WTG-12V

• Wide temperature range – Displays engine coolant temperature from 100 to 250 °F (38 to 120 °C).
• Compatible with both 12 Volts electrical systems.
• Clear analog display – Large dial and for quick reading at a glance.
• Durable construction – Designed for vibration resistance and continuous engine use.
• Universal fit – Works with most automotive, truck, and marine engines.
• The Delivery time for orders to Puerto Rico, Hawaii and foreign territories is 2 - 3 weeks.

This Water Temperature Gauge offers a precise and reliable way to monitor engine coolant temperature. The analog dial covers a wide range from 100–250 °F (38–120 °C), making it suitable for most standard engine applications. Designed for compatibility, the gauge supports both 12 V and 24 V systems, allowing use across automotive, truck, marine, and industrial setups.

Built with rugged components, this gauge resists vibration and heat, delivering consistent performance during normal engine operation. Its universal design ensures a secure fit across various equipment types while offering precise coolant monitoring where reliable readings are critical for engine protection.

Thunder Parts is a one stop shop for all your generator needs. With more than 15 years experience we can help you find the correct part right away. We carry repair parts for all types of engines such as: diesel generator, locomotives, truck or bus, oil and gas, marine, heavy equipment or hydraulic power, we can keep your engine running smoothly.

We stock automatic voltage regulators AVR’s, control modules, engine preheaters, speed controllers, transfer switches, battery chargers, magnetic pick ups, senders and switches, solenoids, filters and much more. With world leading brands such as HOTSTART, DSE controls, Governors America Corp. GAC.  Contact tech support!