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Brake cleaner or MAF cleaner. Otherwise try to x-reference the O2 to a Denso or Bosch part. Anti-seize is not "needed" but without it the sensor can become near impossible to remove later on. $130 is fair for a wideband but robbery for a narrow band. NB use 2- 4 wires, WB use 4-6 wires.
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22 Templar 250
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