The MSD 7765 O2 Sensor Module is a precision-engineered wideband oxygen sensor controller designed for accurate air/fuel ratio monitoring in performance applications. This module provides real-time AFR data with fast response time and high accuracy, making it essential for engine tuning and monitoring fuel system performance.

Technical Specifications:

• Type: Wideband O2 Controller
• Input Voltage Range: 11-18V DC
• Power Consumption: 3A maximum
• Operating Temperature: -20°F to +185°F
• AFR Range: 10:1 to 20:1
• Lambda Range: 0.68 to 1.36
• Response Time: 150 milliseconds
• Accuracy: ±0.1 AFR
• Sensor Compatibility: Bosch LSU 4.9
• Display Output: 0-5V linear
• Warm-up Time: <30 seconds
• Housing Material: Anodized aluminum
• Dimensions: 4.5" x 3.25" x 1.5"

Key Features:

• Digital signal processing
• Temperature compensation
• Automatic sensor calibration
• Short circuit protection
• Reverse polarity protection
• LED status indicators
• Free air calibration capability
• Diagnostic feedback system
• Weatherproof construction

Installation Features:

• Plug-and-play harness included
• Multiple mounting options
• Analog voltage output for data logging
• Compatible with most aftermarket ECUs
• Includes complete wiring kit
• Water-resistant connectors
• Built-in fuse protection