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Vivid Racing Gear 
AutoMeter 3859 Digital Stepper Motor Boost/Vacuum Gauge
Monitoring vacuum and boost levels is essential for maximizing power while ensuring your engine operates within its optimal range. The AutoMeter 3859 Digital Stepper Motor Boost/Vacuum Gauge is engineered to deliver precise readings with lightning-fast response times and smooth needle movement. Thanks to advanced circuitry, this gauge automatically calibrates on startup, adjusting for altitude, barometric pressure, and other atmospheric variables. It comes complete with a sophisticated MAP sensor and wiring harness for straightforward installation, making it a perfect fit for gasoline engines. For those with diesel or high-boost setups, a boost-only version is also available.
Specifications:
Gauge Size: 2-1/16 in.
Pressure Range: 30 in. Hg / 30 PSI
Gauge Type: Boost/Vacuum
Key Features
- Bezel Color: Bright Anodized
- Bezel Style: Super Bezel
- Boost Capacity: 30 PSI
- Face Color: Black
- Gauge Size: 52.4mm
- Hole Size: 52.4mm
- Lens: Flat Clear
- Lighting Color: Green
- Lighting Type: LED
- Movement Type: Electric Digital Stepper Motor
- Outer Bezel Diameter: 2.250 in.
- Pointer Color: Fluorescent Red
- Vacuum Range: 0-30 in. Hg
- WARNING CA Proposition 65: Yes
- WARNING CA Proposition 65 Message: Warning: This product can expose you to chemicals known to the State of California to cause cancer. For more information, visit www.p65warnings.ca.gov.
Installation Notes:
Universal Fitment: This gauge is designed for universal fitment, making it compatible with a wide range of vehicles. However, it’s recommended to verify compatibility with your specific application to ensure optimal performance.
Customer Insights
Users appreciate the clarity of the readings provided by the AutoMeter 3859, noting its responsiveness during both daily driving and spirited runs. Many have highlighted how easy the installation process is, thanks to the included wiring harness, allowing them to quickly integrate it into their setups. Feedback often mentions how the gauge’s sleek design complements the interior of performance vehicles, making it not just functional but also visually appealing.
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
AutoMeter is an aftermarket company that started in 1957. The company specializes in creating high precision gauges for various automobiles. The company was founded by Vern Westberg and initially poured sand castings in their family’s backyard. Today, Autometer is considered the leading brand when it comes to vehicle instrumentations and is being used by a lot of enthusiasts worldwide.
Experts in their FieldWith more than 60 years in the industry, the company was able to perfect its craft and developed many industry-changing products such as rev control and quick responding tachometers. They also offer an LCD Competiton data acquisition system for those who are more serious when it comes to data monitoring.
State-of-the-art FacilityAutometer has one of the industry’s most advanced manufacturing facilities based in Sycamore, IL USA. This, coupled with an advanced engineering system allows them to create parts that are durable, accurate, and precise. The company is ISO certified so you can be sure that you get quality products consistently.
Autometer has its own High-Performance division that focuses on competition spec and racing electronics and instrumentations. Using their experience, they are able to develop and continuously improve their products and adapt them to the ever-changing automotive technology.
Purchase Autometer at Vivid RacingIf you want to accurately monitor your engine’s vitals, then upgrade your gauges to Autometer. They have been the trusted brand of many enthusiasts and racers worldwide and have proven themselves as the leading brand in the industry. To know more, visit Vivid Racing and check out their list of products that would fit your specific requirement.
Installation Instructions
Click to view the Installation Instructions here
