Dorman 645-162 Oxygen Sensor Connector

Dorman 645-162 Oxygen Sensor Connector

This Dorman oxygen sensor connector is a direct electrical repair solution for vehicles that need a reliable 4-way female pigtail with leads. Built for service work and accessory wiring repairs, it supports quick circuit disconnection and reconnection while helping restore stable sensor communication.

• Female 4-way oxygen sensor connector with leads
• Square connector body in blue/gray housing
• 16-gauge wiring harness with 4 terminals
• Blade-style female terminals for secure electrical contact
• Fits applications such as Chevrolet Camaro, Silverado 1500, Tahoe, GMC Sierra 1500, and Saturn Ion
• Cross-references ACDelco 15305960 and S1208 for the same application

Built for Electrical Repair

Dorman 645-162 is made for repairing damaged oxygen sensor wiring, replacing brittle connector ends, and restoring a dependable connection at the sensor interface. It is a practical choice for service on GM platforms including Chevrolet Camaro, Impala, Monte Carlo, Silverado 2500, and GMC Yukon, where a 4-way female connector with leads is required. The pigtail format supports clean circuit separation during diagnosis or component replacement, helping maintain a consistent electrical path after repair.

Common Problems It Can Help Solve

• Broken or heat-damaged oxygen sensor connector housing
• Corroded terminals causing intermittent sensor signals
• Frayed or cracked wiring near the sensor plug
• Failed connector retention from repeated service disconnects
• Electrical repair needs on 4-way female O2 sensor circuits

Installation Notes and Tips

Match the connector shape, terminal count, wire gauge, and terminal gender before installation. This part is listed for 4-way female w/ leads applications, including Fits 2013-2015 Chevrolet Camaro, N/A; Fits 2005-2007 Saturn Ion, N/A; Fits 2000-2004 Chevrolet Silverado 1500, N/A; and Fits 2000-2004 GMC Sierra 1500, N/A. Verify wire routing and pin alignment against the original connector before splicing into the harness. Use proper electrical repair practices to ensure a secure, low-resistance connection.

Quality Assurance

Dorman focuses on replacement electrical components that support dependable service repairs and accessory installations. This connector is engineered for reliable performance in routine automotive electrical repair work.