2000-2006 Nissan Sentra & 2002-2003 Altima Front Oxygen Sensor
K2 Industries
2000-2006 Nissan Sentra & 2002-2003 Altima Front Oxygen Sensor
Check fitment before ordering
Match the year, make, model, trim and engine in the product details. Review mounting requirements and vehicle modifications. Ask us about this part.
Eligible returns within 30 days of receipt. Items must be unused, with tags and original packaging. Contact Lee Mods before sending anything back. Lee Mods pays return shipping for eligible U.S. returns; no restocking fee. See Returns & Exchanges for full conditions.
Front Oxygen Sensor for Nissan Sentra & Altima
OEM-style oxygen sensor engineered to restore fuel trim accuracy and emissions compliance on your Sentra or Altima. This direct-fit sensor maintains proper air-fuel ratio monitoring, critical for smooth idle, throttle response, and passing emissions tests. Designed as a bolt-in replacement for aging or failed sensors.
Key Features
- Direct OEM fitment - No adapters or modifications required; mounts to factory oxygen sensor location
- Emissions-ready signal - Restores accurate oxygen readings for proper fuel mapping and catalytic converter efficiency
- Plug-and-play connector - Factory wiring harness compatible; no rewiring or splicing needed
Specs
- Front oxygen sensor assembly, direct replacement configuration
What's Included
- Oxygen sensor only
Frequently Asked Questions
Will I need a special sensor socket or wrench to install this?
An oxygen sensor socket (22mm or 30mm, depending on your model) makes removal and installation much cleaner, but a standard wrench works if you're careful. The sensor threads directly into the exhaust manifold or exhaust pipe at the factory location — no modification needed.
Does this sensor come pre-gapped or ready to screw in?
Yes, it's ready to install straight out of the box. Just apply a thin coat of anti-seize compound to the threads (especially if your exhaust runs hot), thread it in by hand first, then torque it down snug — refer to your service manual for the exact torque spec.
What if the check engine light came back after I installed a sensor before?
A new sensor won't clear a stored code on its own — you'll need a scanner to clear it after installation. If the light returns immediately, the issue may be elsewhere in the fuel trim or emissions system. A failing catalytic converter or vacuum leak can trigger oxygen sensor codes even with a good sensor in place.
Your vehicle
Select a vehicle to check the supplied application records for this part.
Choose or change vehicle →Product reference & ordering help
Supplier & part identification
K2 Industries
| Option | SKU / part reference |
|---|---|
| Standard | K2-10837-NIS-006-EC |
Vehicle compatibility
Read the application years, model, trim, engine and exclusions in the description above. A make-level collection or product recommendation alone does not confirm fitment.
Request fitment help →Installation & specifications
Review the manufacturer’s specifications and installation notes above. Confirm required mounting hardware, tools and modifications before ordering. If instructions are not supplied, contact us with the part reference.
Shipping expectations
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Shipping & delivery informationManufacturer warranty
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Warranty information