2000-2006 Nissan Sentra & 2002-2003 Altima Front Oxygen Sensor
SHIPPING - RETURNS - WARRANTY - CANCELLATION POLICY
*** Market Conditions after 2020 have changed the landscape of automotive parts. Although we try to stock 1000's of items in our multiple warehouse and use multiple distribution channels, having back-orders are unavoidable in today's market. If you are in need of a product quickly, we suggest email, message, or call us for availability so that we may explore your options.
Email: Sales@Speedzoneweb.com
Call: 407-846-8430
Text: 407-749-6314
Frequently Asked Questions
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.
Our History
For 26 years Speedzone Performance LLC has been providing aftermarket car parts to Central Floridians and 1000's of customers online. What makes us different than all the other places online? We have 3 actual brick and mortar locations where were serve customers daily and find new ways to provide support and assistance to the automotive community at large. From our in house SPDZ1 Brand, to our constantly growing in stock inventory, we strive to make our customer service and ease of purchase stand out from the rest! We are also one of the largest automotive part financing providers anywhere in the United States, and continue to provide more options for our customers every year. We love what we do, and it shows in every product we sell and every new customer who becomes a part of our Speedzone Family.