Standard Ignition S-938 Oxygen Sensor Connector

Reliable Oxygen Sensor Connector for GM Vehicles

The Standard Ignition S-938 Oxygen Sensor Connector is designed to provide a secure and durable electrical connection for oxygen sensors in various GM models. This female connector with a 17-inch pigtail assembly ensures proper fitment and reliable performance for your Buick, Chevrolet, GMC, and other compatible vehicles.

• Female connector with 4 blade male terminals
• Includes one oxygen sensor pigtail assembly
• 17-inch harness length for flexible installation
• Four-wire configuration for accurate sensor communication
• Compatible with multiple GM makes and models

Product Details and Specifications

The Standard Ignition S-938 oxygen sensor connector features a female connector gender paired with four male blade terminals, ensuring a secure and precise connection to the oxygen sensor. The pigtail assembly includes four wires, each corresponding to the sensor's signals, and the 17-inch harness length provides ample reach for installation in various engine compartments. This connector is engineered to meet OEM specifications, making it suitable for use in a wide range of General Motors vehicles including Buick LaCrosse and Lucerne, Cadillac Escalade and XLR, Chevrolet Silverado and Malibu, GMC Sierra and Terrain, Hummer H3 and H3T, Saturn Aura and Vue, and more.

Compatible Vehicles and Applications

This oxygen sensor connector is compatible with the following makes and models:

• Buick: LaCrosse, Lucerne
• Cadillac: Escalade, Escalade EXT, XLR
• Chevrolet: Avalanche 1500/2500, Colorado, Equinox, Malibu, Silverado 1500/2500/3500, Suburban 1500/2500, Tahoe, Trailblazer
• GMC: Canyon, Envoy, Sierra 1500/2500/3500, Terrain, Yukon, Yukon XL 1500/2500
• Hummer: H3, H3T
• Saturn: Aura, Outlook, Sky, Vue

Common Issues Addressed by This Connector

• Faulty or damaged oxygen sensor wiring harness connections
• Intermittent sensor signal loss causing check engine light
• Corroded or worn terminals affecting sensor performance
• Replacement of broken or frayed pigtail assemblies
• Ensuring proper sensor communication for emissions control

Installation Notes and Tips

When installing the Standard Ignition S-938 oxygen sensor connector, ensure the vehicle’s ignition is off and the engine is cool. Disconnect the battery before removing the old connector to prevent electrical shorts. Carefully match the four blade terminals to the oxygen sensor pins, and secure the pigtail assembly to avoid strain or damage. The 17-inch harness length allows for flexible routing, but avoid sharp bends or contact with hot engine components. Verify the connection is secure before reconnecting the battery and starting the engine.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards, ensuring reliable fit and function. The S-938 oxygen sensor connector undergoes rigorous quality control to provide consistent electrical performance and durability. This part is backed by Standard Ignition’s limited warranty, covering defects in materials and workmanship under normal use conditions.