NTK is the world’s largest supplier and manufacturer of OEM oxygen sensors. Oxygen sensors play a critical role as part of the vehicle’s on-board diagnostic system in maintaining optimal engine performance, maximizing fuel efficiency and reducing harmful emissions. Providing constant closed loop feedback to the ECU, oxygen sensors help to control the air-fuel ratio while alerting OBDII systems of possible problems with fuel delivery or catalytic converter efficiency. A ceramics company at our core, NTK uses state-of-the art technology enabling control of the ceramic element used in our oxygen sensors from raw material to finished product. Trust The Sensor Specialist for full-line market support and OE application technology.
NTK OE Type Oxygen Sensor
Switching Oxygen Sensor: 4 Wire, 22.75″ Long, Heated, Direct Fit
O2 Sensor
| Brand |
NTK Oxygen Sensors |
|---|---|
| Part Number (MPN) |
21548 |
| SKU |
21548 |
| UPC / GTIN |
087295215487 / 00087295215487 |
| Condition |
New |
| Position |
Downstream Left, Downstream Right |
| Disclaimer |
WARNING/Precaución: Cancer and Reproductive Harm – Cáncer y daño al sistema reproductivo – |
| Connector Gender |
Male |
| Connector Shape |
Square |
| Grade Type |
Standard Replacement |
| Heated |
Yes |
| Hex Size |
7/8″ (22mm) |
| Mounting Type |
Threaded |
| PADB ID 557 |
18.00 |
| Sensor Type |
Narrow-Band |
| Technology |
Switching Zirconia Type |
| Terminal Gender |
Female |
| Terminal Quantity |
4 |
| Terminal Type |
Blade |
| Thread Size |
M18.0 x 1.5 |
| UPC |
00087295215487 |
| Wire Quantity |
4 |
| Wiring Harness Length |
23.50 |
| Wrench Size |
7/8″ (22mm) |
| Year |
2006 |
| Make |
Cadillac |
| Model |
Escalade ESV |
| Body & Trim |
Base |
| Engine & Transmission |
6.0L V8 – Gas |
| ACDelco |
213-1149, 213-4256, 213-1574, 213-3540 |
| BWD |
OS1724 |
| BorgWarner |
OS1724, OS2245 |
| Bosch |
13694, 15468, 15901, 15165, F00E262961 |
| Carquest |
75-2542, 75-3925, 75-4062 |
| DELPHI |
ES20134, ES20113, ES20133 |
| DENSO Auto Parts |
234-4286 |
Vehicle Fitment