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Part #: 250-24280

Walker 250-24280 Oxygen Sensor - Upstream

Walker Products OE, Upstream
⚙️ 72 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Walker Products OE, Upstream
🚗Fitment: Hyundai and Mitsubishi, Sonata, Elantra, Excel, and Precis
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Overview of Walker Products OE Oxygen Sensor 250-24280

The Walker Products OE Oxygen Sensor 250-24280 is designed specifically for select Hyundai and Mitsubishi models, including the Elantra, Excel, Precis, and Sonata. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.

  • Heated oxygen sensor with 4-wire configuration for precise readings
  • Specific fit for Hyundai Elantra, Sonata and Mitsubishi Excel, Precis models
  • Threaded mounting type with 18.0 mm thread diameter for secure installation
  • Radiused polygon female connector for reliable electrical connection
  • Wiring harness length of 10.35 inches and overall length of 13.9 inches
  • Wire gauge measurement of 20 for durability and signal integrity

Detailed Product Description

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed OEM specifications. The 250-24280 oxygen sensor is a heated sensor designed to provide fast response times and accurate air-fuel mixture readings. Its 4-wire design includes two wires for the heating element and two for the sensor signal, ensuring consistent performance under various operating conditions. The sensor’s threaded mounting type with an 18.0 mm diameter allows for a secure fit in the exhaust system, while the radiused polygon female connector ensures a proper electrical connection without compatibility issues. With a wiring harness length of 10.35 inches and an overall length of 13.9 inches, this sensor is engineered for precise fitment in Hyundai Elantra and Sonata models as well as Mitsubishi Excel and Precis vehicles.

Common Applications and Issues Addressed

  • Restores accurate oxygen sensing for improved fuel efficiency
  • Helps reduce harmful emissions by maintaining proper air-fuel ratio
  • Resolves engine performance issues such as rough idling or hesitation
  • Prevents check engine light triggers related to oxygen sensor faults
  • Supports proper catalytic converter function by providing reliable data

Installation Notes and Tips

  • Ensure the vehicle is cool before removing the old sensor to avoid burns
  • Use appropriate tools to avoid damaging the 18.0 mm threaded mounting
  • Verify connector compatibility with the radiused polygon female plug
  • Check wiring harness routing to prevent contact with hot exhaust components
  • Clear any diagnostic trouble codes after installation to reset the system

Quality Assurance and Warranty

Walker Products OE parts are manufactured to meet strict quality standards, ensuring reliable performance and durability. The 250-24280 oxygen sensor undergoes rigorous testing to comply with emissions regulations and OEM fitment requirements. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship to provide confidence in the product’s longevity and function.

BrandWalker
Part Number250-24280
PositionWalker Products OE, Upstream
Connector GenderFemale
Connector ShapeRadiused Polygon
Mounting TypeThreaded
Overall Length13.9
Sensor TypeHeated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement20
Wire Quantity4
Wiring Harness Length10.35

