4pcs O2 Oxygen Sensor Kit For Toyota Sequoia Tundra 2001-04 – Upstream & Downstream – Happy19star

Get your Toyota running right with this 4-piece oxygen sensor kit from happy19star!

It fits 2001-2004 Toyota Tundra and Sequoia.

The kit includes both upstream and downstream sensors, covering all four positions.

They're direct replacement, with a screw-on attachment and 4 wires.

They're heated, narrow-band sensors with a metal housing and a 7/8-inch hex.

Thread size is M18.

They come with a manufacturer warranty.

Interchange numbers include ASG823 and A13441.

If your check engine light is on or your fuel economy is bad, bad O2 sensors could be the culprit.

Replace all four at once and get back to smooth running.

Get this complete set and breathe new life into your Toyota!