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, 15″ Long, Heated, Direct Fit
O2 Sensor
| Brand |
NTK Oxygen Sensors |
|---|---|
| Part Number (MPN) |
21066 |
| SKU |
21066 |
| UPC / GTIN |
087295210666 / 00087295210666 |
| 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 |
00087295210666 |
| Wire Quantity |
4 |
| Wiring Harness Length |
15.00 |
| Wrench Size |
7/8″ (22mm) |
| ACDelco |
213-4229, 213-4230, 2131148, 2131528, 2131552, 2131567, 2131571, 2131641, 2131688, 2131692, 2133540, 2133542, 2133867, 2134226, 2134245, 2134255, 2134548, 213800, 213801, 213816, 213818 |
| Airtex |
5S3135, 5S3179, 5S3855, 5S3856, 5S4280, 5S4408, 5S6714, 5S7220, 5S8123, 5S8124, 5S8126, 5S8128 |
| BorgWarner |
OS1473, OS1581, OS1998, OS2008, OS2011, OS2012, OS2131, OS2132, OS2135, OS2217, OS2258, OS2467, OS2511 |
| Bosch |
15698, 13178, 13693, 13780, 13787, 15159, 15280, 15547, 15551, 15553, 15563, 15882, 15895, 18079 |
| Carquest |
75-3968 |
| DELPHI |
ES20094, ES20320 |
| DENSO Auto Parts |
234-4256 |