---
product_id: 24663260
title: "APSX D2 Digital Wideband O2 Air Fuel Ratio Controller All-in-One 2 1/16\" (52mm) Gauge Blue"
brand: "apsx"
price: "R$57"
currency: BRL
in_stock: false
url: https://www.desertcart.com.br/products/24663260-apsx-d2-digital-wideband-o2-air-fuel-ratio-controller-all
store_origin: BR
region: Brazil
---

# 9600 baud digital output 5 vibrant LED color options 0-5V analog EMS/data logger output APSX D2 Digital Wideband O2 Air Fuel Ratio Controller All-in-One 2 1/16" (52mm) Gauge Blue

**Brand:** apsx
**Price:** R$57
**Availability:** ❌ Out of Stock

## Summary

> 🚗 Tune Like a Pro, See Every Drop: The APSX D2 Wideband Gauge

## Quick Answers

- **What is this?** APSX D2 Digital Wideband O2 Air Fuel Ratio Controller All-in-One 2 1/16" (52mm) Gauge Blue by apsx
- **How much does it cost?** R$57 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/products/24663260-apsx-d2-digital-wideband-o2-air-fuel-ratio-controller-all)

## Best For

- apsx enthusiasts

## Why This Product

- Trusted apsx brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Dynamic LED Sweep:** Visualize your air-fuel ratio instantly with a sweeping LED needle from rich green to lean red.
- • **On-Gauge Programming:** Adjust upper/lower limits and settings directly on the gauge—no PC or tablet needed.
- • **Plug-and-Play Precision:** Simplify your install with onboard controller and fail-safe locked connectors—no wiring headaches.
- • **Multi-Output Versatility:** Connect effortlessly to PCs, EMS, and data loggers with digital, analog, and simulated narrowband outputs.
- • **Customizable Fuel Profiles:** Switch seamlessly between E85, Diesel, Gasoline, and Methanol with four configurable fuel types.

## Overview

The APSX D2 Digital Wideband O2 Air Fuel Ratio Controller combines precision engineering with user-friendly design. Featuring a 2 1/16" polycarbonate gauge with anti-glare faceplate, it offers 9600 baud digital output, 0-5V analog output for EMS and data loggers, and a simulated narrowband output. With five LED color options and on-gauge programming, it supports multiple fuel types and ensures fail-safe installation, making it the ultimate tool for professional-grade air-fuel ratio monitoring.

## Description

Faceplates can be BLACK or WHITE Item Specifications: D2 wideband controller gauge features: 1 - Less wiring - controller on-board 2 - Simple installation - plug-and-play 3 - One of the five bright LED color options (Red / Green / Orange / Blue / White) per gauge for four configurable types of fuel (E85, Diesel, Gasoline and Methanol) and lambda display 4 - Sweeping LED "needle" indicator from rich (green) then normal (orange) to lean (red) 5 - Fail safe LOCKED connector - it is not possible to make a wrong connection 6 - Anti-glare faceplate - Non-destructable polycarbonate. Additional faces are paid extra 7 - Multiple outputs for digital (to PC), analog (to data logger / EMS), narrowband for simulation and extra switch options 8 - On-Gauge Programming Button - No need a PC or tablet for programming upper/lower limits and other settings OUTPUTS 1 - Analog 0-5V (9=19 AFR) linear output for engine management systems (EMS) and data loggers (MegaSquirt) 2 - Digital output is 9600 8N1 serial that can be connected to your PC 3 - Simulated NB output WIRING - APSX D2 has a 4ft output cable (5 cables / green-white-red-brown-black) - Red power cable goes to 12V source in your vehicle - Black cable goes to a grounded source such as battery ground (-) post - Green digital output is 9600 8N1 serial that can be connected to your PC - If you want to connect other devices such as data loggers or AFR gauges, you can use white analog cable for 0-5V output - Brown narrowband cable is for simulated NB In The Box: D2 gauge assembly, pre-assembled output and oxygen sensor cables with connectors and Bosch LSU4.2 (part# 17014). D2 assembly includes anti-glare faceplate, black bezel, bung and LED display.

## Features

- Analog output for engine management systems (EMS) and data loggers (MegaSquirt)
- Digital output is 9600 8N1 serial that can be connected to your PC
- Simulated NB output
- Configurable settings such as fuel type, lower/upper limits, calibration

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | APSX |
| Material | Polycarbonate (PC) |
| Item dimensions L x W x H | 2 x 1 x 2 inches |
| UPC | 881314598113 |
| Global Trade Identification Number | 00881314598113 |
| Manufacturer | APSX |
| Item Weight | 15.2 ounces |
| Product Dimensions | 2 x 1 x 2 inches |
| Item model number | APSX_D2_WRG |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | APSX_D2_WRG |

## Product Details

- **Brand:** APSX
- **Material:** Polycarbonate (PC)
- **Item dimensions L x W x H:** 2 x 1 x 2 inches
- **UPC:** 881314598113
- **Global Trade Identification Number:** 00881314598113

## Images

![APSX D2 Digital Wideband O2 Air Fuel Ratio Controller All-in-One 2 1/16" (52mm) Gauge Blue - Image 1](https://m.media-amazon.com/images/I/61BjU2aXPqL.jpg)
![APSX D2 Digital Wideband O2 Air Fuel Ratio Controller All-in-One 2 1/16" (52mm) Gauge Blue - Image 2](https://m.media-amazon.com/images/I/61-ihMIqEfL.jpg)
![APSX D2 Digital Wideband O2 Air Fuel Ratio Controller All-in-One 2 1/16" (52mm) Gauge Blue - Image 3](https://m.media-amazon.com/images/I/61Bw8buz-RL.jpg)
![APSX D2 Digital Wideband O2 Air Fuel Ratio Controller All-in-One 2 1/16" (52mm) Gauge Blue - Image 4](https://m.media-amazon.com/images/I/61GkK1aCnfL.jpg)
![APSX D2 Digital Wideband O2 Air Fuel Ratio Controller All-in-One 2 1/16" (52mm) Gauge Blue - Image 5](https://m.media-amazon.com/images/I/71k+jOdjcZL.jpg)

## Questions & Answers

**Q: What is the black dot/hole near the 12 on the faceplate?**
A: It is the daylight sensor that helps adjusting the dim on the LED display.

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**Shop now:** [https://www.desertcart.com.br/products/24663260-apsx-d2-digital-wideband-o2-air-fuel-ratio-controller-all](https://www.desertcart.com.br/products/24663260-apsx-d2-digital-wideband-o2-air-fuel-ratio-controller-all)

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*Product available on Desertcart Brazil*
*Store origin: BR*
*Last updated: 2026-02-22*