AutoMeter Cobalt Series Water Temperature Gauge

2010–2025 All Makes and Models with 1/2" NPT Threaded Ports

Part #: 6131

Overview

The AutoMeter Cobalt Series 2-1/16" Water Temperature Gauge is an essential instrument for performance enthusiasts who want to keep a close eye on their engine's vital signs. Designed for high-demand applications, this gauge provides accurate and rapid readings of your engine's water temperature, helping you prevent overheating and maintain optimal performance. Whether you're a daily driver, a weekend racer, or an off-road adventurer, monitoring your engine temperature is crucial for reliability and longevity.

With its modern blue LED backlighting and sleek design, the Cobalt Series gauge not only offers precise data but also enhances the aesthetic of your vehicle's interior. Its quick response time and durable construction make it a reliable choice for those who demand the best from their automotive instrumentation.

Key Features

The AutoMeter Cobalt Series Water Temperature Gauge is packed with features that ensure accurate and dependable performance:

• High-precision bourdon tube movement for rapid and accurate temperature readings
• Modern blue LED through-the-dial lighting for clear visibility in all lighting conditions
• 2-1/16" (52mm) diameter for easy installation in standard gauge pods and panels
• Includes a 6-foot capillary tube for flexible routing and installation options
• 1/2” NPT threaded mounting nut ensures secure attachment to your vehicle’s cooling system
• Engineered for demanding applications, providing consistent performance in high-temperature environments
• Designed to help you monitor engine water temperature and prevent overheating
• Built with durable materials to withstand vibrations, heat, and harsh conditions
• Easy to read dial with clear markings from 140°F to 280°F, covering most engine operating ranges

Construction & Design

The AutoMeter Cobalt Series gauges feature a robust construction with a high-quality bourdon tube movement that delivers precise and quick readings. The dial is crafted with a sleek, modern blue LED backlight that enhances visibility and adds a stylish touch to your vehicle’s interior. The gauge housing is made from durable materials designed to withstand the rigors of high-performance driving and off-road conditions.

The included capillary tube is 6 feet long, allowing flexible routing from the engine bay to the dashboard. The 1/2” NPT mounting nut ensures a secure and leak-free installation into your vehicle’s cooling system or water jacket. The overall design emphasizes durability, accuracy, and ease of installation, making it an ideal choice for enthusiasts seeking reliable engine monitoring.

Installation & Fitment

The AutoMeter Cobalt Series Water Temperature Gauge is designed for straightforward, bolt-on installation. It uses a standard 1/2” NPT threaded fitting, compatible with most vehicle cooling systems. The included 6-foot capillary tube provides ample length for routing through the engine bay to your dashboard or gauge pod. No cutting, drilling, or complex modifications are typically required, making it suitable for both DIY enthusiasts and professional installers.

• Requires a 1/2” NPT port on your vehicle’s water jacket or cooling system
• Includes all necessary hardware for installation
• No additional tuning or calibration needed for accurate readings

What's Included

• AutoMeter Cobalt Series Water Temperature Gauge (2-1/16")
• 6-foot capillary tube
• Mounting hardware and nut
• Installation instructions

Ideal For

• Performance street cars and race vehicles
• Off-road vehicles and trucks
• Enthusiasts seeking reliable engine monitoring
• Anyone wanting to prevent engine overheating and maintain optimal operating temperatures