Delphi ES20222 Oxygen Sensor - Front or Rear

Brand Delphi ES20222
Position Front
Connector Shape Flat
Overall Length 620.0
Package Contents Oxygen Sensor, Instruction Sheet
Position(s) Front, Rear. For the position specific to your vehicle, refer to the Application tab.
Sensor Type Heated
Thread Size 18 x 1.5 mm
Wire Quantity 4
Fits Mini · 14 vehicles

Heated sensor. Responds quickly for dependable emissions monitoring.

Flat connector. Simplifies installation with a straightforward plug-in fit.

OE heritage. Built with 100 years of OE experience and supplier knowledge.

Cross-references BBB Industries 13878, DENSO Auto Parts 234-4457 and NTK 25648 for the same application. See all 7.

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OE-Style Oxygen Sensor for Mini Cooper

Delphi ES20222 is a heated oxygen sensor built for precise exhaust monitoring and reliable replacement performance. It is compatible with 2002-2008 Mini Cooper front and rear positions, making it a direct-fit option for common Mini Cooper oxygen sensor service needs.

Key Features

  • Heated oxygen sensor for faster operating temperature and stable signal output
  • 4-wire design for the specified vehicle application
  • Flat connector shape for OE-style electrical connection
  • 18 x 1.5 mm thread size for proper exhaust bung fitment
  • Overall length: 620.0
  • Includes oxygen sensor and instruction sheet
  • Fits 2002-2008 Mini Cooper, front
  • Fits 2002-2008 Mini Cooper, rear

Detailed Description

Delphi ES20222 is engineered using OE heritage and decades of supplier experience with major automakers. For Mini Cooper oxygen sensor replacement, this part number ES20222 supports accurate exhaust feedback for the engine management system, helping maintain proper air-fuel control and emissions monitoring. This part cross-references DENSO Auto Parts 234-4457 for the same application.

What It Helps Address

  • Check engine light related to oxygen sensor performance
  • Slow sensor response or inaccurate exhaust readings
  • Rough idle or drivability issues tied to fuel trim correction
  • Failed emissions inspection caused by sensor faults
  • Replacement needs for worn front or rear Mini Cooper oxygen sensors

Installation Notes and Tips

Confirm the sensor position on your vehicle before ordering, since ES20222 is listed for front and rear applications depending on the exact Mini Cooper setup. Verify thread size, connector shape, and wire count against the original sensor before installation. Use the included instruction sheet and inspect the exhaust threads and wiring routing during replacement.

Quality Assurance

Delphi builds aftermarket parts with OE experience and application knowledge drawn from its role as a supplier to major automakers. Part number ES20222 reflects that OE-based engineering approach for Mini Cooper service work.

This part fits 14 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2008MiniCooperRear
2008MiniCooperFront
2007MiniCooperRear
2007MiniCooperFront
2006MiniCooperRear
2006MiniCooperFront
2005MiniCooperRear
2005MiniCooperFront
2004MiniCooperRear
2004MiniCooperFront
2003MiniCooperRear
2003MiniCooperFront
2002MiniCooperRear
2002MiniCooperFront
Directly replaces or cross-references 7 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
BBB Industries — 13878DENSO Auto Parts — 234-4457NTK — 2564811 78 0 872 67425024480MHK 100722LSU6563