A-Premium 4Pcs Oxygen Sensor Upstream & Downstream Kit for GM 5.3L SUVs & Trucks

Overview

A-Premium delivers a complete 4-piece O2 sensor kit designed for GM 5.3L V8 engines. This upstream and downstream set covers popular models such as Cadillac Escalade, Silverado 1500, Suburban 1500, Tahoe, Sierra 1500, and Yukon from the early to mid 2000s, helping you keep the exhaust monitoring system in balance.

Built for durability, these sensors feature heated operation, threaded mounting, and a female connector design. The four-sensor package comes in a sturdy box and is ready for installation with common hand tools.

What Is Included

• 4x oxygen sensors upstream and downstream
• 4-wire connectors for stable signal transmission
• Box packaging with reference numbers for easy replacement tracking

Key Benefits

• Durable construction using premium materials for longer life
• Fast and straightforward installation that does not require special tools
• Heated sensors designed to perform in varied climates and during cold starts
• Wide compatibility with GM 5.3L SUVs and trucks across multiple model years
• One year unlimited mileage guarantee for added confidence

Usage Notes

Reference part numbers include 250-24470, 234-4668, 350-34581, 25024470, 2344668, 35034581, OS5045, 12569429, 12573005, 12573167, 12576131, 12583290, 12607410, 12609001, 12611127, 8125731670 among others. This helps ensure you are selecting a suitable replacement for your vehicle.

Why Choose A-Premium O2 Sensors

These sensors are designed to deliver reliable readings and consistent performance in everyday driving. The kit emphasizes compatibility, precise sensor signaling, and a straightforward fitment experience, which can contribute to smoother operation of the exhaust monitoring system without requiring specialized tools or complex procedures.

Real world use often reveals that sensor health plays a role in idle stability and emissions readings. While results can vary by vehicle condition, installing quality upstream and downstream sensors can help restore balanced sensor input for the engine management system. If you hear unfamiliar exhaust sounds or notice fluctuating engine behavior, this kit provides a practical replacement option to consider as part of routine maintenance.