Oxygen Sensor
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Oxygen Sensor Oxygen Sensor
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NTK Oxygen Sensor

Part No. 21003 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):12.75 in
O.E.M. Number:25176708
Thread Size:18 mm
Wire Quantity:3


by PowerReviews
NTKOxygen Sensor

(based on 1 review)

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Reviewed by 1 customer

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(1 of 1 customers found this review helpful)


ntk oxygen sensor is junk


from summerville sc

See all my reviews

Verified Buyer
3 or more reviews submitted

Comments about NTK Oxygen Sensor:

truck had 145k and still had original oxygen sensor. was told need oxygen sesnor would increase mpg, installed NTK sensor milage dropped to 16. after 2 tanks i installed a Bousch oxygen sensor mileage when up to 19.25 mpg. i drive my truck to and from work on the same route everyday, same driving style, same person, same traffic flow. i would by a boush next time

  • Car & Truck:
  • Auto Enthusiast, Truck Enthusiast
  • Was this a gift?:
  • No

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