🚗 HFP-WBS42 LSU4.2 Wideband Oxygen Sensor - Compatible with Bosch - Equivalent to PLX AEM 30-2001 4100 0258007206 - Replacement Review

Works great with my broadband car meter. Looks like OEM quality. It also has long 24-inch suspension compared to the 15-inch Bosch version.

It doesn't have the Bosch logo like my original, which makes me think it's not the same brand, but the connector and overall design of the sensor is the same. Works correctly. AFR is accurate.

Bought these to replace a broken O2 sensor for my HD. I had broadband installed, used them to set up, they work fantastic! Essentially the same product as Bosch but cheaper. A win-win situation

The product spontaneously stopped working after one year. A car drives about 100 miles a year. I kept the old one which was a few points lower and it works great. He was in the car for four years before he got it right. It was Bosch.

I have to say the product speaks for itself, but what really impressed me was Quantum Fuel's A1 customer service. Martin, their customer service rep, helped me resolve an issue with one of the products I purchased, they dealt with it in a timely manner and also paid for shipping both ways. I will continue to use Quantum Fuel not only because the product is quality but the customer service goes above and beyond.

Works great on my 427 SBC with 12:1 compression. Bringing Phytech to market means Street EFI. Even Fiteh was shocked that I could run this 02 sensor and it worked great on leaded fuel. They asked me to send them the part number so they can bring it and test it at home. It's much easier to find leaded racing gas at gas stations than ordering 50 gallon 104 octane drums. I had to hook up the sensor to my Bosch connector but it was easy as the wire colors matched perfectly. I didn't solder the…