Description
Product Overview
The Auto Meter JEGS water temperature gauge (model 4532) is a mechanical instrument built for high‑performance racing environments. Constructed from robust metal housing, the gauge features green luminescent dials that glow brightly in low‑light conditions, eliminating the need for external power sources. Weighing just 15.3 ounces, it offers a lightweight yet durable solution that resists vibration, heat, and shock typical of competitive motorsports. The package includes a 1/2″ NPT adapter, bulb and socket assembly, red and green bulb covers, mounting hardware, and detailed installation instructions.
Usage
Designed exclusively for race applications, this gauge excels on drag strips, road courses, and off‑road tracks where reliable temperature monitoring is critical. It operates independently of the vehicle’s electrical system, making it compatible with any street or race car that can accommodate the NPT adapter. Install the gauge on the dash, engine bay, or a custom mount to keep drivers informed of coolant temperature during intense laps. 
Why Choose Us
Auto Meter’s reputation for race‑proven mechanical instruments ensures accuracy and longevity even in the harshest conditions. The luminescent dial technology provides clear visibility without draining batteries, and the all‑metal construction guarantees resistance to corrosion and impact. Our comprehensive kit includes everything needed for a straightforward installation, backed by detailed instructions and customer support.
Key Features
- Green luminescent dials glow in low light, no battery required
- Mechanical operation ensures reliability without electrical dependence
- Lightweight 15.3‑oz metal housing resists vibration and heat
- Complete installation kit with 1/2″ NPT adapter, bulb assembly, and hardware
- Designed for race‑only use, delivering precise temperature readings for performance tuning
FAQ
Do I need a power source for this gauge?
No. The gauge operates mechanically and uses a luminescent bulb that glows without electricity, making it ideal for vehicles without a dedicated power line.
Can this gauge be installed on a street car?
While the gauge is engineered for racing, it can be installed on any vehicle that can accommodate the 1/2″ NPT adapter, though it is not intended for everyday street use.
What is included in the installation kit?
The kit contains a 1/2″ NPT adapter, a bulb and socket assembly, red and green bulb covers, mounting hardware, and step‑by‑step instructions.
Is the gauge compatible with all coolant types?
Yes, the gauge measures temperature regardless of coolant composition, as it reads the heat of the fluid directly.
How durable is the luminescent dial?
The dial is sealed within the metal housing, protecting it from moisture, vibration, and extreme temperatures, ensuring long‑term performance on the track.




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