8946535680 Toyota SENSOR, OXYGEN NO.2, Price: 156.24$, Weight: 0.136kg


Make Number Name Availability Weight, kg Ship in, Days Price

Toyota

8946535680

SENSOR, OXYGEN NO.2

51

0.136

2-3

156.24$

 

Originals

Make Number Name Availability Weight, kg Processing, days Price  
Toyota
8946535680 
SENSOR, OXYGEN NO.2
22
0.156
 Dispatch 24h
187.49$
 

Compatibility

DescriptionModelOptionsProd PeriodDiagram
GRN21#,UZN21#GRN215L-GKAZKAATM,MTM: AUTOMATIC TRANSMISSION; Grade: LIMITED TYPE; Gear Shift Type: ATM, 5-SPEED FLOOR SHIFT; Engine: (1GRFE) 4000CC 24-VALVE DOHC EFI08.2004 - 08.2009 View
DescriptionModelOptionsProd PeriodDiagram
GSJ1#GSJ15L-GKFSKAATM,MTM: MANUAL TRANSMISSION; Engine: (1GRFE) 4000CC 24-VALVE DOHC EFI; Destination: UNITED STATES OF AMERICA01.2006 - 07.2014 View
DescriptionModelOptionsProd PeriodDiagram
GRN215,KDN215,RZN21#,TRN21#,VZN21#GRN215W-GKAXKATM,MTM: AUTOMATIC TRANSMISSION; NO. Of Doors: 5-DOOR; Grade: SSR-X TYPE; Fuel Induction: ELECTRIC FUEL INJECTION SYSTEM; Gear Shift Type: ATM, 5-SPEED FLOOR SHIFT; Engine: (1GRFE) 4000CC 24-VALVE DOHC EFI08.2005 - 08.2009 View
DescriptionModelOptionsProd PeriodDiagram
GRJ12#,KDJ120,KZJ120,LJ12#,RZJ12#,TRJ12#GRJ125L-GJAGKVATM,MTM: AUTOMATIC TRANSMISSION; NO. Of Doors: 3-DOOR; Driver's Position: LEFT-HAND DRIVE VEHICLES; Grade: VX TYPE; Gear Shift Type: ATM, 5-SPEED FLOOR SHIFT; Engine: (1GRFE) 4000CC 24-VALVE DOHC EFI; Destination: GULF CORPORATION COUNCIL08.2004 - 08.2009 View

Downstream Oxygen Sensor for Toyota SUVs

This post‑cat O2 sensor keeps your Toyota running clean, efficient, and compliant. Mounted after the catalytic converter, it lets the ECU confirm catalyst efficiency and fine‑tune fuel trims for stable power, smooth idle, and lower emissions .

Why you need it

Heat, age, and contaminants slow the sensor and wear the heater. Replacing it restores MPG, throttle response, and helps pass inspection. It also protects the catalytic converter from rich running and excess fuel in the exhaust.

How it works

A zirconia lambda cell compares oxygen inside the exhaust to outside air, generating a 0.1–0.9 V signal. An internal heater speeds warm‑up for quick closed‑loop control. The ECU compares upstream vs. downstream signals: a steady downstream pattern means the cat is storing oxygen and cleaning gases .

What happens if it’s bad

Check Engine Light ⚠️, poor fuel economy ⛽, rough idle, sulfur/sooty exhaust, failed emissions, and codes like P0136 or P0141. Long‑term neglect can overheat or damage the catalytic converter.

Tech notes

Install in the rear bung after the cat. Fix exhaust leaks first, use a 22 mm O2 socket, add nickel anti‑seize (not on tip), torque to spec, clear codes, and complete a drive cycle.

Compatibility

  • 4Runner
  • FJ Cruiser
  • Hilux Surf
  • Land Cruiser Prado