Auto Meter 3357 Sport-Comp Electric Transmission Temperature Gauge

Auto Meter 3357 Transmission Temp Gauge – Key Features & Functions

Electric Temperature Monitoring

The 3357 uses an electric sending unit, providing:

• Clean installation (no fluid lines inside cabin)
• Reliable signal transmission
• Accurate real-time readings

Less mess, more control.

This diverse series of gauges combines the classic tricky Auto Meter look with over 30 years of race proven design. Red pointer for fast glance monitoring. Rugged reliable performance. Precision movement and extreme accuracy..

Designed for Transmission Fluid Temps

Specifically calibrated to monitor:

• Automatic transmission fluid (ATF) temperature
• Heat buildup under load or towing
• Thermal stress during performance driving

Not a generic temp gauge—this is purpose-built.

2-1/16″ Standard Gauge Size

The 2.0625 inch diameter ensures:

• Easy installation in pods or panels
• Compatibility with most setups
• Clean integration into your dash

Standard size, no surprises.

Traditional incandescent lighting fixtures illuminates across the perimeter of the dial
12 and 16 volt compatible, neatly-suited with just about each and every street car or race car electrical system

Sport-Comp Performance Styling

Classic Auto Meter design:

• Black dial with bold white markings
• High-contrast needle
• Race-inspired look

Clean, functional, and easy to read.

Accurate Real-Time Feedback

Provides:

• Immediate temperature readings
• Consistent monitoring under load
• Early warning of overheating conditions

Because transmission temps can spike fast.

Gauge kit includes 1/8” NPT temperature sender, 3/8” and 1/2″ NPT adapters, bulb and socket assembly, red and green bulb covers, mounting hardware, and detailed instructions for installation
Auto Meter’s race proven air-core electric instruments supply quick and accurate readings whilst keeping hazardous fluids out of doors of the vehicle

Why You Need This Auto Meter 3357 Transmission Temp Gauge

Transmission rebuilds aren’t cheap—and they’re definitely not fun.

The Auto Meter 3357 Transmission Temp Gauge gives you:

• Real-time transmission temperature monitoring
• Protection against overheating and fluid breakdown
• Improved performance under load
• Longer transmission lifespan

Because ignoring transmission temps is how you end up replacing one.

Ideal Applications

• Automatic transmission builds
• Tow vehicles and trucks
• Track and drag cars
• Off-road builds
• Performance street cars

Final Verdict

The Auto Meter 3357 Sport-Comp Electric Transmission Temperature Gauge is a must-have for anyone who actually uses their drivetrain.

It’s accurate, easy to install, and gives you critical data that most people overlook.

Because when your transmission overheats… it’s already too late.