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2Pcs Air Fuel Ratio & O2 Sensor for Acura MDX 3.7L (2007-2009) | 234-5053 234-4351
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2Pcs Air Fuel Ratio & O2 Sensor

for Acura MDX 3.7L (2007-2009)
🏷️ Replaces OE: 234-5053 234-4351
7 left
$34.95
Final: $33.20 -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/Displacement
2007
Acura
MDX Base
3.7L V6
2008
Acura
MDX Base
3.7L V6
2009
Acura
MDX Base
3.7L V6

 

Product Specifications

Warranty & Support: 2 Years + 24/7 Technical Support
Item
Specification
Core Part Number
234-5053
Interchange: 2345053, 36531-RGW-A01, 36531-RKG-A01, 36531-RYE-A01, 36541-RGW-A01, 36541-RYE-A01, 24346, 13954, 250-25056, 25025056, 75-3829, 75-3830
234-4351
Interchange: 2344351, 36532-RDB-A01, 36532-RBR-A01, 36542-RDA-A01, 36542-RKG-A01, 36532-RWC-A01, 36532-RYE-A01, 24267
Position
234-5053: Exhaust System, Upstream (Pre-Catalytic Converter)
234-4351: Exhaust System, Downstream (Post-Catalytic Converter)
Key Parameters
234-5053
- Type: Heated Oxygen Sensor
- Wire Quantity: 5 Wires
- Connector Gender: Male
- Thread Diameter: 0.711 IN
- Wire Harness Length: 11.61 IN
- Universal Or Specific Fit: Specific
234-4351
- Type: Heated Oxygen Sensor
- Wire Quantity: 4 Wires
- Connector Gender: Male
- Thread Diameter: 0.708 IN
- Wire Harness Length: 21.50 IN
- Mounting Type: Threaded
- Universal Or Specific Fit: Specific

 

Package Content :

2PCS (1*234-5053 Upstream+1*234-4351 Downstream) Oxygen Sensor

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