--- product_id: 260920770 title: "AEM 30-0300 X-Series Wideband UEGO AFR Sensor Controller Gauge" brand: "aem" price: "NT$412" currency: TWD in_stock: false category: "Aem" url: https://www.desertcart.tw/products/260920770-aem-30-0300-x-series-wideband-uego-afr-sensor-controller store_origin: TW region: Taiwan --- # fastest response time 52mm compact size CANbus daisy-chain up to 16 cyl AEM 30-0300 X-Series Wideband UEGO AFR Sensor Controller Gauge **Brand:** aem **Price:** NT$412 **Availability:** ❌ Out of Stock ## Summary > 🚀 Tune Smarter, Drive Safer — The Ultimate Wideband Gauge for the Millennial Pro ## Quick Answers - **What is this?** AEM 30-0300 X-Series Wideband UEGO AFR Sensor Controller Gauge by aem - **How much does it cost?** NT$412 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/260920770-aem-30-0300-x-series-wideband-uego-afr-sensor-controller) ## Best For - aem enthusiasts ## Why This Product - Trusted aem brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Precision Meets Power:** X-Digital tech captures ultra-accurate AFR fluctuations for optimized tuning and safety. - • **Seamless Connectivity:** 0-5V, RS232, and AEMnet outputs enable advanced data logging and multi-cylinder integration. - • **Compact Yet Commanding:** 52mm diameter with ultra-slim 0.825” depth fits tight spaces without sacrificing visibility. - • **Plug & Play Confidence:** Factory calibration plus Bosch 4.9LSU sensor compatibility means rapid setup and reliable readings. - • **User-Centric Customization:** Configurable display modes, auto-dimming, and free-air calibration keep you in control effortlessly. ## Overview The AEM 30-0300 X-Series Wideband UEGO AFR Sensor Controller Gauge is a precision 52mm gauge featuring an 87% larger seven-segment display, ultra-slim profile, and advanced X-Digital wideband technology. It offers lightning-fast response times, multiple output options including CANbus for daisy-chaining up to 16 cylinders, and user-configurable displays with auto-dimming. Compatible with Bosch 4.9LSU sensors and supporting free-air calibration, it delivers reliable, factory-calibrated accuracy for optimized engine tuning across various fuels and applications. ## Description Buy AEM 30-0300 X-Series Wideband UEGO AFR Sensor Controller Gauge online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase. ## Features - The X-Series wideband UEGO AFR sensor controller gauge (PN 30-0300) features a modern, visually striking faceplate and new seven-segment, center display that is 87% larger than the 30-4110 AEM - The gauge includes a 0-5v and RS232 Serial Port output for feedback control and data logging, and an AEMnet (CANbus) output for data logging - X-Digital wideband technology gives these controllers the ability to read and report values that other controllers do not, which can deliver more optimized engine tuning and a safer overall operating condition - Faster response time improves wideband feedback control, and can provide a safer, more powerful and accurate tune - When tuning an engine using wideband AFR feedback control on an inertia dyno, dead time affects the data you are looking at because it is reported in a different operating location than when it actually occurred ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0184TSI84 | | Best Sellers Rank | #24,035 in Automotive ( See Top 100 in Automotive ) #2 in Automitive Electrical Air & Fuel Ratio | | Brand Name | AEM | | Customer Reviews | 4.6 4.6 out of 5 stars (2,157) | | Global Trade Identification Number | 00840879024437 | | Included Components | X-Series Wideband UEGO AFR Sensor Controller Gauge | | Item Type Name | Gauges | | Item Weight | 0.01 Ounces | | Manufacturer | AEM | | Material Type | Plastic | | Model | 30-0300 | | Number of Items | 1 | | Number of Packs | 1 | | Part Interchange Info | 30-0300 | | Part Number | 30-0300 | | UPC | 840879024437 | | Unit Count | 1 Count | | Warranty Description | Warranty | ## Product Details - **Brand:** AEM - **Item weight:** 0.01 Ounces - **Material:** Plastic - **Number of Items:** 1 - **Unit count:** 1 Count ## Images ![AEM 30-0300 X-Series Wideband UEGO AFR Sensor Controller Gauge - Image 1](https://m.media-amazon.com/images/I/41IxBhOHi7L.jpg) ![AEM 30-0300 X-Series Wideband UEGO AFR Sensor Controller Gauge - Image 2](https://m.media-amazon.com/images/I/417JOeUiAtL.jpg) ![AEM 30-0300 X-Series Wideband UEGO AFR Sensor Controller Gauge - Image 3](https://m.media-amazon.com/images/I/31lntPaWSLL.jpg) ![AEM 30-0300 X-Series Wideband UEGO AFR Sensor Controller Gauge - Image 4](https://m.media-amazon.com/images/I/41B3YtgX1gL.jpg) ![AEM 30-0300 X-Series Wideband UEGO AFR Sensor Controller Gauge - Image 5](https://m.media-amazon.com/images/I/31GTzHgr8oL.jpg) ## Questions & Answers **Q: Is it compatible with standard hp tuners vcm scanner for data logging?** A: Yes **Q: do I need 30-0310 also or is this complete?** A: No need, the aem 30-0300 is a complete kit. The controller is in the gauge itself. **Q: Does this come with a bosch 4.9 lsu?** A: yes **Q: How do you mount this? Do i have to buy a seperate mounting device?** A: HelloWe usually mount it with this gauge pod Autometer 2204 or same oneIt sells separate https://www.amazon.com/Auto-Meter-2204-Mounting-Cup/dp/B0009RUXPG/ref=sr_1_2?ie=UTF8&qid=1491381219&sr=8-2&keywords=2204 ## Frequently Bought Together - AEM 30-0300 X-Series Wideband UEGO AFR Sensor Controller Gauge - HP Tuners PROLINK+ Cable with Analog and CAN Bus inputs for External Sensors Using MPVI2+ and MPVI3 OBD2 Scan Tools, Cable Only - GlowShift Universal Black Single Gauge Swivel Dashboard Pod - Fits Any Make/Model - Swivels 360 Degrees - ABS Plastic - Mounts (1) 2-1/16" (52mm) Gauge to Vehicle's Dash --- ## 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.tw/products/260920770-aem-30-0300-x-series-wideband-uego-afr-sensor-controller](https://www.desertcart.tw/products/260920770-aem-30-0300-x-series-wideband-uego-afr-sensor-controller) --- *Product available on Desertcart Taiwan* *Store origin: TW* *Last updated: 2026-10-02*