O2 sensor replacement--wrong one?

[Brorag]

I called in an order for replacement O2 sensor for my '87 911, and was sent:

PEL-SW85-2438 $85.00 1 $85.00
Replacement Oxygen Sensor

It has 1 black wire vs. three on the original. Searching this site shows the 2 white wires are for heating sensor.

Should I trust that Pelican sent me a suitable substitute, or should I install a three wire unit?

jd

[tonythetarga]

The single wire sensors are for SC's. You need the three wire sensor.