Oxygen Sensor
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Oxygen Sensor Oxygen Sensor
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NTK Oxygen Sensor

Part No. 21545 Warranty Details  

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NTK Oxygen Sensors meet OE specifications for form, fit and function and have a direct-fit, OEM-style connector for installation.
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Connector Type:OE Type
Exact Fit:Yes
Length (Sealing Surface To End Of Connector):17.75 in
O.E.M. Number:12570795
Thread Size:18 mm
Wire Quantity:4


by PowerReviews
NTKOxygen Sensor

(based on 1 review)

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Reviewed by 1 customer

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(0 of 1 customers found this review helpful)


Exact fit and plug


from colorado springs,co

Verified Buyer


  • Easy To Use


    Best Uses

      Comments about NTK Oxygen Sensor:

      [...],good part

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      1 Question | 1 Answer
      Displaying question 1
      • Q:

        I am told that my Chev Astro has more than 3 oxygen senors. Is that true? You only list 1 sensor?
        Asked on 10/14/2010 by Jon from Racine Wisconsin

        1 answer



          To further assist you could you provide the vehicle's year, make, model, and engine size.

          Answered on 10/15/2010 by kevin the king of auto parts. from AAP
      Displaying question 1

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