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Denso 234-4078 Oxygen Sensor - Downstream, Downstream Rear or Upstream
| Brand | Denso 234-4078 |
|---|---|
| Position | Upstream, Downstream, and Downstream Rear |
| Wiring Harness Length | 14.37 |
| Sensor Type | Heated |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Connector Gender | Female |
| Thread Diameter | 0.708 |
| Mounting Type | Threaded |
| Product line | OE Style |
| Fits | Chrysler, Dodge, Jeep, and Plymouth · 132 vehicles |
OE style. Precision-built for exact replacement and a first-time fit.
Heated sensor. Helps deliver faster response and consistent performance.
Threaded mounting. Female connector and 4-wire design for a secure connection.
Cross-references ACDelco 213-1373, BorgWarner OS194 and BorgWarner OS203 for the same application. See all 43.
Denso OE Style Oxygen Sensor 234-4078
Denso 234-4078 is an OE Style heated oxygen sensor built for specific-fit replacement on select Chrysler, Dodge, Jeep, and Plymouth applications. It is engineered for direct replacement performance, accurate exhaust feedback, and a first-time fit on vehicles such as the Chrysler 300M, Dodge Intrepid, and Jeep Grand Cherokee.
- OE Style, specific-fit oxygen sensor for direct replacement
- Heated sensor design with 4 wires and female connector
- Threaded mounting type with 0.708 in. thread diameter
- Wiring harness length: 14.37 in.
- Built to strict OE standards for consistent sensor output
- Aluminum oxide trap layer helps protect the ceramic element from silicone and lead contamination
OE Style Replacement Details
The Denso OE Style line is built to match original equipment fit and function, with precision construction for exact replacement. Part number 234-4078 is a specific-fit oxygen sensor for downstream and upstream applications across multiple Chrysler, Dodge, Jeep, and Plymouth models. This part cross-references Bosch 13138 and NTK 23014 for the same application.
Compatible Vehicle Applications
- Fits 1999-2004 Chrysler 300M, downstream
- Fits 1999-2001 Chrysler 300M, upstream
- Fits 1998-2004 Chrysler Concorde, downstream
- Fits 1998-2001 Chrysler Concorde, upstream
- Fits 1998-2004 Chrysler Intrepid, downstream
- Fits 1998-2001 Chrysler Intrepid, upstream
- Fits 1999-2001 Chrysler LHS, upstream
- Fits 1999-2001 Chrysler LHS, downstream
- Fits 2001-2004 Chrysler Sebring, upstream
- Fits 2001-2004 Chrysler Sebring, downstream
- Fits 1998-2003 Dodge Stratus, upstream
- Fits 2001-2003 Dodge Stratus, downstream
- Fits 2000-2001 Jeep Cherokee, downstream rear
- Fits 1996-2000 Jeep Cherokee, downstream
- Fits 1999-2000 Jeep Grand Cherokee, downstream
- Fits 1994-1998 Jeep Grand Cherokee, downstream
- Fits 1997-1999 Jeep Wrangler, downstream
- Fits 1997-1999 Jeep TJ, downstream
What This Oxygen Sensor Helps Address
- Check engine light related to oxygen sensor performance
- Incorrect air-fuel mixture readings
- Poor fuel economy caused by inaccurate exhaust feedback
- Rough idle or drivability issues tied to sensor degradation
- Emissions test failures from a worn or contaminated sensor
Installation Notes and Tips
Verify the connector style, wire count, and sensor position before ordering. This Denso 234-4078 uses a threaded mount and a female connector, so it should be matched to the original sensor configuration on the vehicle. Confirm whether the application is upstream, downstream, or downstream rear, and check any notes for California or ULEV-specific coverage before installation.