This part fits 72 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
1998HyundaiSonata3.0LV6GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products OE
1998HyundaiSonata2.0LL4GASUpstreamNon California emissions certified; Bank 1 Sensor 1; Upstream position; Not suitable for California emissionscertified vehicles; Walker Products OE
1998HyundaiSonata2.0LL4GASUpstreamFor vehicles without California and Federal Emissions - Upstream Bank 1 Sensor 1.; Walker Products OE
1998HyundaiSonata2.0LL4GASUpstreamUpstream oxygen sensor for bank 1 sensor 1 incompatible with California-ESV vehicles.; Walker Products OE
1997HyundaiSonata3.0LV6GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products OE
1997HyundaiSonata2.0LL4GASUpstreamNon California emissions certified; Bank 1 Sensor 1; Upstream position; Not suitable for California emissionscertified vehicles; Walker Products OE
1997HyundaiSonata2.0LL4GASUpstreamFor vehicles without California and Federal Emissions - Upstream Bank 1 Sensor 1.; Walker Products OE
1997HyundaiSonata2.0LL4GASUpstreamUpstream oxygen sensor for bank 1 sensor 1 incompatible with California-ESV vehicles.; Walker Products OE
1996HyundaiSonata3.0LV6GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products OE
1996HyundaiSonata2.0LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
1996HyundaiSonata2.0LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
1995HyundaiElantra1.8LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
1995HyundaiElantra1.6LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
1995HyundaiElantra1.8LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
1995HyundaiElantra1.6LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
1995HyundaiSonata3.0LV6GASUpstreamNon Calif-ESV; No Calif-ESV; Upstream; Walker Products OE
1995HyundaiSonata3.0LV6GASUpstreamOxygen sensor compatible with California emissions vehicles.; Walker Products OE
1995HyundaiSonata2.0LL4GASUpstreamNon California emissions certified; Bank 1 Sensor 1; Upstream position; Not suitable for California emissionscertified vehicles; Walker Products OE
1995HyundaiSonata2.0LL4GASUpstreamCompatible with California-ESV vehicles, Upstream Oxygen Sensor; Walker Products OE
1995HyundaiSonata2.0LL4GASUpstreamFor vehicles without California and Federal Emissions - Upstream Bank 1 Sensor 1.; Walker Products OE
1995HyundaiSonata2.0LL4GASUpstreamCalifornia emissions ESV vehicles oxygen sensor; Walker Products OE
1995HyundaiSonata3.0LV6GASUpstreamUpstream oxygen sensor for non-California ESV vehicles.; Walker Products OE
1995HyundaiSonata2.0LL4GASUpstreamUpstream oxygen sensor for bank 1 sensor 1 incompatible with California-ESV vehicles.; Walker Products OE
1994HyundaiElantra1.8LL4GASUpstreamNon California emissions certified; Bank 1 Sensor 1; Upstream position; Not suitable for California emissionscertified vehicles; Walker Products OE
1994HyundaiElantra1.8LL4GASUpstreamCompatible with California-ESV vehicles, Upstream Oxygen Sensor; Walker Products OE
1994HyundaiElantra1.6LL4GASUpstreamNon California emissions certified; Bank 1 Sensor 1; Upstream position; Not suitable for California emissionscertified vehicles; Walker Products OE
1994HyundaiElantra1.6LL4GASUpstreamCompatible with California-ESV vehicles, Upstream Oxygen Sensor; Walker Products OE
1994HyundaiElantra1.8LL4GASUpstreamFor vehicles without California and Federal Emissions - Upstream Bank 1 Sensor 1.; Walker Products OE
1994HyundaiElantra1.8LL4GASUpstreamCalifornia emissions ESV vehicles oxygen sensor; Walker Products OE
1994HyundaiElantra1.6LL4GASUpstreamFor vehicles without California and Federal Emissions - Upstream Bank 1 Sensor 1.; Walker Products OE
1994HyundaiElantra1.6LL4GASUpstreamCalifornia emissions ESV vehicles oxygen sensor; Walker Products OE
1994HyundaiElantra1.8LL4GASUpstreamUpstream oxygen sensor for bank 1 sensor 1 incompatible with California-ESV vehicles.; Walker Products OE
1994HyundaiElantra1.6LL4GASUpstreamUpstream oxygen sensor for bank 1 sensor 1 incompatible with California-ESV vehicles.; Walker Products OE
1994HyundaiExcel1.5LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
1994HyundaiExcel1.5LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
