8946550220 Toyota SENSOR, OXYGEN, Price: 183.65$, Weight: 0.116kg


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

Toyota

8946550220

SENSOR, OXYGEN

8

0.116

2-3

183.65$

 

Originals

Make Number Name Availability Weight, kg Processing, days Price  
Toyota
8946550220 
SENSOR, OXYGEN
5
0.133
 Dispatch 24h
220.38$
 

Substitutions

Make Number Name Availability Weight, kg Processing, days Price  
Toyota
SZ91045322 
BELT, V(FOR FAN & ALTERNATOR)
2
0.277
2-3
19.98$
 

Compatibility

DescriptionModelOptionsProd PeriodDiagram
USF4#USF40L-AEZGKWATM,MTM: AUTOMATIC TRANSMISSION; Driver's Position: LEFT-HAND DRIVE VEHICLES; Fuel Induction: HIGH EFFICIENCY TWIN CAM; Engine: (1URFE) 4600CC 32-VALVE DOHC EFI; Destination: EUROPE08.2006 - 09.2010 View

Premium Oxygen Sensor for Precise Fuel Control

Keep your Toyota engine efficient and clean with a fresh O2 sensor. It sends real-time oxygen data to the ECU, allowing perfect air–fuel mix. The result: smoother idle, better throttle response, lower emissions, and improved fuel economy .

Why you need it

Over time, exhaust heat and contaminants slow the sensor’s response. Replacing it restores closed‑loop fueling, protects the catalytic converter, and helps pass emission tests.

How it works

Installed in the exhaust stream, a zirconia element compares outside air to exhaust gas and generates a voltage that switches around stoichiometric (lambda = 1). An integrated heater brings it up to temperature fast, so the ECU can adjust short‑ and long‑term fuel trims for optimal performance ⚙️.

What happens if it fails

  • Higher fuel consumption and rough idle
  • Sluggish acceleration, sulfur smell, sooty tailpipe
  • Check Engine Light (common codes P0130–P0135, P0133)
  • ECU falls back to open loop, risking catalytic damage and failed inspection

Installation tips

Soak threads with penetrant, remove with an O2 socket, avoid touching the sensing tip, route the harness away from heat, then clear codes and perform a warm‑up drive to relearn trims.

Compatibility

  • Dyna