The NTK LZA-09E1 (previously known as the “L2H2″) is the current wideband sensor of choice for various ECUs.
The sensor is available with a 30cm loom.
Cables are made using 300C-rated silicone-impregnated glass fibre, and high quality thinwall automotive wire, sealed at each end with DR25 heatshrink sleeving.