AutoMeter 4303-09000 Mechanical Boost/Vac Gauge
AutoMeter's Mechanical Boost/Vac Gauges are a staple in the automotive industry, trusted by enthusiasts and professionals alike. The 4303-09000 model features a patented high-precision bourdon tube meter movement, ensuring unmatched accuracy and durability. With a straightforward 1/8" NPT pressure connection, you can easily install this gauge without the need for any electrical hookups. The package includes all necessary fittings and a nylon line kit, making setup a breeze.
Specifications
- Gauge Size: 2-1/16 inches (52.4mm)
- Boost Range: 0-20 PSI
- Vacuum Range: 0-30 in. Hg
- Bezel Color: Brushed Aluminum
- Bezel Style: Monster
- Face Color: Black
- Lens: Flat Clear
- Lighting Color: White Incandescent
- Lighting Type: Incandescent
- Movement Type: Mechanical
- Outer Bezel Diameter: 2.250 inches
- Pointer Color: Fluorescent Red
- Size: 2.3125 inches
Key Features
- High-precision bourdon tube for superior accuracy
- Durable construction ensures long-lasting performance
- Easy installation with no electrical requirements
- Universal fitment for various vehicle applications
- Clear and easy-to-read display
Customer Feedback
Users appreciate the clear visibility of the gauge, even in bright conditions, thanks to its white incandescent lighting. Many have noted how the simple installation process allows them to monitor their vehicle's boost and vacuum levels effortlessly. The gauge's accuracy has been praised, with drivers reporting that it provides reliable readings during both street and race conditions.
Warnings
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.
Fitment Notes
Universal Fitment: This gauge is designed to be universally compatible with most vehicles. However, it’s advisable to conduct thorough research to confirm that it suits your specific application.
⚠ 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
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