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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, 12.25″ Long, Heated, Direct Fit
O2 Sensor
| Brand |
NTK Oxygen Sensors |
|---|---|
| Part Number (MPN) |
21517 |
| SKU |
21517 |
| UPC / GTIN |
087295215173 / 00087295215173 |
| Condition |
New |
| Position |
Upstream Left, Upstream Right, Downstream, Upstream |
| Disclaimer |
WARNING/Precaución: Cancer and Reproductive Harm – Cáncer y daño al sistema reproductivo – |
| Connector Gender |
Female |
| 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 |
Pin |
| Thread Size |
M18.0 x 1.5 |
| UPC |
00087295215173 |
| Wire Quantity |
4 |
| Wiring Harness Length |
12.50 |
| Wrench Size |
7/8″ (22mm) |
| Year |
2009 |
| Make |
Buick |
| Model |
LaCrosse |
| Body & Trim |
CX |
| Engine & Transmission |
3.8L V6 – Gas |
| ACDelco |
213-1553, 213-360, 2131527, 2131643, 2134225, 2134575, 213817, 213819, 213968 |
| Airtex |
5S3164, 5S3169, 5S4176, 5S4213, 5S4407, 5S8130, 5S9936 |
| BWD |
OS1011, OS2134 |
| Beck Arnley |
156-4288 |
| BorgWarner |
OS1011, OS1457, OS2009, OS2013, OS2134, OS2260, OS2693 |
| Bosch |
13455, 15554, 15899, 13193, 13683, 15279, 15565, 15629, 15697, 15862, 15896, 15898, 16017, 16133 |
| Carquest |
75-1770, 75-3038 |
Vehicle Fitment
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