Passenger side oxygen sensor

[BigMike18]

Bought a new cat and exhaust, should I replace the oxygen sensor in it I’m on 200K miles and if so where should I buy it that isn’t gonna cost my life savings for this little thing

 

[xtremewlr]

Bought a new cat and exhaust, should I replace the oxygen sensor in it I’m on 200K miles and if so where should I buy it that isn’t gonna cost my life savings for this little thing

Yes. RockAuto.com