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02-17 Nissan Altima Frontier Sentra O2 Oxygen Sensor Front 2.5L
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$120.00
Sale price$99.99
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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.
✓ Ships from FL Warehouse✓ In-House Quality Check✓ Factory Specification Match
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.
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**Rates from 0%-36% APR. Payment options through Shop Pay Installments, are subject to an eligibility check and are provided by these lending partners: affirm.com/lenders. Options depend on your purchase amount, and a down payment may be required. State notices to consumers https://www.affirm.com/licenses.
02-17 Nissan Altima Frontier Sentra O2 Oxygen Sensor Front 2.5L
