🚀 Elevate Your Ride with Precision Engineering!
The QFS Air Fuel Ratio O2 Sensor LSU 4.9 is a high-performance, 5-wire oxygen sensor designed for universal fitment. It ensures reliable operation for over 100,000 miles, making it ideal for vehicles with performance upgrades. With durable construction and quiet operation, this sensor is backed by a lifetime warranty and dedicated customer service.
M**.
fits AEM air fuel ratio gauge
My 350 Z with twin turbos goes through 1 per year this is the first time using this brand Iwill recap later on how it works on high horse power PS can't beat the price
D**E
I got what I ordered
It was as advertised.
C**R
Fixed my o2 sensor issue
Corrected my o2 sensor issue in my BMW 335xi
A**E
QFS FUEL RATIO O2 SENSOR WORKS GREAT. FAST DELIVERY TO!
Great product and fast delivery.
M**H
Errored out with my gauge after just 20 minutes.
Lasted less than 20 min before causing errors on my Innovate gauge.
M**T
Exactly what it says it is
Fast delivery, exactly as described
N**K
Very good quality well made
Very good quality well made , fits my e90 n46 perfectly .Very well made .Thank you alot.
G**Y
Works as it should
So far so good. Thank you.. update it lasted 5 months and called it quits.
Trustpilot
1 day ago
2 weeks ago