Reddit reviews NTK 25044 Oxygen Sensor
We found 1 Reddit comments about NTK 25044 Oxygen Sensor. Here are the top ones, ranked by their Reddit score.
Dual-coated platinum element for increased longevity3-stage element overcoat protects against contaminationFast light-off times decrease emissions and improve fuel economyPure alumina ceramic filters against exhaust gasWater resistant connector protects against contamination related failures
I used identical sensors (now, in full disclosure, I used NGK sensors) in all four locations. My god be with you getting to some of the harness connectors.
This is precisely what I used, with 20k of smooth operation thus far: http://www.amazon.com/NGK-25044-Oxygen-Sensor-Packaging/dp/B001PNG622#
For sake of discussion I have a 1998 Discovery LE (north American).
While you're at it, drop in a set of 4hole injectors and replace the old single squirters.
Link for injectors I used: http://pages.ebay.com/motors/link/?nav=item.view&id=131681285103&alt=web