My Account
My Garage
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order
MY GARAGE Select Vehicle
MY GARAGE

AutoMeter 4381 Boost Controller Gauge 2-1/16" Digital 30inHg-30PSI

Manufacturer

Picture for manufacturer AutoMeter

Part Number

4381
11 reviews
Sale Price

$507.82

Estimated ship date Friday, November 27

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The AutoMeter 4381 is a professional-grade digital boost controller gauge that delivers comprehensive turbo boost management in a compact 2-1/16" package. This advanced controller goes beyond basic boost control, offering multiple programming modes and safety features designed to protect your engine while maximizing performance.

Advanced Control Modes:

  • User programmable high/low boost settings for different driving conditions
  • Boost by gear programming allows custom boost levels for each gear
  • Boost by RPM mode enables boost control based on engine speed
  • Scalable display range tailored to your specific application

Safety and Monitoring Features:

  • Progressive overboost warning system with visual LED alerts
  • Programmable boost shutdown mode prevents engine damage
  • Peak boost recall function tracks maximum boost levels
  • Patented Pro-Control input triggers safety mode when external sensors detect issues

Pro-Control Output System:

  • Automatically activates auxiliary systems at user-defined boost levels
  • Perfect for controlling water/methanol injection, nitrous systems, or other power adders
  • Configurable data logger output for ECU or standalone data logger integration

Display and Programming:

  • Digital LED display with red LED backlighting and color-coded boost segments (red/yellow/green)
  • EZ on-controller programming requires no external modules
  • Display pressure in PSI, BAR, or kPa with real-time barometric compensation
  • Intuitive menu system with revolutionary gear capture process

Specifications:

  • Size: 2-1/16" diameter with Super Bezel design
  • Range: 30 inHg vacuum to 30 PSI boost
  • Bezel: Brushed aluminum finish
  • Lens: Flat, clear
  • Dial: Silver with digital movement

Complete Kit Includes:

  • 6-foot plug-and-play wiring harness
  • MAP sensor for accurate pressure measurement
  • Boost control solenoid valve

Applications: Ideal for single or twin turbo gasoline applications. Not compatible with diesel engines or wastegate-less turbo setups.

Products specifications

Bezel Color

Brushed aluminum

Size

2.3125 in.

Face Color

Silver

Hole size

0.0625 in.

Bezel Style

Super Bezel

Boost

0 to 30 PSI

Gauge Size

2.0625 in.

Hole size

52.4mm

Gauge Size

52.4mm

Gauge Type

Boost Controller

Lighting Type

Digital LED

Lighting Color

Red LED/Red Yellow Green Segments

Outer Bezel Diameter

2.250 in.

Lens

Flat Clear

Movement Type

Digital

Prop 65

Warning: This product can expose you to chemicals; which are known to the State of California to cause cancer. For more information; visit www.p65warnings.ca.gov.

Lighting Color

Red LCD/Red Yellow Green Segments

Easy to navigate to choice of parts

Great place buy what you need for your vehicle. They mad it easy and simple to purchase exactly what I needed right away. Confirmed and shipped it within 24 hours. I would highly recommend using them for all your vehicle needs.

Gorilla Automotive VS404-C Snap In Valve Stems

Pretty easy transaction

Great price on the part I needed. Fast shipping and good notifications of my order status. Will definitely keep them in mind for future purchases.

Wanted to buy my parts on another audtion site but found the price much better on Autoplicity, and the service seems friendly.

Fantastic prices and fast shipping!! Looks like I'm done with Jeg's and Summit!!

so far so good

Great pricing and delivered in 3 days.

Fast Shiping Good Services Verry Good Pricing

Great selection if parts, fast shipping!

Share icon
Return Policy
Returns are easy at THMotorsports

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy