications, along with other GM models listed below. Standard Ignition S3097 also cross-references OE-style service numbers such as 13587298 and EC3126 for the same application.

Compatible With 2013-2019 Chevrolet Malibu, rear; 2014-2019 Chevrolet Impala, rear; 2014-2019 Chevrolet Silverado 1500; 2014-2019 GMC Sierra 1500; 2015-2020 Cadillac Escalade; 2015-2020 Cadillac Escalade ESV; 2015-2020 Chevrolet Tahoe; 2015-2020 GMC Yukon; 2015-2020 GMC Yukon XL; 2016-2020 Buick Envision, rear; 2016-2020 Chevrolet Express 2500, rear; 2016-2020 Chevrolet Express 3500, rear; 2016-2020 GMC Savana 2500, rear; 2016-2020 GMC Savana 3500, rear; 2017-2021 GMC Acadia, rear; 2018-2020 Buick Regal Sportback; 2018-2020 Buick Regal TourX; 2018-2020 GMC Terrain, rear; 2018-2019 Chevrolet Equinox, rear; 2018-2019 Chevrolet Traverse, rear; 2019 Chevrolet Silverado 1500 LD, rear; 2019 GMC Sierra 1500 Limited; 2020-2024 Chevrolet Equinox; 2020 Chevrolet Tahoe, rear; 2019-2021 Chevrolet Blazer, rear; 2014-2017 Buick Regal, rear; 2014-2016 Chevrolet Corvette, rear; and other listed GM rear oxygen sensor locations.

What It Is Used For

• Repairing a damaged oxygen sensor connector on GM vehicles
• Replacing heat-brittle or corroded sensor wiring ends
• Restoring intermittent oxygen sensor signal or heater circuit continuity
• Correcting connector fitment issues caused by broken locking tabs or terminals
• Servicing rear oxygen sensor wiring on listed Chevrolet, GMC, Buick, and Cadillac models

Installation Notes and Tips

Verify connector shape, terminal count, wire count, and harness length before installation. Match the vehicle-side connector to the male oval design and confirm the application location, especially on rear sensor circuits. Inspect the existing harness for heat damage, corrosion, or broken insulation before splicing or replacing the connector end.

Quality Assurance

Standard Ignition is a recognized aftermarket source for electrical service parts, and S3097 is built to match the connector style and terminal layout used in the listed GM applications. Confirm fitment by year, make, model, and sensor position before installation.