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4Pcs Upstream and Downstream Oxygen O2 Sensors Compatible with Toyota 2007 2006 2005 Sequoia,2006 2005 Tundra,for 2007 2006 Toyota Land Cruiser Lexus Lx470 V8 4.7L 02 Sensor 234-9051 234-4260
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4Pcs Air Fuel Ratio & Oxygen Sensors

for Toyota Sequoia Tundra & Lexus LX470
🏷️ Replaces OE: 234-9051 234-4260
Out of stock
$89.95
Final: $85.45 -5% OFF
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⚙️ Sensor Installation Blueprint
ENGINE CATALYTIC CONVERTER UPSTREAM (SENSOR 1)Exhaust Manifold (Engine Side) DOWNSTREAM (SENSOR 2)Exhaust Pipe (After Converter)
👨‍🔧 Mechanic's Installation Notes:

This is a COMPLETE SET (Upstream & Downstream). O2 sensors wear out at the same rate (typically 80k-100k miles).
Installation: Upstream sensors screw into the exhaust manifold near the engine. Downstream sensors screw into the pipe after the catalytic converter under the car.

Common Error Codes: P0131, P0171, P0420, P0430
Expert Recommendation: Replacing all sensors together ensures optimal engine performance and saves you from paying mechanic labor costs twice.

Automotive-Leader Sensors

Vehicle Compatible

Year 
Make
Model
Engine
Notes
2005-2007
Toyota
Land Cruiser
4.7L V8
2005 models from 05/2005 production
2005-2007
Toyota
Sequoia
4.7L V8
2005-2006
Toyota
Tundra
4.7L V8
2006
Toyota
Tundra
4.0L V6
2005-2007
Lexus
LX 470
4.7L V8
2005 models from 05/2005 production

 

Product Specifications

Category
Upstream Sensor (234-9051)
Downstream Sensor (234-4260)
Core Part Number
Main: 234-9051
Main: 234-4260
Full Interchange List
2349051, 8946704020, 894670C010, 8946730010, 8946750030, 8946750040, 8946760020, 8946771020
2344260, 8946504300, 8946504320, 8946504340, 8946504350, 8946506200, 8946506250, 8946507050, 8946507070, 894650C160, 894650C170, 894650C180, 894650D040, 894650T030, 8946533360, 8946533460, 8946535680, 8946536040, 8946560250, 8946560290, 8946560300, 8946560320, 8946560330, 89465BZ110
Position
Upstream/Front/Pre-catalyst
Downstream/Rear/Post-catalyst
Key Parameters
 Type: Heated
 Harness: 4-wire, 8.66 in (220mm), Male
 Thread: 0.711 in (18.06mm)
 Type: Heated
 Harness: 4-wire, 9.45 in (240mm), Male
 Thread: 0.708 in (18.0mm)
Warranty
2 Years (Specific Fit)
2 Years
Key Features
Precise air-fuel ratio feedback, optimizes combustion
Monitors catalyst efficiency, ensures emission compliance

 

Package Included: 4pcs Sensors

234-4260: 1PCS Upstream Front;  Bank 2 Sensor 1; 

234-4260: 1PCS Upstream Rear;  Bank 1 Sensor 1;  

234-9051: 1PCS Downstream Rear; Bank 1 Sensor 2;

234-9051: 1PCS Downstream Front;  Bank 2 Sensor 2

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