---
product_id: 660540641
title: "Trexflow TF Digital Wide Band AFR Gauge with OEM Sensor for 30-4100, 30-4110 Vehicles"
brand: "trexflow tf"
price: "A$271"
currency: AUD
in_stock: true
reviews_count: 5
category: "Trexflow Tf"
url: https://www.desertcart.com.au/products/660540641-trexflow-tf-digital-wide-band-afr-gauge-with-oem-sensor
store_origin: AU
region: Australia
---

# 30-color-coded LED for instant AFR status 4-digit precise digital readout OEM LSU4.9 sensor included for plug-n-play Trexflow TF Digital Wide Band AFR Gauge with OEM Sensor for 30-4100, 30-4110 Vehicles

**Brand:** trexflow tf
**Price:** A$271
**Availability:** ✅ In Stock

## Summary

> 🚗 Tune Smarter, Drive Stronger — Stay Ahead with Trexflow Precision!

## Quick Answers

- **What is this?** Trexflow TF Digital Wide Band AFR Gauge with OEM Sensor for 30-4100, 30-4110 Vehicles by trexflow tf
- **How much does it cost?** A$271 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/660540641-trexflow-tf-digital-wide-band-afr-gauge-with-oem-sensor)

## Best For

- trexflow tf enthusiasts

## Why This Product

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

## Key Features

- • **Built for the Pros:** Robust 52mm gauge designed to endure harsh automotive environments and vibrations.
- • **Precision at a Glance:** 4-digit central display ensures you never miss a critical AFR reading.
- • **Instant Visual Feedback:** 30-color LED sweep instantly signals your engine’s fuel mix health.
- • **Plug & Play Performance:** Includes OEM LSU4.9 sensor for seamless compatibility with 30-4100/30-4110 models.
- • **Tuning Made Transparent:** Wideband analog output (0-5V) supports advanced engine tuning and diagnostics.

## Overview

The Trexflow TF Digital Wide Band AFR Gauge with OEM LSU4.9 sensor delivers ultra-precise air-fuel ratio monitoring via a clear 4-digit digital display and a sweeping 30-color LED indicator. Designed for 30-4100 and 30-4110 vehicle models, this 52mm gauge offers robust build quality and wideband analog output, making it an essential tool for professional tuners and automotive enthusiasts aiming for peak engine performance and reliability.

## Description

Trexflow TF Digital Wide band Air Fuel Ratio Gauge with OEM Sensor 4 digits AFR Gauge interchange 30-4100

Review: Worked great.
Review: The Trexflow TF Digital Wide Band Air Fuel Ratio Gauge (TF-AFR-11) is a high-performance device designed to monitor the air-fuel ratio (AFR) in vehicles. This gauge comes with an OEM sensor and features a digital display that provides accurate readings, making it an essential tool for tuning and optimizing engine performance. Pros: Accurate Readings: The wide band technology provides precise AFR measurements, which is crucial for tuning performance engines and ensuring optimal combustion. User-Friendly Display: The 4-digit digital display is clear and easy to read, even in bright light conditions, allowing for quick assessment of engine performance. OEM Sensor Included: The package comes with a high-quality OEM sensor, ensuring compatibility and reliability right out of the box. Interchangeable with Other Models: The gauge is designed to interchange with popular models such as 30-4100 and 30-4110, offering flexibility for users with different setups. Robust Build Quality: Made with durable materials, the gauge is built to withstand the rigors of automotive environments, including vibrations and temperature changes. Cons: Requires Professional Installation: While it is user-friendly, installing the gauge may require some mechanical knowledge and tools, making it less accessible for beginners. Calibration Needs: Users may need to calibrate the sensor periodically for the most accurate readings, which could be a drawback for those who prefer a more maintenance-free experience. Potential Lag in Readings: Some users report a slight delay in the gauge's response time to changes in AFR, which could affect immediate tuning adjustments. Ideal Use Cases: Performance Tuning: Perfect for automotive enthusiasts and tuners looking to optimize engine performance by monitoring AFR in real-time. Engine Diagnostics: Useful for diagnosing issues related to fuel mixtures, helping to identify lean or rich conditions that can lead to engine problems. Racing Applications: A valuable tool for racers needing to fine-tune their vehicles for optimal performance on the track. Overall The Trexflow TF Digital Wide Band Air Fuel Ratio Gauge is a reliable and accurate tool for anyone serious about engine performance. With its high-quality OEM sensor, clear digital display, and robust design, it caters well to both enthusiasts and professionals in the automotive field. While installation may require some expertise, the benefits of precise AFR monitoring far outweigh this minor inconvenience, making it a worthwhile investment for those looking to enhance their vehicle's performance.

