NGK OZA671-EE1 O2 Sensor: Direct-fit replacement for easy installation
At a price that won't break the bank, the NGK NTK O2 Sensor is the unsung hero of your car's exhaust system—a tiny component with a massive job. It precisely monitors the air-fuel ratio, feeding real-time data to the engine control unit (ECU) to fine-tune fuel injection. The result? Better combustion, fewer emissions, and improved fuel economy, all wrapped up in a direct-fit design that slots right in without any fuss. Built to endure the brutal heat and vibrations of automotive life, it's a reliable workhorse that just keeps going.
In the real world, this sensor is your first line of defense against common car woes. Spot symptoms like lousy gas mileage, a shaky idle, or a flunked emissions test? Swapping in a new one can quickly restore engine smoothness, protect your catalytic converter from costly damage, and keep you on the right side of environmental regs. Whether you're daily commuting or tweaking for performance, expect smoother acceleration and lower long-term costs—a no-brainer for anyone who values their ride's health and wallet.
Features
- Accurate air-fuel ratio monitoring
- Compatible with various vehicle models
- Durable construction for long lifespan
- Helps improve engine performance and fuel efficiency
- Direct-fit replacement for easy installation
General specs
- Brand: NGK
- Model: OZA671-EE1
- Seller: Joom
- ID: 68a567bc4be9e50104df7230
- Part Number: 9972
- Total Length: 195mm
- Compatibility: Various vehicle models
- Function: Monitors oxygen levels in exhaust
- First listed by seller: 8/24/25
If you are interested in more details, you can find full information on the seller's page.
View on seller's site
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$97.57
Last price update: 8/24/25
Out of stock
Shipping options
Delivery to 
United States
United States
Unavailable
Comparison with similar products
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NGK OZA671-EE1 Direct-fit replacement for easy installation
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| Brand | NGK | Ozosl | Hembisen | Rui Cheng | ||
| Model | OZA671-EE1 | K10 | X1805 | WA996 | Air 108 Filter | |
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| Price | $97.57 | $404.98 | $12.50 | $59.99 | $17.98 | $62.22 |
| Seller | Joom | Amazon | Gshopper | Amazon | Gshopper | Amazon |
| Update | August 23, 2025 | December 6, 2025 | July 25, 2024 | December 6, 2025 | July 25, 2024 | December 6, 2025 |
O2 Sensor
$97.57
