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Important: Verify connector shape and pins match your original part.
4-Piece O2 Sensor
Fits Mitsubishi Montero Sport 3.0L (1997-2006)
Replaces OE: 234-4633, 234-4657, 234-4741, 234-4742
Resolves Symptoms
- Check Engine Light (P0420/P0171)
- Rough Idle & Hesitation
- Poor Fuel Economy (MPG)
- Failed Emissions Inspection
Estimated Delivery
Free
Ordered
Oct 30
Prepared
Oct 30-Oct 31
Delivered
Nov 13-Nov 21
Requires overseas shipment. Upgrade to expedited shipping at checkout if urgent.
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
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$55.95
-
No hidden fees: What you see is what you pay.
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Restore performance: Fix issues and drive with confidence.
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
Automotive-Leader Sensors
Vehicle Compatible
|
Year
|
Make
|
Model
|
Engine/Displacement
|
|---|---|---|---|
|
2001-2006
|
Mitsubishi
|
Montero (Limited, XLS)
|
3.5L V6 / 3.8L V6
|
|
1997-2003
|
Mitsubishi
|
Montero Sport (ES, LS, XLS)
|
3.0L V6
|
|
1999-2004
|
Mitsubishi
|
Montero Sport (Limited, XLS, XLS Premium, etc.)
|
3.5L V6
|
Product Specifications
Warranty & Support: 2 Years (Heated) + Pre-sale Load Test + 24/7 Technical Support
|
Item
|
Specification
|
|---|---|
|
Core Part Number
|
234-4633, 234-4657, 234-4741, 234-4742
Interchange: 234-4656, 13801, SG1225 |
|
Position
|
Exhaust System, Upstream (Front/Pre-Cat) & Downstream (Rear/Post-Cat)
|
|
Key Parameters
|
- Type: Heated Oxygen Sensor Kit
- Wire Quantity: 4 Wires per sensor - Connector: Male - Thread Diameter: 0.708 in (M18 x 1.5) - Mounting Type: Threaded - Wire Lengths (Sensor to Lead): 440 mm, 590 mm, 700 mm, 760 mm - Note: Minor fitment tolerance of 1-3mm may exist due to manual measurement. |
Package Content : 4Pcs (234-4633+234-4657+234-4741+234-4742) Oxygen Sensor