AutoMeter Pyrometer Sensor
AutoMeter 5249 Type K Thermocouple Kit with Closed Tip and 10ft Cable
AutoMeter 5251 Type K Thermocouple Pyrometer Probe 3/16" Closed Tip
AutoMeter 5243 Type K Thermocouple Kit with Compression & Weld Boss
AutoMeter 5247 Type K Thermocouple Kit 3/16" Closed Tip Pyrometer Probe
AutoMeter 5246 Type K Thermocouple Pyrometer Probe 3/16 Inch Open Tip 10 Foot
AutoMeter 5248 Type K Thermocouple Spark Plug Mount Cylinder Head Temperature Probe
AutoMeter 5245 Type K Thermocouple Probe 1/4" Diameter Open Tip 10 Ft
AutoMeter 5250 Type K Thermocouple Intake Temperature Probe 1/8 Inch Open Tip
AutoMeter Pyrometer Sensors: Precision EGT Measurement Built for Performance
When exhaust gas temperatures climb, having a reliable pyrometer sensor is the difference between a well-tuned engine and a costly failure. AutoMeter — a brand that has been engineering high-precision instrumentation since 1957 — brings that same commitment to accuracy and durability to its line of pyrometer sensors. These are the probes and thermocouple kits that feed critical exhaust gas temperature (EGT) data directly to AutoMeter's industry-respected gauge systems.
Type K Thermocouples Designed for AutoMeter Systems
At the heart of AutoMeter's pyrometer sensor lineup is the Type K thermocouple design. The flagship AutoMeter 5251 replacement probe kit features a 3/16-inch diameter closed-tip thermocouple built specifically for use with AutoMeter's digital stepper motor pyrometer gauges. The probe and wiring harness are engineered as an integrated assembly, ensuring consistent signal transmission and minimizing the electrical noise that can compromise temperature readings at high heat levels. For racers and diesel enthusiasts who depend on split-second EGT data, this reliability is non-negotiable.
Compatibility Across AutoMeter's Pyrometer Gauge Ecosystem
AutoMeter's pyrometer sensors are designed to work seamlessly within the brand's broader gauge ecosystem. Whether you're running a Sport-Comp, Ultra-Lite, Cobalt, Phantom, or Carbon Fiber series pyrometer gauge — all spanning reading ranges from 0–1,600 °F up to 0–2,000 °F — AutoMeter's thermocouple kits are purpose-matched to deliver maximum accuracy and minimum response time. The brand even offers a two-channel EGT setup that allows drivers to monitor two independent exhaust streams simultaneously, and the corresponding sensor kits support that dual-input capability.
Why AutoMeter Pyrometer Sensors Stand Out
AutoMeter's sensors aren't generic aftermarket parts — they're engineered in Sycamore, Illinois as part of a vertically integrated instrumentation system. The company holds an ISO 9000:TS 16949 Certified Quality System, reflecting the same manufacturing rigor found in original equipment instrumentation. For diesel truck owners protecting turbocharged engines, off-road racers monitoring header temps, or circle-track competitors optimizing combustion efficiency, AutoMeter pyrometer sensors provide the trusted signal integrity that the brand's gauges are calibrated to expect.
- Type K closed-tip thermocouple for fast, accurate EGT readings
- 3/16-inch probe diameter fits standard exhaust bung weld connectors
- Integrated probe-and-harness assembly for reliable, low-noise signal transmission
- Compatible with stepper motor and digital pyrometer gauges across multiple AutoMeter series
- Engineered to pair with gauges reading up to 2,000 °F — suitable for high-boost diesel and performance applications
Whether you need a replacement sensor for an existing AutoMeter pyrometer setup or are building out a new EGT monitoring system from scratch, AutoMeter's pyrometer sensor kits provide the precision foundation your instrumentation demands. Explore the full range of pyrometer sensors available, or browse the complete AutoMeter catalog for gauges, accessories, and complete gauge kits.