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4Pcs O2 Sensor
for Toyota 4Runner 4.7L V8 (2003-2004)
Replaces OE: 234-4138 234-4260 234-4261
Resolves Symptoms:
Persistent Check Engine Light
Rough Idle
Poor Fuel Economy
Lean Hesitation
Check if your car is compatible
This helps guarantee fitment of parts.
Delivery Free
Aug 1 - Aug 4
🚚 Fast US Local: Dispatched quickly from our local US warehouses for swift delivery.
2-Year Warranty
🛡️ Quality Coverage: Protects against any manufacturing defects for 2 full years.
🔄 Free Replacement: We will provide a brand-new replacement for free if any quality issues occur.
60-Day Return & Refund
📦 Free Returns & Exchanges: Zero costs to you if the product has any quality issues.
💰 Full Refunds: 100% money-back guarantee within 60 days for defective items.
Review Rewards & Cashback
Share an install photo & review to unlock tier rewards:
🥈 Under $50
3% Off Next Order
🥇 $50+ Orders
5% Direct Cashback
🔥 Tip: Buy a Combo Set to easily hit $50 and unlock 5% Cashback!
💡 How to claim: Email a screenshot of your review to our support team.
$101.95
- No other fees; this is the final payment price
- Get rid of your car's malfunctions and start a pleasant driving journey
Check Engine Light? Find Your Symptoms
🌬️ O2 & A/F Sensors
- P0134No Activity Detected
- P0135Heater Circuit Malfunction
- P0137/38Circuit Low/High Voltage
- P2195Signal Stuck Lean
- P0030/31Heater Control Circuit
⛽ Fuel & Air Mixture
- P0171/74System Too Lean
- P0172System Too Rich
- P2096Post-Catalyst Trim Too Lean
- P0087Fuel Rail Pressure Low
- P0201-04Injector Circuit Open
♻️ Catalytic Converters
- P0420Efficiency Below Threshold (B1)
- P0430Efficiency Below Threshold (B2)
⚡ Ignition / Misfires
- P0300Random Misfire
- P0301-06Cylinder-Specific Misfire
🚛 NOx Sensors & SCR
- P2200/02Sensor Circuit / Signal Low
- P229FCircuit Range/Performance
- P207FReductant Quality Perf.
- 46F2/4D16BMW SCR Efficiency Faults
🛑 ABS & Wheel Speed
- C1021Front Wheel Speed Sensor
- C1025Sensor Signal Erratic
- C1207ABS Pump Overrun
- C0561System Disabled
Automotive-Leader Sensors
Vehicle Compatible
|
Year
|
Make
|
Model
|
Engine/Displacement
|
|---|---|---|---|
|
2003
|
Lexus
|
GX470 Base
|
4.7L
|
|
2003
|
Toyota
|
4Runner Limited
|
4.7L
|
|
2003
|
Toyota
|
4Runner Sport
|
4.7L
|
|
2003
|
Toyota
|
4Runner SR5
|
4.7L
|
|
2004
|
Lexus
|
GX470 Base
|
4.7L
|
|
2004
|
Toyota
|
4Runner Limited
|
4.7L
|
|
2004
|
Toyota
|
4Runner Sport
|
4.7L
|
|
2004
|
Toyota
|
4Runner SR5
|
4.7L
|
Product Specifications
Warranty & Support: 2 Years + Pre-sale Load Test + 24/7 Technical Support
|
Item
|
Specification
|
|---|---|
|
Core Part Number
|
234-4138
Interchange: 2344138, 234 4138, 8946550120, 8946560150, 8946560430 |
|
Position
|
Exhaust System, Upstream (Pre-Catalytic Converter)
|
|
Key Parameters
|
- Sensor Type: Heated Oxygen Sensor
- Wire Configuration: 4-Wire - Connector Gender: Male - Wire Harness Length: 8.27 IN - Thread Diameter: 0.708 IN - Mounting Type: Threaded - Grade Type: Regular - Fit Type: Specific |
|
Core Part Number
|
234-4260
Interchange: 2344260, 234 4260, 8946504300, 8946504320, 8946504340, 8946504350, 8946506200, 8946506250, 8946507050, 8946507070, 894650C160, 894650C170, 894650C180, 894650D040, 894650T030, 8946533360 |
|
Position
|
Exhaust System, Downstream (Post-Catalytic Converter)
|
|
Key Parameters
|
- Sensor Type: Heated Oxygen Sensor
- Wire Configuration: 4-Wire - Connector Gender: Male - Wire Harness Length: 9.45 IN - Thread Diameter: 0.708 IN - Mounting Type: Threaded - Grade Type: Regular - Fit Type: Specific |
|
Core Part Number
|
234-4261
Interchange: 2344261, 234 4261, 8946504270, 8946504290, 8946506060, 8946506140, 894650R020, 8946533250, 8946533380, 8946535580, 8946535670, 8946535690, 8946542150, 8946560200 |
|
Position
|
Exhaust System, Downstream (Post-Catalytic Converter)
|
|
Key Parameters
|
- Sensor Type: Heated Oxygen Sensor
- Wire Configuration: 4-Wire - Connector Gender: Male - Wire Harness Length: 10.24 IN - Thread Diameter: 0.708 IN - Mounting Type: Threaded - Grade Type: Regular - Fit Type: Specific |
Package Content :
4PCS (2*234-4138 Upstream + 1*234-4260 Downstream + 1*234-4261 Downstream) O2 Sensor