If you're looking to connect your braided stainless steel line to AutoMeter mechanical gauges or electric pressure gauge senders, the AutoMeter 3278 90-degree adapter fitting is the solution you need. Designed specifically for enthusiasts who value precision and reliability, this fitting features a 1/8" NPT female to -4AN male connection, making it perfect for a variety of automotive applications.
This adapter is compatible with many vehicles that utilize AutoMeter gauges. However, it's essential to ensure compatibility with your specific setup. Fitting this part correctly can enhance your gauge's performance, providing accurate readings that are crucial for monitoring your vehicle's health on the road or track.
Many users have reported that the AutoMeter 3278 fitting is a game changer for their setups. For instance, a 2020 Mustang GT owner mentioned, "I installed the 3278 fitting to connect my pressure gauge, and the fit was perfect. It allowed me to route my lines cleanly without any kinks." Another customer, who fitted it on a 2021 Subaru WRX, stated, "This adapter made it easy to connect my gauges, and the blue anodized finish looks great against my engine bay." These real-world experiences highlight the fitting's reliability and user-friendly design.
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.
Universal Fitment: While this fitting is designed for universal applications, we recommend doing your due diligence to confirm compatibility with your vehicle. Proper installation is key to ensuring optimal performance.
⚠ 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.