## Features

- [Features]: OEM LSU4.9 Sensor included.
- [Features]: 4- digits central readout and sweeping 30-color-coded LED display;
- [Spec.]: 52mm (2-1/16”) Universal UEGO AFR gauge; 12 VDC, with Wide band analog output 0-5V
- [Display Mode:] Gasoline AFR 9.5-20; Methanol AFR 4.21-8.84; Lambda 0.65-1.366; CNG AFR 9.43-19.81
- [Package includes:] AFR Gauge, Gauge Wire Harness, Sensor Wire Harness, LSU 4.9 Wide band Sensor, Weld-In Sensor Bung&Plug, Sun Shade hood, Mounting Bracket & Install hardware.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D84C1JDN |
| Item model number | TF-AFR-11 |
| Manufacturer | TREXFLOW |
| Product Dimensions | 16 x 16 x 6.86 cm; 902.65 g |

## Product Details

- **Brand:** TREXFLOW TF
- **Item dimensions L x W x H:** 16 x 16 x 6.9 centimeters
- **Item weight:** 903 g
- **Manufacturer:** TREXFLOW
- **Material:** Plastic

## Images

![Trexflow TF Digital Wide Band AFR Gauge with OEM Sensor for 30-4100, 30-4110 Vehicles - Image 1](https://m.media-amazon.com/images/I/51l2hpDvbjL.jpg)
![Trexflow TF Digital Wide Band AFR Gauge with OEM Sensor for 30-4100, 30-4110 Vehicles - Image 2](https://m.media-amazon.com/images/I/71gpOs4t0TL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐ Review
*by S***E on 4 December 2025*

Worked great.

### ⭐⭐⭐⭐⭐ Review
*by F***S on 30 October 2024*

The Trexflow TF Digital Wide Band Air Fuel Ratio Gauge (TF-AFR-11) is a high-performance device designed to monitor the air-fuel ratio (AFR) in vehicles. This gauge comes with an OEM sensor and features a digital display that provides accurate readings, making it an essential tool for tuning and optimizing engine performance. Pros: Accurate Readings: The wide band technology provides precise AFR measurements, which is crucial for tuning performance engines and ensuring optimal combustion. User-Friendly Display: The 4-digit digital display is clear and easy to read, even in bright light conditions, allowing for quick assessment of engine performance. OEM Sensor Included: The package comes with a high-quality OEM sensor, ensuring compatibility and reliability right out of the box. Interchangeable with Other Models: The gauge is designed to interchange with popular models such as 30-4100 and 30-4110, offering flexibility for users with different setups. Robust Build Quality: Made with durable materials, the gauge is built to withstand the rigors of automotive environments, including vibrations and temperature changes. Cons: Requires Professional Installation: While it is user-friendly, installing the gauge may require some mechanical knowledge and tools, making it less accessible for beginners. Calibration Needs: Users may need to calibrate the sensor periodically for the most accurate readings, which could be a drawback for those who prefer a more maintenance-free experience. Potential Lag in Readings: Some users report a slight delay in the gauge's response time to changes in AFR, which could affect immediate tuning adjustments. Ideal Use Cases: Performance Tuning: Perfect for automotive enthusiasts and tuners looking to optimize engine performance by monitoring AFR in real-time. Engine Diagnostics: Useful for diagnosing issues related to fuel mixtures, helping to identify lean or rich conditions that can lead to engine problems. Racing Applications: A valuable tool for racers needing to fine-tune their vehicles for optimal performance on the track. Overall The Trexflow TF Digital Wide Band Air Fuel Ratio Gauge is a reliable and accurate tool for anyone serious about engine performance. With its high-quality OEM sensor, clear digital display, and robust design, it caters well to both enthusiasts and professionals in the automotive field. While installation may require some expertise, the benefits of precise AFR monitoring far outweigh this minor inconvenience, making it a worthwhile investment for those looking to enhance their vehicle's performance.

### ⭐⭐⭐⭐ Review
*by L***A on 16 April 2025*

This has all you need for install, husband says it works great.

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.com.au/products/660540641-trexflow-tf-digital-wide-band-afr-gauge-with-oem-sensor](https://www.desertcart.com.au/products/660540641-trexflow-tf-digital-wide-band-afr-gauge-with-oem-sensor)

---

*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-03-04*