02-17 Nissan Altima Frontier Sentra O2 Oxygen Sensor Front 2.5L
O2 Oxygen Sensor — 2.5L Front
Direct replacement oxygen sensor for the front position on 2.5L engines. Critical for fuel mixture control and emissions monitoring. Factory-spec component engineered to restore proper air-fuel ratio readings after sensor degradation or replacement.
Key Features
- Front cylinder bank position - Monitors pre-catalyst exhaust to optimize fuel mixture
- OEM-equivalent construction - Direct bolt-in replacement without modification
- Emissions-critical function - Restores proper diagnostic readings and prevents check engine codes
Specs
- Position: Front
- Engine displacement: 2.5L
- Condition: New
What's Included
- O2 oxygen sensor (1 unit)
Frequently Asked Questions
Will I need special tools to install this?
You'll want an oxygen sensor socket or wrench to access and remove the old unit — the sensor sits deep in the exhaust manifold. Standard hand tools are all you need beyond that. Refer to your vehicle's service manual for torque specs and any specific precautions.
Do I need to clear the check engine light myself after installation?
The light should clear on its own after 50–100 miles of normal driving once the new sensor begins sending proper readings. If it persists, a scanner can force a manual clear, but the system will re-scan on its own pretty quickly.
Is this sensor for a catalytic converter model or upstream?
This is the front (upstream) sensor — the one that sits before the catalytic converter and controls fuel trim. If you need the rear (post-catalyst) sensor, that's a different part.
Ships within 1-2 business days.
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02-17 Nissan Altima Frontier Sentra O2 Oxygen Sensor Front 2.5L
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FAQs
Please read our FAQs page to find out more.
Are OEM products more expensive than aftermarket alternatives?
OEM products might have a higher upfront cost compared to aftermarket parts, but their superior quality and durability often make them a more cost-effective choice over time. Investing in OEM ensures you’re getting parts specifically designed for your vehicle, which can lead to better performance and longevity.
Can I purchase OEM parts online or do I need to visit a dealership?
You don’t need to visit a dealership to get OEM parts. You can conveniently purchase genuine OEM components from authorized distributors and reputable online retailers like Turbo Tech Performance. Our online store provides a wide selection of high-quality parts delivered straight to your door.
Are parts from brands like Mopar, ACDelco, and Motorcraft interchangeable between different vehicle brands?
No, parts from Mopar, ACDelco, and Motorcraft are typically designed for specific vehicle brands. It’s crucial to ensure compatibility with your vehicle’s make and model by checking part numbers and consulting with a knowledgeable expert.
Can I install OEM parts myself, or is it better to have a professional handle it?
While some OEM parts can be installed by DIY enthusiasts, the complexity of installation can vary. For the best results and to ensure proper fitment and performance, we recommend having a trained mechanic install the parts, especially if you’re unfamiliar with automotive repairs.
Do OEM parts come with a warranty?
Yes, many OEM auto parts come with a manufacturer’s warranty that covers defects or issues. Be sure to check the warranty details for each part at the time of purchase, and keep your receipt for any potential warranty claims.