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Vivid Racing Gear 
AutoMeter P32121 Fuel Rail Pressure Gauge
In the world of modern direct-injected diesel engines, keeping an eye on ultra-high pressures is crucial for maintaining engine longevity and optimizing power output. The AutoMeter P32121 Fuel Rail Pressure Gauge is designed to provide precise monitoring, ensuring you always have accurate readings at your fingertips. With its advanced Digital Stepper Motor Drive technology, this gauge delivers professional-grade reliability and smooth pointer movement, making it an essential tool for any serious driver.
This gauge connects seamlessly to your factory sensor using the included wiring harness, allowing for a hassle-free installation.
Specifications
- Gauge Size: 2-1/16 inches (52.4mm)
- Pressure Range: 0-30,000 PSI
- Gauge Type: Fuel Rail Pressure
- Bezel Color: Chrome
- Bezel Style: Round Shoulder
- Face Color: Silver
- Lens: Domed Clear
- Lighting Type: LED with 7 User Selectable Colors
- Movement Type: Electric Digital Stepper Motor
- Outer Bezel Diameter: 2.360 inches
- Pointer Color: Fluorescent Red
- Hole Size: 52.1mm
- Size: 2.3125 inches
- WARNING CA Proposition 65: Yes
- WARNING CA Proposition 65 Message: This product can expose you to chemicals known to the State of California to cause cancer. For more information, visit www.p65warnings.ca.gov.
Key Features
- Precision monitoring for high-pressure diesel applications
- Advanced Digital Stepper Motor Drive for accurate readings
- Smooth pointer movement for easy visibility
- Customizable lighting options to suit your style
- Universal fitment for easy installation
What Users Are Saying
"The AutoMeter P32121 has made a noticeable difference in my ability to monitor fuel rail pressure. The readings are spot on, and the LED lighting is a great touch for night driving!"
"Installation was straightforward with the provided wiring harness. It's reassuring to know I can keep track of my engine's performance accurately."
Fitment Notes
Universal Fitment: This gauge is designed for universal fitment, making it compatible with a variety of vehicles. It's recommended to conduct your own research to confirm compatibility with 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.
| Sale price | $282.95 |
| Wholesale price | $259.49 |
| Shipping |
Weight: 0.80 Length: 6 Width: 6 Height: 5 |
| Product Added At | Thursday 29 March, 2018 |
| Product Modified At | Friday 11 July, 2025 |
| Imported By | ETLOverride |
| Last Edited By | Turn_API |
| View In Admin |
| Carb Approved | - |
|---|---|
| Carb Number | - |
| Epa Status | N/A |
| Prop65 | Unknown |
| Carb Required | - |
| Vendor | Inv | Cost | Retail | Jobber | MAP | Core | Updated | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Turn 14 | $219.91 | $314.16 | $314.16 | ? | ? | 2025-07-11 10:06:28 |
