Description
Product Overview
The Auto Meter 8457 LED Transmission Temperature Gauge is engineered for heavy‑duty Ford Super Duty trucks. Constructed from high‑impact plastic with a painted exterior, it houses a data‑acquisition grade temperature sender and a digital stepper motor for precise readings. The gauge features factory‑matched LED through‑the‑dial illumination, 1/8″ NPT thread, and includes 3/8″ and 1/2″ NPT adapters, wiring harness, and mounting hardware.
Usage
Designed for both daily driving and performance applications, this gauge excels in hot climates, towing, and off‑road conditions where transmission heat management is critical. Ideal for owners of 1999‑2007 Ford F‑250 and F‑350 Super Duty models, including Harley‑Davidson, King Ranch, Lariat, XL, and XLT trims. It provides real‑time data to prevent overheating and extend transmission life.

Why Choose Us
Auto Meter leverages race‑proven digital stepper motor technology, delivering unmatched accuracy while keeping hazardous fluids away from the instrument. The self‑calibration sequence on power‑up ensures consistent performance. Each unit undergoes rigorous quality testing and comes with a comprehensive installation guide, guaranteeing a perfect factory match.
Key Features
- Factory‑matched LED lighting for clear nighttime visibility
- Data‑grade temperature sender with 1/8″ NPT thread for precise measurement
- Includes 3/8″ and 1/2″ NPT adapters, wiring harness, and mounting hardware
- Digital stepper motor with self‑calibration for superior accuracy
- Durable plastic construction with painted finish for long‑term reliability
FAQ
Does this gauge fit all Ford Super Duty models?
Yes, it is compatible with 1999‑2007 Ford F‑250 and F‑350 Super Duty trucks across all major trims, including Harley‑Davidson, King Ranch, Lariat, XL, and XLT.
What type of lighting does the gauge use?
The gauge features factory‑matched LED through‑the‑dial lighting, providing bright, consistent illumination without affecting the vehicle’s electrical system.
Is the temperature sender included?
Yes, the kit includes a data‑acquisition grade temperature sender with a 1/8″ NPT thread, plus optional 3/8″ and 1/2″ adapters for flexible installation.
Can I install the gauge myself?
Absolutely. The package contains detailed step‑by‑step instructions, all necessary hardware, and a wiring harness designed for a straightforward DIY installation.
How does the self‑calibration work?
Upon power‑up, the digital stepper motor performs a self‑calibration routine that aligns the needle to the exact temperature reading, ensuring consistent accuracy each time the vehicle is started.




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