NTK 21549
NTK part number 21549 is a oxygen (o2) sensor in the Exhaust & Emission system. This catalog matches it to 3 year-and-engine configurations from 1995 to 2005.
Verified fitment includes 2005 Cadillac Escalade 6.0L V8 ; 2005 Hummer H2 6.0L V8 ; 1995 Hyundai Elantra 1.6L L4 . See every vehicle this part fits.
Frequently Asked Questions
What is NTK 21549?
NTK part number 21549 is a oxygen (o2) sensor with published application data for 3 vehicle configurations from 1995 to 2005. Use the manufacturer part number to cross-reference your old part or a repair quote before you order.
Which vehicles does NTK 21549 fit?
This catalog matches 21549 to 3 year-and-engine configurations from 1995 to 2005. Open the compatible-vehicles list for every make, model and engine, and read the notes for position or trim qualifiers.
Is NTK 21549 OEM or aftermarket?
What matters is the published application data for this part number, not the label on the box. NTK 21549 is listed with its manufacturer part number so you can compare it to an OEM number or another brand that covers the same fitment.
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