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Part Number

AP4-121
Sale Price

$24.60

2 left at this price

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Usually delivered within 2 days

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No Hassle Returns

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Fitment guaranteed

Product Details

The APW Warehouse Supplies AP4-121 is an OE-style oxygen sensor designed to deliver reliable engine performance and emissions monitoring. This sensor monitors exhaust oxygen levels and sends critical data to your vehicle's engine control unit (ECU) to optimize the air-fuel mixture for maximum efficiency and minimal emissions.

Key Features:

  • OE-style replacement oxygen sensor for precise fitment and performance
  • Compatible with multiple OEM part numbers including 156-4227, 213-3060, 21512, 234-4739, 250-24233, ES20080, and ES20080-11B1
  • Cross-references with major manufacturers including ACDelco, Beck/Arnley, Delphi, Denso, NTK, and Walker
  • Precision-engineered to meet original equipment specifications
  • Essential component for maintaining proper fuel efficiency and reducing emissions

This oxygen sensor plays a vital role in your vehicle's emission control system by continuously monitoring exhaust gas oxygen content and helping maintain the optimal air-fuel ratio. Proper oxygen sensor function is critical for fuel economy, engine performance, and passing emissions tests.

Quick and easy

thanks

Easy check out via Amazon and best price too!

Simple and easy along with cheaper than the competitors!

called for invo very helpful

Best price I've seen online and the shipping is extremely fast. I would definitely use this site again for future automobile needs.

Exelente

fast and simple. I would have only liked to see the shipping options before the submission of payment

great

good and friendly e-market, nice prices

thnk you

Quick easy and painless.

Autoplicity, was very easy to use, very fast, and an enjoyable experience. I would recommend to my closest friends!!

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