4" GM CAN-Bus Speedometer | 160 MPH

SKU: GF4-104
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$281.93 USD
Connects to vehicle speed data directly through the GM ECU over the OBDII CAN network. Compatible with 2008+ GM ECUs with CAN data output. Eliminates transmission sensors and signal wiring when supported. Precision stepper motor delivers smooth, accurate speed readings.
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The GM CAN-Bus Speedometer reads speed directly from the GM ECU through the OBDII CAN network, giving you a cleaner install and solid real-time data without extra sensor clutter when supported. Built for 2008+ GM ECUs with CAN speed output, it connects through the 16-pin OBDII Data Link Connector and keeps the setup clean and straightforward. A precision stepper motor keeps the needle smooth, stable, and easy to trust at a glance. Built with a durable housing and solid aluminum bezel, it’s made for long-term use. Made in the USA and backed for life.

Track-Tested. USA-Built. Backed for Life.

Key Features:

  • Direct ECU Speed Data — reads vehicle speed from the GM ECU through the OBDII CAN network
  • 2008+ GM Compatibility — works with supported GM ECUs with CAN speed data output
  • Cleaner Installation — eliminates transmission sensors and signal wiring when supported
  • Microprocessor-Driven — real-time accuracy
  • Stepper Motor Precision — smooth, accurate pointer movement
  • IPX6-Rated Protection — sealed against heavy spray; not for submersion
  • Made in the USA — backed by a lifetime warranty
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Built to last. Backed for life.
  • Lifetime warranty on internal circuit board electronics
  • 5-year coverage on sensors and wiring
  • Applies to gauges purchased since Jan. 1, 2006

Every Speedhut gauge includes a lifetime warranty* on the electronic circuit board inside the gauge case. It is the core of the gauge — the part responsible for the precision communication that delivers the accuracy and performance Speedhut is known for.

Sensors, wiring, and other external components are covered by an unlimited 5-year warranty.

This combined lifetime / 5-year warranty applies to the original purchaser.
*For your lifetime — as long as you own the gauge — we stand behind it.
Speedhut Inc warrants products to be free from defects in materials or workmanship. This warranty is limited to repair or replacement. Speedhut Inc is not responsible for incidental or consequential damages. Improper use, installation, or unauthorized modifications void this warranty.
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