2003 Toyota 4Runner

Oxygen Sensor

Part Number: 8946539855
Supersession(s): 89465-39855

Fits 4Runner, Tacoma

Oxygen Sensor - Repair or Replace
A failed Oxygen Sensor will often have no noticeable symptoms beyond a check engine light, but it does cause your 2003 Toyota 4Runner to operate inefficiently and produce higher emissions. Our technicians have access to manufacturer-approved repair processes and Toyota genuine parts.

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Diagram O2 Sensors for your 2003 Toyota 4Runner
From 199501 to 199808.
00000A 0; VZN160,170..R; REAR;
From 199511 to 199807.
From 199807 to 200008.
0000220201 0; 00001I 0200 0; VZN185;RZN185..5F; RZN185..5F;VZN185..SR5V; REAR;
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