93-96 Jeep Grand Cherokee / 93-95 Wrangler 4.0L L6 Front 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 O2 Sensor — 4.0L L6
Direct-fit oxygen sensor for carburetor and fuel-injection tuning on 4.0L inline six engines. Mounts at the factory location to monitor exhaust oxygen content and optimize air-fuel mixture. Critical for emissions control and engine performance.
Key Features
- Factory-location mount - Drops in where your original sensor was; no adapter required.
- Carburetor and fuel-injection compatible - Works with both induction systems found on 4.0L powerplants.
- Direct OEM integration - Maintains proper sensor signal to engine computer for accurate fuel trim.
Specs
- Condition: New
- Application: 4.0L L6 engines
Whats Included
- Front O2 sensor
Frequently Asked Questions
Will this sensor work on a carbureted or fuel-injected 4.0L?
Yes — this sensor is compatible with both carb and FI setups on the 4.0L. The signal output works with either engine management system.
Do I need special tools or an oxygen sensor socket to install this?
An O2 sensor socket (usually $8–12) makes removal and installation much easier, but a regular wrench or socket will work if you're careful not to damage the sensor body. The sensor itself threads straight into the factory boss — no special fasteners.
Can I reuse the old wiring harness?
In most cases yes — the connector and wiring loom are standard across 4.0L models. If your old sensor connector is damaged or corroded, you'll need to source a replacement harness before install.
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.