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NTK 24399 Air / Fuel Ratio Sensor - UpstreamOE Quality 60-Day Returns
NTK 24399 Air / Fuel Ratio Sensor - Upstream - view 1
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Part #: 24399

NTK 24399 Air / Fuel Ratio Sensor - Upstream

Direct Fit 5-Wire A/F Sensor, Upstream
⚙️ 41 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$565.82Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
✅OE Direct Replacement — Bolt-on fit, no modifications needed
📦Direct Fit 5-Wire A/F Sensor, Upstream
🚗Fitment: Mitsubishi, Lancer, Outlander, Outlander Sport, and RVR
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
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NTK 24399 Air / Fuel Ratio Sensor - Upstream
BrandNTK
Part Number24399
PositionDirect Fit 5-Wire A/F Sensor, Upstream
Wiring Harness Length40.5
Sensor TypeHeated
Thread Length0.38
Universal Or Specific FitSpecific
Wire Quantity5
Thread Diameter18.000
Mounting Bracket IncludedNo

This part fits 41 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2021MitsubishiOutlander Sport2.4LL4UpstreamOE MFR: NTK; Direct Fit 5-Wire A/F Sensor
2021MitsubishiRVR2.4LL4UpstreamOE MFR: NTK; Direct Fit 5-Wire A/F Sensor
2020MitsubishiOutlander Sport2.4LL4UpstreamOE MFR: NTK; Direct Fit 5-Wire A/F Sensor
2020MitsubishiRVR2.4LL4UpstreamOE MFR: NTK; Direct Fit 5-Wire A/F Sensor
2019MitsubishiOutlander Sport2.4LL4UpstreamOE MFR: NTK; Direct Fit 5-Wire A/F Sensor
2019MitsubishiRVR2.4LL4UpstreamOE MFR: NTK; Direct Fit 5-Wire A/F Sensor
2018MitsubishiOutlander Sport2.4LL4UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit 5-Wire A/F Sensor
2018MitsubishiOutlander Sport2.0LL4UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit 5-Wire A/F Sensor
2018MitsubishiRVR2.4LL4UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit 5-Wire A/F Sensor
2018MitsubishiRVR2.0LL4UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit 5-Wire A/F Sensor
2017MitsubishiLancer2.4LL4UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit 5-Wire A/F Sensor
2017MitsubishiLancer2.0LL4UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit 5-Wire A/F Sensor
2017MitsubishiOutlander Sport2.4LL4UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit 5-Wire A/F Sensor
2017MitsubishiOutlander Sport2.0LL4UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit 5-Wire A/F Sensor
2017MitsubishiRVR2.4LL4UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit 5-Wire A/F Sensor
2017MitsubishiRVR2.0LL4UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit 5-Wire A/F Sensor
2016MitsubishiLancer2.4LL4UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit 5-Wire A/F Sensor
2016MitsubishiLancer2.0LL4UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit 5-Wire A/F Sensor
2016MitsubishiOutlander Sport2.4LL4UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit 5-Wire A/F Sensor
2016MitsubishiRVR2.4LL4UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit 5-Wire A/F Sensor
2015MitsubishiLancer2.4LL4UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit 5-Wire A/F Sensor
2015MitsubishiLancer2.0LL4UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit 5-Wire A/F Sensor
2015MitsubishiOutlander Sport2.4LL4UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit 5-Wire A/F Sensor
2015MitsubishiRVR2.4LL4UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit 5-Wire A/F Sensor
2014MitsubishiLancer2.4LL4UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit 5-Wire A/F Sensor
2014MitsubishiLancer2.0LL4UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit 5-Wire A/F Sensor
2013MitsubishiLancer2.4LL4UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit 5-Wire A/F Sensor
2013MitsubishiLancer2.0LL4UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit 5-Wire A/F Sensor
2013MitsubishiOutlander2.4LL4UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit 5-Wire A/F Sensor
2013MitsubishiOutlander Sport2.0LL4UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit 5-Wire A/F Sensor
2013MitsubishiRVR2.0LL4UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit 5-Wire A/F Sensor
2012MitsubishiLancer2.4LL4UpstreamB1S1; Federal Emissions; OE MFR: NTK; Direct Fit 5-Wire A/F Sensor
2012MitsubishiLancer2.0LL4UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit 5-Wire A/F Sensor
2012MitsubishiOutlander2.4LL4UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit 5-Wire A/F Sensor
2012MitsubishiOutlander Sport2.0LL4UpstreamB1S1; Federal Emissions; OE MFR: NTK; Direct Fit 5-Wire A/F Sensor
2012MitsubishiRVR2.0LL4UpstreamB1S1; Federal Emissions; OE MFR: NTK; Direct Fit 5-Wire A/F Sensor
2011MitsubishiLancer2.4LL4UpstreamB1S1; Federal Emissions; OE MFR: NTK; Direct Fit 5-Wire A/F Sensor
2011MitsubishiLancer2.0LL4UpstreamB1S1; Federal Emissions; OE MFR: NTK; Direct Fit 5-Wire A/F Sensor
2011MitsubishiOutlander2.4LL4UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit 5-Wire A/F Sensor
2011MitsubishiOutlander Sport2.0LL4UpstreamB1S1; Federal Emissions; OE MFR: NTK; Direct Fit 5-Wire A/F Sensor
2011MitsubishiRVR2.0LL4UpstreamB1S1; Federal Emissions; OE MFR: NTK; Direct Fit 5-Wire A/F Sensor

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

1588A228234-5051

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

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