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Downstream O2 Sensor for Cadillac Escalade Chevy Silverado GMC Sierra - 12657188
$24.95
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30-Day Returns
Easy FL Return
Easy FL Return
2-Year Warranty
100% Brand New
100% Brand New
Direct Fit
Guaranteed Match
Guaranteed Match
⚠️ Symptoms to Fix:
- Check Engine Light (P0420, P0171)
- Rough idling & bad gas mileage
✅ Why Choose Us:
- 100% Direct OEM Fit & Connector
- Easy 15-Min DIY Install
Skip complex tables: Enter info to verify fitment
Automotive-Leader Sensors
Vehicle Compatible
|
Year
|
Make
|
Model
|
|---|---|---|
|
2015-2018
|
Cadillac
|
Escalade
|
|
2016-2017
|
Chevrolet
|
Express 2500 / 3500
|
|
2016
|
Chevrolet
|
Express 4500
|
|
2014-2018
|
Chevrolet
|
Silverado 1500
|
|
2016-2018
|
Chevrolet
|
Silverado 2500 / 3500
|
|
2015-2018
|
Chevrolet
|
Suburban
|
|
2018
|
Chevrolet
|
Suburban 3500 HD
|
|
2015-2018
|
Chevrolet
|
Tahoe
|
|
2016-2017
|
GMC
|
Savana 2500 / 3500
|
|
2016
|
GMC
|
Savana 4500
|
|
2014-2018
|
GMC
|
Sierra 1500
|
|
2016-2018
|
GMC
|
Sierra 2500 / 3500
|
|
2015-2018
|
GMC
|
Yukon
|
|
2015-2018
|
GMC
|
Yukon XL
|
Product Specifications
Warranty & Support: 2 Years + 24/7 Technical Support
|
Item
|
Specification
|
|---|---|
|
Core Part Number
|
12657188
Interchange: 12661898, 12655678, 12665163, 12643708, 18054, 21075, 234-4974 |
|
Position
|
Exhaust System, Downstream (Post-Catalytic Converter)
|
|
Key Parameters
|
- Type: Heated Oxygen Sensor
- Wire Count: 4 Wires - Connector Gender: Male - Connector Shape: Oval - Thread Diameter: 18 mm - Total Length: 410 mm - Mounting Type: Position 2 |
Package Content : 1Pcs 12657188 Oxygen Sensor
A Guide for Users Without Repair Experience
1. When your vehicle malfunctions, use a CBD to scan and identify the fault codes (if you're unsure how to scan or interpret the codes, visit our blog for guidance).
2. Identify the faulty component based on the diagnostic code and remove it.
3. Select your vehicle's year, model, and brand directly from the search panel below, or search by the part number on the component to verify compatibility.
4. After selecting, click “Search.” A green result confirms the part is compatible. If unsure, click the result below to view deta
Please check the fitment notes for Oxygen sensor installation location information！！！
Bank 1 Sensor 1 means Upstream Right/Rear; Bank 2 Sensor 1 means Upstream Left/Front
Bank 1 Sensor 2 means Downstream Right/Rear; Bank 2 Sensor 2 means Downstream Left/Front
sensor 1=Upstream sensor 2=Downstream