Quality Assurance
Denso manufactures and tests this oxygen sensor to OE standards for fit, function, and durability. The aluminum oxide trap layer is used to help shield the sensing element from silicone and lead contamination, supporting stable operation over time.
| Year | Make | Model | Body Type | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|
| 2004 | Chrysler | 300M | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 2004 | Chrysler | Concorde | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 2004 | Chrysler | Intrepid | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 2004 | Chrysler | Sebring | — | — | Upstream | Round Connector, Sellout and Reorder Universal 234-4210; OE Style |
| 2004 | Chrysler | Sebring | — | — | Downstream | Round Connector, Sellout and Reorder Universal 234-4210; OE Style |
| 2004 | Dodge | Intrepid | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 2004 | Dodge | Stratus | — | — | Upstream | Current Generation Engine Controller; Round Connector, Sellout and Reorder Universal 234-4210; OE Style |
| 2004 | Dodge | Stratus | — | — | Downstream | Current Generation Engine Controller; Round Connector, Sellout and Reorder Universal 234-4210; OE Style |
| 2003 | Chrysler | 300M | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 2003 | Chrysler | Concorde | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 2003 | Chrysler | Intrepid | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 2003 | Chrysler | Sebring | — | — | Upstream | Round Connector, Sellout and Reorder Universal 234-4210; OE Style |
| 2003 | Chrysler | Sebring | — | — | Downstream | Round Connector, Sellout and Reorder Universal 234-4210; OE Style |
| 2003 | Dodge | Intrepid | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 2003 | Dodge | Stratus | — | — | Upstream | Sellout and Reorder Universal 234-4210; OE Style |
| 2003 | Dodge | Stratus | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 2002 | Chrysler | 300M | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 2002 | Chrysler | Concorde | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 2002 | Chrysler | Intrepid | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 2002 | Chrysler | Neon | — | — | Downstream | Calif., Sellout and Reorder Universal 234-4210; OE Style |
| 2002 | Chrysler | Prowler | — | — | Upstream | Sellout and Reorder Universal 234-4210; OE Style |
| 2002 | Chrysler | Prowler | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 2002 | Chrysler | Sebring | — | — | Upstream | Round Connector, Sellout and Reorder Universal 234-4210; OE Style |
| 2002 | Chrysler | Sebring | — | — | Downstream | Round Connector, Sellout and Reorder Universal 234-4210; OE Style |
| 2002 | Dodge | Intrepid | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 2002 | Dodge | Neon | — | — | Downstream | Calif., Sellout and Reorder Universal 234-4210; OE Style |
| 2002 | Dodge | Stratus | — | — | Upstream | Sellout and Reorder Universal 234-4210; OE Style |
| 2002 | Dodge | Stratus | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 2001 | Chrysler | 300M | — | — | Upstream | Sellout and Reorder Universal 234-4210; OE Style |
| 2001 | Chrysler | 300M | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 2001 | Chrysler | Concorde | — | — | Upstream | Sellout and Reorder Universal 234-4210; OE Style |
| 2001 | Chrysler | Concorde | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 2001 | Chrysler | Intrepid | — | — | Upstream | Sellout and Reorder Universal 234-4210; OE Style |
| 2001 | Chrysler | Intrepid | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 2001 | Chrysler | LHS | — | — | Upstream | Sellout and Reorder Universal 234-4210; OE Style |
| 2001 | Chrysler | LHS | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 2001 | Chrysler | Neon | — | — | Downstream | Calif., Sellout and Reorder Universal 234-4210; OE Style |
| 2001 | Chrysler | Prowler | — | — | Upstream | Sellout and Reorder Universal 234-4210; OE Style |
| 2001 | Chrysler | Prowler | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 2001 | Chrysler | Sebring | — | — | Upstream | Round Connector, Sellout and Reorder Universal 234-4210; OE Style |
