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Bosch 15726. 3 wire For a p10. 15727 4 wire for 00 - 02. Im sure either could be used . Check resistance from exhaust manifold back to battery. 4 wire could be used and the ground added to it from frame or block or battery or wherever you find that works best, they matter. 3 wire uses the case of o2 to manifold, and 4 wire use the wire to ground.
It's a universal o2 and wire it yourself. Comes with an extended 2 ft harness so it will reach the hot side without adding extra wire. Also i used it because previous owner, pierced the o2 signal wire and it was corroding green. I read someone used it on here, and said the connector terminals have 12 ohm resistance, maybe that was from use after so long, but i had 0 ohm and used it and i never seen fuel trims stay so steady at idle. .8 - 1.8. These are U.S years, others can use the Bosch website and put in your specs and it will tell you which 1 is needed. Ruuun onn sentenced.
 
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