Denso 234-2007 Oxygen Sensor - Upstream

Denso OE Style Oxygen Sensor for Jeep

The Denso 234-2007 is an OE Style oxygen sensor built for specific-fit replacement on select Jeep applications. It is engineered to match factory requirements for upstream monitoring, helping restore accurate exhaust feedback on 1980-1982 Jeep CJ5, 1980-1982 Jeep CJ7, 1981-1982 Jeep Scrambler, and 1980 Jeep Cherokee, J10, and Wagoneer.

For buyers searching for a Denso oxygen sensor 234-2007 or an OE-style upstream oxygen sensor for Jeep CJ5 and CJ7, this part is built for direct replacement and proper connector fit.

Key Features

• OE Style replacement oxygen sensor from Denso
• Specific fit for select Jeep upstream applications
• Non-heated sensor design
• 2-wire configuration with male connector
• Threaded mounting type with 0.708 in. thread diameter
• 19.61 in. wiring harness length for application-specific routing
• Built to OE standards with precision replacement dimensions

Product Details

Denso 234-2007 is part of the OE Style line, which focuses on direct-fit replacement sensors built to match original equipment specifications. The sensor uses Denso’s aluminum oxide trap layer to help protect the ceramic element from silicone and lead contamination, supporting stable exhaust signal output and long service life. This makes it a practical choice for Jeep owners replacing a worn upstream oxygen sensor on CJ5, CJ7, Scrambler, Cherokee, J10, or Wagoneer models.

This part cross-references Bosch 12007 and NTK 21553 for the same application.

What It Helps Address

• Check engine light caused by a failing upstream oxygen sensor
• Incorrect air-fuel feedback from an aging exhaust sensor
• Poor fuel economy related to inaccurate oxygen readings
• Rough idle or drivability issues tied to sensor degradation
• Hard starting or inconsistent engine performance from delayed sensor response

Installation Notes and Tips

Fits 1980-1982 Jeep CJ5, Upstream; 1980-1982 Jeep CJ7, Upstream; 1981-1982 Jeep Scrambler, Upstream; 1980 Jeep Cherokee, Upstream; 1980 Jeep J10, Upstream; and 1980 Jeep Wagoneer, Upstream. Confirm connector style, thread size, and harness routing before installation. Because this is a specific-fit sensor, matching the upstream location and vehicle year is important for proper operation.

Quality Assurance

Denso manufactures and tests this oxygen sensor to OE standards for exact replacement fit and consistent performance. The OE Style product line is built for direct application matching, helping ensure the right part for the right vehicle the first time.