1994HyundaiSonata3.0LV6GASUpstreamOxygen sensor compatible with California emissions vehicles.; Walker Products OE
1994HyundaiSonata3.0LV6GASUpstreamNon Calif; No de California; Upstream; Walker Products OE
1994HyundaiSonata3.0LV6GASUpstreamNon Calif-ESV; No Calif-ESV; Upstream; Walker Products OE
1994HyundaiSonata2.0LL4GASUpstreamNon California emissions certified; Bank 1 Sensor 1; Upstream position; Not suitable for California emissionscertified vehicles; Walker Products OE
1994HyundaiSonata2.0LL4GASUpstreamCompatible with California-ESV vehicles, Upstream Oxygen Sensor; Walker Products OE
1994HyundaiSonata2.0LL4GASUpstreamNon Calif; B1S1; No de California; Upstream; Walker Products OE
1994HyundaiSonata2.0LL4GASUpstreamFor vehicles without California and Federal Emissions - Upstream Bank 1 Sensor 1.; Walker Products OE
1994HyundaiSonata2.0LL4GASUpstreamCalifornia emissions ESV vehicles oxygen sensor; Walker Products OE
1994HyundaiSonata2.0LL4GASUpstreamNon Calif; No de California; Upstream; B1S1; Walker Products OE
1994HyundaiSonata3.0LV6GASUpstreamNon Calif; Upstream; Walker Products OE
1994HyundaiSonata3.0LV6GASUpstreamUpstream oxygen sensor for non-California ESV vehicles.; Walker Products OE
1994HyundaiSonata2.0LL4GASUpstreamUpstream oxygen sensor for bank 1 sensor 1 incompatible with California-ESV vehicles.; Walker Products OE
1994HyundaiSonata2.0LL4GASUpstreamNon Calif; B1S1; Upstream; Walker Products OE
1994MitsubishiPrecis1.5LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
1994MitsubishiPrecis1.5LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
1993HyundaiElantra1.8LL4GASUpstreamCalif-ESV , From 7/1/93; B1S1; Calif-ESV, De 7/1/93; Upstream; Walker Products OE
1993HyundaiElantra1.8LL4GASUpstreamNon Calif-ESV , From 7/1/93; B1S1; No Calif-ESV, De 7/1/93; Upstream; Walker Products OE
1993HyundaiElantra1.6LL4GASUpstreamNon Calif-ESV , From 7/1/93; B1S1; No Calif-ESV, De 7/1/93; Upstream; Walker Products OE
1993HyundaiElantra1.6LL4GASUpstreamCalif-ESV , From 7/1/93; B1S1; Calif-ESV, De 7/1/93; Upstream; Walker Products OE
1993HyundaiElantra1.8LL4GASUpstreamCalif-ESV , From 7/1/93; Calif-ESV, De 7/1/93; Upstream; B1S1; Walker Products OE
1993HyundaiElantra1.8LL4GASUpstreamNon Calif-ESV , From 7/1/93; No Calif-ESV, De 7/1/93; Upstream; B1S1; Walker Products OE
1993HyundaiElantra1.6LL4GASUpstreamNon Calif-ESV , From 7/1/93; No Calif-ESV, De 7/1/93; Upstream; B1S1; Walker Products OE
1993HyundaiElantra1.6LL4GASUpstreamCalif-ESV , From 7/1/93; Calif-ESV, De 7/1/93; Upstream; B1S1; Walker Products OE
1993HyundaiElantra1.8LL4GASUpstreamCalif-ESV , From 7/1/93; B1S1; Upstream; Walker Products OE
1993HyundaiElantra1.8LL4GASUpstreamNon Calif-ESV , From 7/1/93; B1S1; Upstream; Walker Products OE
1993HyundaiElantra1.6LL4GASUpstreamNon Calif-ESV , From 7/1/93; B1S1; Upstream; Walker Products OE
1993HyundaiElantra1.6LL4GASUpstreamCalif-ESV , From 7/1/93; B1S1; Upstream; Walker Products OE
1993HyundaiExcel1.5LL4GASUpstreamNon Calif-ESV , From 07/16/93; B1S1; No Calif-ESV, De 07/16/93; Upstream; Walker Products OE
1993HyundaiExcel1.5LL4GASUpstreamCompatible with California-ESV vehicles, Upstream Oxygen Sensor; Walker Products OE
1993HyundaiExcel1.5LL4GASUpstreamNon-Calif-ESV, From 07/16/93; No Calif-ESV, De 07/16/93; Upstream; B1S1; Walker Products OE
1993HyundaiExcel1.5LL4GASUpstreamCalifornia emissions ESV vehicles oxygen sensor; Walker Products OE
1993HyundaiExcel1.5LL4GASUpstreamNon Calif-ESV , From 07/16/93; B1S1; Upstream; Walker Products OE
1993MitsubishiPrecis1.5LL4GASUpstreamCompatible with California-ESV vehicles, Upstream Oxygen Sensor; Walker Products OE
1993MitsubishiPrecis1.5LL4GASUpstreamCalifornia emissions ESV vehicles oxygen sensor; Walker Products OE
1992HyundaiExcel1.5LL4GASUpstreamCalif-ESV , From 7/1/92; B1S1; Calif-ESV, De 07/01/92; Upstream; Walker Products OE
1992HyundaiExcel1.5LL4GASUpstreamCalif-ESV , From 7/1/92; Calif-ESV, De 07/01/92; Upstream; B1S1; Walker Products OE
1992HyundaiExcel1.5LL4GASUpstreamCalif-ESV , From 7/1/92; B1S1; Upstream; Walker Products OE

* 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:

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