Auto Meter Water Temp Gauge 3331 Sport-Comp Incandescent Dial

Description

Product Overview

The Auto Meter 3331 Sport-Comp Mechanical Water Temperature Gauge combines proven race‑track reliability with straightforward street‑car installation. Housed in a painted plastic case, the gauge measures water temperature with a 2 1/16″ dial illuminated by traditional incandescent bulbs that outline the perimeter for clear night‑time reading. It ships with a 1/2″ NPT adapter, bulb and socket assembly, red and green bulb covers, mounting hardware, and detailed instructions, ensuring a hassle‑free setup.

Usage

Designed for both daily drivers and performance racers, this gauge operates without any electrical connection, making it compatible with any vehicle that uses a standard NPT fitting. Whether you’re monitoring engine temperature on a weekend track day or keeping an eye on coolant levels during long road trips, the gauge provides instant, accurate feedback in demanding environments.

Why Choose Us

Auto Meter’s reputation for race‑proven mechanical instruments ensures you receive a gauge built for accuracy and durability. The incandescent lighting offers a classic look while remaining functional in extreme temperatures. Each unit undergoes strict quality checks, and the included mounting kit simplifies installation, reducing the need for additional parts or professional assistance.

Key Features

• Incandescent perimeter lighting provides clear visibility in low‑light conditions.
• Mechanical operation requires no vehicle electrical system, ensuring universal compatibility.
• Durable painted plastic housing resists corrosion and heat stress.
• Comes with a 1/2″ NPT adapter and all mounting hardware for quick installation.
• Backed by Auto Meter’s customer support and a comprehensive installation guide.

FAQ

Do I need any wiring to install this gauge?

No. The gauge is fully mechanical and operates solely with the coolant pressure via the NPT fitting.

Can I use this gauge on a diesel engine?

Yes, as long as the engine uses a standard 1/2″ NPT coolant line, the gauge will function correctly.

What type of bulb does the gauge use?

The gauge uses a traditional incandescent bulb with optional red and green covers for customized illumination.

Is the gauge waterproof?

The gauge housing is painted and sealed to protect against moisture, but the bulb socket should be kept dry for optimal performance.

How accurate is the temperature reading?

Auto Meter’s mechanical movement provides reliable accuracy comparable to factory‑installed gauges, suitable for both street and race applications.