Skip to product information
Usually ships in 2–4 business days.
UEGO Wideband O2 Air Fuel Ratio Gauge AFR 52mm w/4.9 LSU Sensor 30-4110
$223.99
Sale price
$223.99
Regular price
Available to Order
This 52mm UEGO wideband air/fuel ratio gauge kit provides real-time AFR readings and includes a 4.9 LSU oxygen sensor for compatible performance and tuning applications.
Not sure which part fits your equipment?
Our Northline Parts team can help you find the right replacement. Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT | Live Chat: Available 24/7
I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks
Edward H. — Verified customer
Product Overview
This wideband gauge kit gives drivers and tuners a clear view of the engine’s air-to-fuel ratio, making it easier to monitor mixture changes under idle, cruise, and load. The compact 52mm display fits many common gauge pods and keeps important fuel-mixture information easy to read from the driver’s seat.
When comparing kits, confirm the gauge size, wiring requirements, sensor connector, and reference number 30-4110.
Key Features & Performance
- Displays real-time air/fuel ratio information
- Includes a 4.9 LSU wideband oxygen sensor
- 52mm size fits many standard gauge pods
- Useful for tuning, troubleshooting, and engine monitoring
Fitment & Compatibility
Designed for compatible gasoline-powered vehicles and custom engine setups that can accept a 52mm gauge and the included wideband sensor. Installation requirements vary by exhaust layout and electrical system.
Technical Specifications
- Product Type: Wideband Air/Fuel Ratio Gauge Kit
- Gauge Diameter: 52mm
- Sensor Type: 4.9 LSU Wideband O2 Sensor
- Reference Number: 30-4110
Frequently Asked Questions
Q: Does this kit include the oxygen sensor? A: Yes. The kit includes a compatible 4.9 LSU wideband oxygen sensor; compare the included components and connector style with your intended setup.
Q: Is this an original OEM part? A: No. This is a quality aftermarket replacement designed for compatible applications.
Verify sensor placement, wiring requirements, and gauge compatibility before installation.