OTC Tools 4437 8-Piece Oxygen Sensor Socket Set

The OTC Tools 4437 is a comprehensive 8-piece sensor socket set designed to handle the wide variety of oxygen sensors, vacuum switches, and pressure sending units found on modern vehicles. Each socket features specialized slotted and contoured designs that provide clearance for sensor wires while allowing easy access to hard-to-reach locations in engine compartments.

Complete Kit Includes:

• OTC4673-1: 29mm (1-3/16") Vacuum Switch and O2 Socket, 1/2" Drive
• OTC4673-2: 22mm (7/8") Vacuum Switch and O2 Socket with wide slot, 3/8" Drive
• OTC4673-3: 27mm (1-1/16") Thermal Sensor Switch Socket, 1/2" Drive
• OTC4673-4: 22mm (7/8") Vacuum Switch and O2 Socket with narrow slot, 3/8" Drive
• OTC4673-5: Dual 27mm and 25mm (1-1/16" & 1") Oil Pressure Sending Unit Socket, 3/8" Drive
• OTC4673-6: 22mm (7/8") O2 Sensor Socket with offset design, 1/2" Drive
• OTC4673-7: 22mm (7/8") Low-Profile O2 Sensor Socket with offset design, 3/8" Drive
• OTC4437-8: Dual 27mm and 25mm (1-1/16" & 1") Oil Pressure Sending Unit Socket for short access applications, 3/8" Drive

Key Features:

• Specialized slots accommodate sensor wiring during removal and installation
• Multiple drive sizes (3/8" and 1/2") for versatile tool compatibility
• Offset and low-profile designs for confined spaces
• Dual-size sockets for oil pressure sending units maximize coverage
• Professional-grade construction for shop and technician use
• Backed by a 1-year warranty

This comprehensive set eliminates the need to purchase individual sensor sockets and ensures you have the right tool for oxygen sensor replacement, vacuum switch service, and oil pressure sender maintenance across a wide range of vehicles.