Downstream O2 Sensor
- Check Engine Light (P0420/P0171)
- Rough Idle & Hesitation
- Poor Fuel Economy (MPG)
- Failed Emissions Inspection
2-Year Warranty
🛡️ Quality Coverage: Protects against any manufacturing defects for 2 full years.
🔄 Free Replacement: Brand-new replacement for free if quality issues occur.
30-Day Return & Refund
📦 Free Returns: Zero costs to you if the product has quality issues.
💰 Full Refunds: 100% money-back guarantee within 30 days for defective items.
5-Step Fitment Guide
- Check OE: Find original part no. & plug.
- Compare Photos: Match plug with our images.
- Verify YMM: Confirm via fitment tool.
- Review Specs: Check pins & dimensions.
- Purchase: Buy confidently once matched!
Review Rewards
Share an install photo & review to unlock:
- Under $50 Orders: 3% Off Next Order
- $50+ Orders: 5% Direct Cashback
*Email screenshot of your review to support to claim.
-
No hidden fees: What you see is what you pay.
-
Restore performance: Fix issues and drive with confidence.
Check Engine Light? Find Your Symptoms
- P0134No Activity Detected
- P0135Heater Circuit Malfunction
- P0137/38Circuit Low/High Voltage
- P2195Signal Stuck Lean
- P0030/31Heater Control Circuit
- P0171/74System Too Lean
- P0172System Too Rich
- P2096Post-Catalyst Trim Too Lean
- P0087Fuel Rail Pressure Low
- P0201-04Injector Circuit Open
- P0420Efficiency Below Threshold (B1)
- P0430Efficiency Below Threshold (B2)
- P0300Random Misfire
- P0301-06Cylinder-Specific Misfire
Automotive-Leader Sensors
Vehicle Compatible
|
Year
|
Make
|
Model
|
Engine/Displacement
|
Sensor Location
|
|---|---|---|---|---|
|
2004-2006
|
Dodge
|
Ram 1500 SRT-10
|
8.3L
|
Downstream Right
|
|
2003
|
Dodge
|
Ram 2500 Base
|
8.0L
|
Downstream Left
|
|
2003
|
Dodge
|
Ram 3500 Base
|
8.0L
|
Downstream Left
|
|
2003
|
Dodge
|
Ram 2500 Base
|
5.7L
|
Downstream
|
|
2003
|
Dodge
|
Ram 2500 SLT
|
5.7L
|
Downstream
|
|
2003
|
Dodge
|
Ram 2500 ST
|
5.7L
|
Downstream
|
|
2003
|
Dodge
|
Ram 3500 Base
|
5.7L
|
Downstream
|
Product Specifications
|
Item
|
Specification
|
|---|---|
|
Core Part Number
|
234-4771
Interchange: 2344771, 234 4771, 56028996AA, 56041702AA, 13610, SG1852, 23132 |
|
Position
|
Exhaust System, Downstream (Post-Catalytic Converter)
|
|
Key Parameters
|
- Type: Heated Oxygen Sensor
- Wire Configuration: 4-Wire - Connector Gender: Female - Mounting Type: Threaded - Thread Diameter: 0.708 IN (Approx. M18 x 1.5) - Wire Harness Length: 11.81 IN (Approx. 300mm) |
Package Content :
1Pcs 234-4771 O2 Sensor