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2Pcs O2 Sensor Upstream & Downstream for Mazda MX-5 Miata 2.0L (16-18) P51B188GX, P51S1886ZA
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2Pcs O2 Sensor Upstream & Downstream for Mazda MX-5 Miata 2.0L (16-18) P51B188GX, P51S1886ZA

To find other part numbers please search below

$59.95
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🇺🇸 Free US Shipping • Fast from local warehouse
↩️ 30-Day Returns
Easy FL Return
🛡️ 2-Year Warranty
100% Brand New
🤝 Direct Fit
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

Automotive-Leader Sensors

Vehicle Compatible

Year
Make
Model
Engine/Displacement
2016-2018
Mazda
MX-5 Miata
2.0L L4

 

Product Specifications

Warranty & Support: 2 Years + Pre-sale Load Test + 24/7 Technical Support
Item
Specification
Core Part Number
1. Upstream Sensor: 234-8027
2. Downstream Sensor: 234-5724
Interchange: P51B-18-8GX, P51B188GX, P51B18-8GX, P51B 18 8GX, 2345720, 234-5720, 234 5720, 234-8000, 2348000, 89465WB001, P51C18861, P51S1886ZA, P51C-18-861, 24788
Position
Upstream: Front, Pre-Catalytic Converter
Downstream: Rear, Post-Catalytic Converter
Key Parameters
- Sensor Type: Heated
- Wire Quantity: 4-Wire (Both Sensors)
- Wire Harness Length:
  - 234-8027: 16.38 IN
  - 234-5724: 12.80 IN
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

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