| 2001 | Chrysler | Sebring | — | — | Downstream | Round Connector, Sellout and Reorder Universal 234-4210; OE Style |
| 2001 | Dodge | Intrepid | — | — | Upstream | Sellout and Reorder Universal 234-4210; OE Style |
| 2001 | Dodge | Intrepid | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 2001 | Dodge | Neon | — | — | Downstream | Calif., Sellout and Reorder Universal 234-4210; OE Style |
| 2001 | Dodge | Stratus | — | — | Upstream | Sellout and Reorder Universal 234-4210; OE Style |
| 2001 | Dodge | Stratus | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 2001 | Jeep | Cherokee | — | — | Downstream Rear | Sellout and Reorder Universal 234-4210; OE Style |
| 2001 | Plymouth | Neon | — | — | Downstream | Calif., Sellout and Reorder Universal 234-4210; OE Style |
| 2001 | Plymouth | Prowler | — | — | Upstream | Sellout and Reorder Universal 234-4210; OE Style |
| 2001 | Plymouth | Prowler | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 2000 | Chrysler | 300M | — | — | Upstream | Sellout and Reorder Universal 234-4210; OE Style |
| 2000 | Chrysler | 300M | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 2000 | Chrysler | Cirrus | — | — | Upstream | Sellout and Reorder Universal 234-4210; OE Style |
| 2000 | Chrysler | Concorde | — | — | Upstream | Sellout and Reorder Universal 234-4210; OE Style |
| 2000 | Chrysler | Concorde | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 2000 | Chrysler | Intrepid | — | — | Upstream | Sellout and Reorder Universal 234-4210; OE Style |
| 2000 | Chrysler | Intrepid | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 2000 | Chrysler | LHS | — | — | Upstream | Sellout and Reorder Universal 234-4210; OE Style |
| 2000 | Chrysler | LHS | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 2000 | Chrysler | Neon | — | — | Downstream | ULEV, Sellout and Reorder Universal 234-4210; OE Style |
| 2000 | Dodge | Dakota | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 2000 | Dodge | Durango | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 2000 | Dodge | Intrepid | — | — | Upstream | Sellout and Reorder Universal 234-4210; OE Style |
| 2000 | Dodge | Intrepid | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 2000 | Dodge | Neon | — | — | Downstream | ULEV, Sellout and Reorder Universal 234-4210; OE Style |
| 2000 | Dodge | Stratus | — | — | Upstream | Sellout and Reorder Universal 234-4210; OE Style |
| 2000 | Jeep | Cherokee | — | — | Downstream Rear | Calif., Sellout and Reorder Universal 234-4210; OE Style |
| 2000 | Jeep | Cherokee | — | — | Downstream | Exc. Calif., Sellout and Reorder Universal 234-4210; OE Style |
| 2000 | Jeep | Cherokee | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 2000 | Jeep | Grand Cherokee | — | — | Downstream | Downstream OE #56041344AD, Sellout and Reorder Universal 234-4210; OE Style |
| 2000 | Jeep | Grand Cherokee | — | — | Downstream | Exc. Calif., Sellout and Reorder Universal 234-4210; OE Style |
| 2000 | Jeep | TJ | — | — | Downstream Rear | Calif., Sellout and Reorder Universal 234-4210; OE Style |
| 2000 | Jeep | TJ | — | — | Downstream | Exc. Calif., Sellout and Reorder Universal 234-4210; OE Style |
| 2000 | Jeep | Wrangler | — | — | Downstream Rear | Calif., Sellout and Reorder Universal 234-4210; OE Style |
| 2000 | Jeep | Wrangler | — | — | Downstream | Exc. Calif., Sellout and Reorder Universal 234-4210; OE Style |
| 2000 | Plymouth | Breeze | — | — | Upstream | Sellout and Reorder Universal 234-4210; OE Style |
| 2000 | Plymouth | Neon | — | — | Downstream | ULEV, Sellout and Reorder Universal 234-4210; OE Style |
| 2000 | Plymouth | Prowler | — | — | Upstream | Sellout and Reorder Universal 234-4210; OE Style |
| 2000 | Plymouth | Prowler | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 1999 | Chrysler | 300M | — | — | Upstream | Sellout and Reorder Universal 234-4210; OE Style |
| 1999 | Chrysler | 300M | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 1999 | Chrysler | Cirrus | — | — | Upstream | Sellout and Reorder Universal 234-4210; OE Style |
| 1999 | Chrysler | Concorde | — | — | Upstream | Sellout and Reorder Universal 234-4210; OE Style |
| 1999 | Chrysler | Concorde | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 1999 | Chrysler | Intrepid | — | — | Upstream | Sellout and Reorder Universal 234-4210; OE Style |
