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Denso 234-3089 Oxygen Sensor - Upstream or Upstream Right
| Brand | Denso 234-3089 |
|---|---|
| Position | Upstream Right |
| Connector Gender | Male |
| Mounting Type | Threaded |
| Sensor Type | Heated |
| Thread Diameter | 0.708 |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 3 |
| Wiring Harness Length | 15.35 |
| Product line | OE Style |
| Fits | Nissan, Mercury, and INFINITI · 38 vehicles |
OE-style replacement. Precision-built for exact replacement and a first-time fit.
Heated sensor. Helps support faster operation and consistent emissions control.
Threaded mounting. Installs with a secure, specific-fit connection.
Cross-references ACDelco 213-1276, ACDelco 213-1278 and BorgWarner OS698 for the same application. See all 41.
Denso OE Style Oxygen Sensor 234-3089
Denso 234-3089 is an OE-style heated oxygen sensor built for exact replacement and first-time fit. It is designed for upstream right or upstream applications on select Nissan, Infiniti, and Mercury vehicles, including Nissan Frontier, Nissan Xterra, Nissan Sentra, and Nissan Quest.
The OE Style line focuses on direct-fit replacement parts that match factory requirements. This sensor uses a threaded mounting design, a male connector, 3 wires, and a 15.35-inch wiring harness length for a clean installation on the correct application.
Key Features
- Heated oxygen sensor for upstream exhaust monitoring
- Specific-fit design for direct replacement
- Threaded mounting type with 0.708 thread diameter
- 3-wire configuration with male connector
- 15.35-inch wiring harness length
- OE-style construction for factory-style fit and function
- Aluminum oxide trap layer helps protect the ceramic element from silicone and lead contamination
OE Style Construction
Denso’s OE Style product line is built to match original equipment fitment and performance expectations. This oxygen sensor is precision manufactured and tested to OE standards, helping maintain accurate exhaust feedback for engine management. The protective trap layer is engineered to reduce contamination exposure, supporting stable sensor operation and long service life. This part cross-references Bosch 13262 and NTK 24521 for the same application.
Vehicle Fitment
- Fits 1999-2003 Nissan Frontier, Upstream Right
- Fits 2000-2003 Nissan Xterra, Upstream Right
- Fits 2001-2002 Mercury Villager, Upstream
- Fits 2001-2002 Nissan Quest, Upstream
- Fits 2000-2001 Nissan Xterra, Upstream
- Fits 1999-2000 Mercury Villager, Upstream
- Fits 1998-2000 Nissan Frontier, Upstream
- Fits 1999-2000 Nissan Quest, Upstream
- Fits 1999 INFINITI G20, Upstream
- Fits 1997-1999 Nissan Sentra, Upstream
- Fits 1998 INFINITI Q45, Upstream Right
- Fits 1996-1998 Nissan 200SX, Upstream
- Fits 1997 INFINITI Q45, Upstream Right
- Fits 1996 Nissan Sentra, Upstream
- Fits 1995-1996 Nissan Sentra, Upstream
- Fits 1995-1996 Nissan Sentra, Upstream
- Fits 1995 Nissan 200SX, Upstream
- Fits 1995 Nissan Sentra, Upstream
- Fits 1994 Nissan Sentra, Upstream
What This Sensor Helps Address
- Check engine light related to oxygen sensor performance
- Rough idle or inconsistent air-fuel feedback
- Reduced fuel economy caused by inaccurate exhaust readings
- Slow sensor response during closed-loop operation
- Emissions test failures tied to upstream sensor faults
Installation Notes
Confirm the vehicle’s year, make, model, and sensor position before ordering. This part is a specific-fit threaded sensor, so connector style, wire count, and harness length should match the original unit. For Nissan Frontier, Nissan Xterra, Nissan Sentra, and Nissan Quest applications, verify whether the vehicle uses the upstream right or upstream location listed in the fitment data.
Quality Assurance
Denso manufactures and tests this oxygen sensor to OE standards for direct replacement use. The OE Style design is intended to deliver the correct fit and factory-style operation on the listed applications, including select Nissan, Infiniti, and Mercury models.
| Year | Make | Model | Transmission | Position | Notes |
|---|---|---|---|---|---|
| 2003 | Nissan | Frontier | — | Upstream Right | OE Style |
| 2003 | Nissan | Xterra | — | Upstream Right | OE Style |
| 2002 | Mercury | Villager | — | Upstream | OE Style |
| 2002 | Nissan | Frontier | — | Upstream Right | OE Style |
| 2002 | Nissan | Quest | — | Upstream | OE Style |
| 2002 | Nissan | Xterra | — | Upstream Right | OE Style |
| 2001 | Mercury | Villager | — | Upstream | OE Style |
| 2001 | Nissan | Frontier | — | Upstream Right | OE Style |
| 2001 | Nissan | Quest | — | Upstream | OE Style |
| 2001 | Nissan | Xterra | — | Upstream Right | OE Style |
| 2001 | Nissan | Xterra | — | Upstream | OE Style |
| 2000 | Mercury | Villager | — | Upstream | California exempt parts can be used on pollution controlled vehicles in California.; OE Style |
| 2000 | Nissan | Frontier | — | Upstream Right | OE Style |
| 2000 | Nissan | Frontier | — | Upstream | OE Style |
| 2000 | Nissan | Quest | — | Upstream | California exempt parts can be used on pollution controlled vehicles in California.; OE Style |
| 2000 | Nissan | Xterra | — | Upstream Right | OE Style |
| 2000 | Nissan | Xterra | — | Upstream | OE Style |
| 1999 | INFINITI | G20 | — | Upstream | OE Style |
| 1999 | Mercury | Villager | — | Upstream | California exempt parts can be used on pollution controlled vehicles in California.; OE Style |
| 1999 | Nissan | Frontier | — | Upstream Right | OE Style |
| 1999 | Nissan | Frontier | — | Upstream | OE Style |
| 1999 | Nissan | Quest | — | Upstream | California exempt parts can be used on pollution controlled vehicles in California.; OE Style |
| 1999 | Nissan | Sentra | — | Upstream | OE Style |
| 1998 | INFINITI | Q45 | — | Upstream Right | To 01/98; OE Style |
| 1998 | Nissan | 200SX | — | Upstream | OE Style |
| 1998 | Nissan | Frontier | — | Upstream | OE Style |
| 1998 | Nissan | Sentra | — | Upstream | OE Style |
| 1997 | INFINITI | Q45 | — | Upstream Right | OE Style |
| 1997 | Nissan | 200SX | — | Upstream | OE Style |
| 1997 | Nissan | Sentra | — | Upstream | OE Style |
| 1996 | Nissan | 200SX | — | Upstream | OE Style |
| 1996 | Nissan | Sentra | — | Upstream | Mexico Built; OE Style |
| 1996 | Nissan | Sentra | — | Upstream | Japan Built; Exc. Calif.; From 05/96; OE Style |
| 1996 | Nissan | Sentra | — | Upstream | Japan Built; Calif.; OE Style |
| 1995 | Nissan | 200SX | — | Upstream | California exempt parts can be used on pollution controlled vehicles in California.; OE Style |
| 1995 | Nissan | Sentra | Manual | Upstream | Japan Built; Calif.; OE Style |
| 1995 | Nissan | Sentra | Automatic | Upstream | Japan Built; Exc. Calif.; OE Style |
| 1994 | Nissan | Sentra | — | Upstream | Excluding California.; OE Style |
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