Mando
New Original Equipment

Mando 18A1440 Oxygen Sensor - Downstream Right

Brand Mando 18A1440
Position Downstream Right
Product line New Original Equipment
Fits Kia and Hyundai · 30 vehicles

OE replacement. Factory-precision oxygen sensor for dependable engine management.

Monitors air and fuel mixture for efficient combustion.

New Original Equipment. Mando brings OE-level fit and performance standards.

Cross-references Hyundai 39210-37523, Hyundai 3921037520 and Hyundai 3921037523 for the same application. See all 5.

$64.56Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $64.56
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Mando 18A1440 Oxygen Sensor for Hyundai and Kia

Mando 18A1440 is a New Original Equipment oxygen sensor for downstream right applications on select Hyundai and Kia vehicles. It monitors exhaust oxygen content to help the engine control module maintain the correct air-fuel mixture, supporting smoother operation and efficient combustion.

Key Features

  • OE-style replacement oxygen sensor for downstream right placement
  • Factory-precision specifications for Hyundai and Kia applications
  • Supports air-fuel mixture monitoring for combustion control
  • Direct replacement for select Hyundai and Kia models
  • Part number: 18A1440

Detailed Description

This Mando New Original Equipment oxygen sensor is built for select Hyundai Sonata, Hyundai Santa Fe, Hyundai Tucson, Hyundai Tiburon, Kia Optima, and Kia Sportage applications. It is used in the downstream right position and follows factory-style specifications for fit and function. The 18A1440 is a practical OE replacement choice when servicing emissions-related sensor faults on 2002-2010 Hyundai and Kia vehicles.

Mando’s New Original Equipment line focuses on OE replacement parts made to factory precision specs. For drivers maintaining Hyundai or Kia engine efficiency, this sensor supports accurate exhaust feedback so the engine management system can adjust fueling as needed. Part number 18A1440 is also referenced for Hyundai and Kia OE numbers in the 39210-37523 family.

What It Helps Address

  • Check engine light related to oxygen sensor faults
  • Rough or erratic engine idle
  • Poor fuel economy from incorrect air-fuel readings
  • Hard starting caused by inaccurate sensor input
  • Emissions system performance issues

Installation Notes and Tips

Fits 2005-2010 Kia Sportage, downstream right. Fits 2005-2009 Hyundai Tucson, downstream right. Fits 2004-2008 Hyundai Tiburon, downstream right. Fits 2003-2006 Hyundai Santa Fe, downstream right. Fits 2002-2006 Kia Optima, downstream right. Fits 2003-2005 Hyundai Sonata, downstream right. Fits 2003 Hyundai Tiburon, downstream right, from 01/01/2003. Fits 2002 Hyundai Sonata, downstream right, from 08/16/2002.

Confirm the downstream right location before ordering, since oxygen sensors are position-specific. Verify the vehicle year breakpoints noted above for 2002 and 2003 applications. This part cross-references Hyundai 39210-37523 and Kia 39210-37523 for the same application.

Quality Assurance

Mando New Original Equipment parts are built to factory precision specifications for OE-style replacement use on Hyundai and Kia vehicles.

This part fits 30 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2010KiaSportage2.7LV6Downstream RightOxygen Sensor - OEM Replacement Part; New Original Equipment
2009HyundaiTucson2.7LV6Downstream RightOxygen Sensor - OEM Replacement Part; New Original Equipment
2009KiaSportage2.7LV6Downstream RightOxygen Sensor - OEM Replacement Part; New Original Equipment
2008HyundaiTiburon2.7LV6Downstream RightOxygen Sensor - OEM Replacement Part; New Original Equipment
2008HyundaiTucson2.7LV6Downstream RightOxygen Sensor - OEM Replacement Part; New Original Equipment
2008KiaSportage2.7LV6Downstream RightOxygen Sensor - OEM Replacement Part; New Original Equipment
2007HyundaiTiburon2.7LV6Downstream RightOxygen Sensor - OEM Replacement Part; New Original Equipment
2007HyundaiTucson2.7LV6Downstream RightOxygen Sensor - OEM Replacement Part; New Original Equipment
2007KiaSportage2.7LV6Downstream RightOxygen Sensor - OEM Replacement Part; New Original Equipment
2006HyundaiSanta Fe2.7LV6Downstream RightOxygen Sensor - OEM Replacement Part; New Original Equipment
2006HyundaiTiburon2.7LV6Downstream RightOxygen Sensor - OEM Replacement Part; New Original Equipment
2006HyundaiTucson2.7LV6Downstream RightOxygen Sensor - OEM Replacement Part; New Original Equipment
2006KiaOptima2.7LV6Downstream RightOxygen Sensor - OEM Replacement Part; New Original Equipment
2006KiaSportage2.7LV6Downstream RightOxygen Sensor - OEM Replacement Part; New Original Equipment
2005HyundaiSanta Fe2.7LV6Downstream RightOxygen Sensor - OEM Replacement Part; New Original Equipment
2005HyundaiSonata2.7LV6Downstream RightOxygen Sensor - OEM Replacement Part; New Original Equipment
2005HyundaiTiburon2.7LV6Downstream RightOxygen Sensor - OEM Replacement Part; New Original Equipment
2005HyundaiTucson2.7LV6Downstream RightOxygen Sensor - OEM Replacement Part; New Original Equipment
2005KiaOptima2.7LV6Downstream RightOxygen Sensor - OEM Replacement Part; New Original Equipment
2005KiaSportage2.7LV6Downstream RightOxygen Sensor - OEM Replacement Part; New Original Equipment
2004HyundaiSanta Fe2.7LV6Downstream RightOxygen Sensor - OEM Replacement Part; New Original Equipment
2004HyundaiSonata2.7LV6Downstream RightOxygen Sensor - OEM Replacement Part; New Original Equipment
2004HyundaiTiburon2.7LV6Downstream RightOxygen Sensor - OEM Replacement Part; New Original Equipment
2004KiaOptima2.7LV6Downstream RightOxygen Sensor - OEM Replacement Part; New Original Equipment
2003HyundaiSanta Fe2.7LV6Downstream RightOxygen Sensor - OEM Replacement Part; New Original Equipment
2003HyundaiSonata2.7LV6Downstream RightOxygen Sensor - OEM Replacement Part; New Original Equipment
2003HyundaiTiburon2.7LV6Downstream RightFrom 01/01/2003; OE Replacement Part; New Original Equipment
2003KiaOptima2.7LV6Downstream RightOxygen Sensor - OEM Replacement Part; New Original Equipment
2002HyundaiSonata2.7LV6Downstream RightFrom 08/16/2002; OE Replacement Part; New Original Equipment
2002KiaOptima2.7LV6Downstream RightOxygen Sensor - OEM Replacement Part; New Original Equipment
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Hyundai — 39210-37523Hyundai — 3921037520Hyundai — 3921037523Kia — 39210-37523Kia — 3921037523