Denso 234-4209 Oxygen SensorIf you have a 2002 Toyota Tundra with codes P0135 (Bank 1/Drivers side) or P0155 (Bank 2/Passenger side) then you will want to replace the front sensor with a Denso brand sensor. These vehicles as well as the Tundra (both have the same engine and chassis) had quite a few problems with these Oxygen sensor and Toyota updated the sensors with a Technical Service Bulletin EG019-02.
