The best automotive replacement oxygen sensor relays you can buy

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The best automotive replacement oxygen sensor relays you can buy

AI-generated summary · updated September 1, 2026 · verify details before purchase.

1 Best overall Denso
Denso 234-4749 Oxygen Sensor

4.6/5 $41.89 Only 10 left

High-quality OEM replacement with excellent durability and performance.
- OEM quality
- Plug-and-play installation
- Long lifespan
- Price higher than aftermarket
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2 Best value Bosch
Bosch 15704 Oxygen Sensor

4.5/5 $28.50 Only 17 left

Reliable aftermarket sensor at a reasonable price, widely available.
- Good value
- Easy installation
- Brand trust
- Not OEM spec on some vehicles
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3 Best accuracy NTK
NTK 23101 Oxygen Sensor

4.5/5 $54.88 Only 15 left

Precise sensing element ensures accurate readings for optimal engine performance.
- Accurate readings
- Made by NGK
- Durable construction
- Slightly expensive
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4 Best for GM vehicles ACDelco
ACDelco 213-3532 Oxygen Sensor

4.4/5 $49.69 Only 1 left

OEM-grade sensor designed for GM models, ensuring perfect fitment and performance.
- OEM for GM
- Direct fit
- Reliable performance
- Limited compatibility
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5 Best for Toyota/Honda Denso
Denso 234-4209 Oxygen Sensor

4.6/5 $46.99

OEM quality for Japanese vehicles, easy to install and long-lasting.
- OEM quality
- Exact fit
- Reliable
- Premium price
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6 Best wideband Bosch
Bosch 13850 Oxygen Sensor

4.5/5 $30.00

Wideband sensor for advanced fuel trim control, ideal for performance applications.
- Wideband technology
- Accurate readings
- Designed for performance
- Higher cost
- Complex installation
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7 Best budget pick Walker Products
Walker Products 350-31070 Oxygen Sensor

4.3/5 $34.88 Only 18 left

Affordable aftermarket sensor with good performance for cost-conscious buyers.
- Low price
- Direct replacement
- Adequate performance
- Shorter lifespan
- May not match OEM specs
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8 Best durability Delphi
Delphi ES20076 Oxygen Sensor

4.4/5 $47.78

Rugged construction and precise sensing, often used in OEM applications.
- Sturdy build
- OEM supplier
- Consistent readings
- Limited vehicle coverage
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What to consider before buying

When choosing an oxygen sensor, prioritize OEM or reputable brands like Denso, Bosch, or NTK for accuracy and longevity. Ensure the sensor matches your vehicle's year, make, and model, and consider whether you need a narrowband or wideband sensor. Check for included connectors and wiring harnesses to simplify installation.

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The best automotive replacement oxygen sensor relays you can buy

What to consider before buying

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