| 1999 | Chrysler | Intrepid | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 1999 | Chrysler | LHS | — | — | Upstream | Sellout and Reorder Universal 234-4210; OE Style |
| 1999 | Chrysler | LHS | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 1999 | Dodge | Dakota | Standard Cab Pickup | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 1999 | Dodge | Dakota | — | — | Downstream | w/ 12" Downstream Sensor, Sellout and Reorder Universal 234-4210; OE Style |
| 1999 | Dodge | Dakota | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 1999 | Dodge | Durango | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 1999 | Dodge | Intrepid | — | — | Upstream | Sellout and Reorder Universal 234-4210; OE Style |
| 1999 | Dodge | Intrepid | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 1999 | Dodge | Stratus | — | — | Upstream | Sellout and Reorder Universal 234-4210; OE Style |
| 1999 | Jeep | Cherokee | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 1999 | Jeep | Grand Cherokee | — | — | Downstream | Exc. Calif., Sellout and Reorder Universal 234-4210; OE Style |
| 1999 | Jeep | TJ | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 1999 | Jeep | Wrangler | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 1999 | Plymouth | Breeze | — | — | Upstream | Sellout and Reorder Universal 234-4210; OE Style |
| 1999 | Plymouth | Prowler | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 1998 | Chrysler | Concorde | — | — | Upstream | Sellout and Reorder Universal 234-4210; OE Style |
| 1998 | Chrysler | Concorde | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 1998 | Chrysler | Intrepid | — | — | Upstream | Sellout and Reorder Universal 234-4210; OE Style |
| 1998 | Chrysler | Intrepid | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 1998 | Chrysler | Sebring | — | — | Upstream | Sellout and Reorder Universal 234-4210; OE Style |
| 1998 | Dodge | Dakota | Standard Cab Pickup | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 1998 | Dodge | Dakota | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 1998 | Dodge | Durango | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 1998 | Dodge | Intrepid | — | — | Upstream | Sellout and Reorder Universal 234-4210; OE Style |
| 1998 | Dodge | Intrepid | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 1998 | Dodge | Stratus | — | — | Upstream | Sellout and Reorder Universal 234-4210; OE Style |
| 1998 | Jeep | Cherokee | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 1998 | Jeep | Grand Cherokee | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 1998 | Jeep | TJ | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 1998 | Jeep | Wrangler | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 1998 | Plymouth | Breeze | — | — | Upstream | Sellout and Reorder Universal 234-4210; OE Style |
| 1997 | Dodge | B1500 | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 1997 | Dodge | B2500 | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 1997 | Dodge | B3500 | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 1997 | Dodge | B3500 | — | GAS | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 1997 | Dodge | Dakota | — | — | Downstream | w/ 12" Downstream Sensor, Sellout and Reorder Universal 234-4210; OE Style |
| 1997 | Jeep | Cherokee | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 1997 | Jeep | Grand Cherokee | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 1997 | Jeep | TJ | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 1997 | Jeep | Wrangler | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 1997 | Plymouth | Prowler | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 1996 | Dodge | B3500 | — | CNG | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 1996 | Jeep | Cherokee | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 1996 | Jeep | Grand Cherokee | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 1995 | Jeep | Grand Cherokee | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
| 1994 | Jeep | Grand Cherokee | — | — | Downstream | Sellout and Reorder Universal 234-4210; OE Style |
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