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Denso
UniversalDenso 234-4206 Oxygen Sensor - Downstream or Upstream
| Brand | Denso 234-4206 |
|---|---|
| Position | Downstream |
| Sensor Type | Heated |
| Universal Or Specific Fit | Universal |
| Wire Quantity | 4 |
| Wiring Harness Length | 11.77 |
| Product line | Universal |
| Fits | Lexus and Toyota · 155 vehicles |
OE-standard quality. Manufactured and tested to strict OE standards for exact replacement fit.
Heated sensor. Built for faster operation and stable readings.
Aluminum oxide trap layer. Helps protect the ceramic element for longer service life.
Cross-references Bosch 13051, Bosch 13095 and Bosch 13104 for the same application. See all 27.
$66.38Free shipping
In stock · usually ships same day before 1pm CST
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Denso 234-4206 Oxygen Sensor Overview
Denso 234-4206 is a universal heated oxygen sensor built for direct replacement use in a wide range of Toyota and Lexus applications. It is engineered to deliver accurate exhaust feedback for downstream and upstream positions, helping maintain proper air-fuel control in vehicles such as the Toyota Tacoma, Toyota Tundra, and Lexus LX470.
Key Features
- Heated oxygen sensor design for faster operating response
- Universal fit for broad application coverage
- 4-wire configuration for signal and heater circuit operation
- 11.77 in. wiring harness length
- Built to OE standards for exact replacement fit and function
- Aluminum oxide trap layer helps protect the ceramic element from silicone and lead contamination
Product Details
Denso 234-4206 is part of Denso’s Universal line, which focuses on OE-style replacement coverage with the correct fit and electrical performance for the application. The sensor is manufactured and tested to strict original-equipment standards, with precision construction intended to support consistent exhaust monitoring and reliable engine management. This part number is used across many Toyota and Lexus models, including downstream and upstream locations on the Toyota 4Runner, Toyota Land Cruiser, Toyota Sequoia, Toyota Tacoma, Toyota Tundra, Lexus RX300, and Lexus LX450.
This part cross-references Bosch (e.g., 13051, 13095) for the same application.
What This Oxygen Sensor Helps Address
- Check engine light related to oxygen sensor performance
- Incorrect air-fuel mixture readings
- Reduced fuel economy caused by aging sensor response
- Slow sensor switching or heater circuit faults
- Emissions test failures tied to exhaust monitoring issues
Installation Notes
Verify the required position before ordering, since this sensor is listed for both upstream and downstream locations depending on the vehicle. Confirm connector style, harness routing, and application notes such as California or exempt-part requirements where shown in the fitment data. For best results, compare the original sensor length and wire count before installation. Fits 1995-2004 Toyota Tacoma, downstream and 1996-2000 Toyota 4Runner, downstream, along with many other Toyota and Lexus applications listed for this part.
Quality Assurance
Denso manufactures this oxygen sensor to strict OE standards and tests each component for replacement accuracy and first-time fit. The design includes an aluminum oxide trap layer to help protect the sensing element from contamination, supporting long service life and stable engine performance. Denso 234-4206 is engineered for dependable fitment across confirmed Toyota and Lexus applications.
This part fits 155 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
| Year | Make | Model | Submodel | Drive Type | Transmission | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2005 | Lexus | LX470 | — | — | — | Downstream | To 05/05; Universal |
| 2005 | Toyota | Land Cruiser | — | — | — | Downstream | To 05/05; Universal |
| 2004 | Lexus | LX470 | — | — | — | Downstream | Universal |
| 2004 | Toyota | Land Cruiser | — | — | — | Downstream | Universal |
| 2004 | Toyota | Sequoia | — | — | — | Downstream | Universal |
| 2004 | Toyota | Tacoma | — | — | — | Downstream | Universal |
| 2004 | Toyota | Tundra | — | — | — | Downstream | Universal |
| 2003 | Lexus | LX470 | — | — | — | Downstream | Universal |
| 2003 | Lexus | RX300 | — | — | — | Downstream | Universal |
| 2003 | Toyota | Highlander | — | — | — | Downstream | Universal |
| 2003 | Toyota | Land Cruiser | — | — | — | Downstream | Universal |
| 2003 | Toyota | Sequoia | — | — | — | Downstream | Universal |
| 2003 | Toyota | Sienna | — | — | — | Downstream | Universal |
| 2003 | Toyota | Tacoma | — | — | — | Downstream | Universal |
| 2003 | Toyota | Tundra | — | — | — | Downstream | Universal |
| 2002 | Lexus | LX470 | — | — | — | Downstream | Universal |
| 2002 | Lexus | RX300 | — | — | — | Downstream | Universal |
| 2002 | Toyota | Highlander | — | — | — | Downstream | Universal |
| 2002 | Toyota | Land Cruiser | — | — | — | Downstream | Universal |
| 2002 | Toyota | Sequoia | — | — | — | Downstream | Universal |
| 2002 | Toyota | Sienna | — | — | — | Downstream | Universal |
| 2002 | Toyota | Tacoma | — | — | — | Downstream | Universal |
| 2002 | Toyota | Tundra | — | — | — | Downstream | Universal |
| 2001 | Lexus | LX470 | — | — | — | Downstream | Universal |
| 2001 | Lexus | RX300 | — | — | — | Downstream | Universal |
| 2001 | Toyota | Highlander | — | — | — | Downstream | Universal |
| 2001 | Toyota | Land Cruiser | — | — | — | Downstream | Universal |
| 2001 | Toyota | Sequoia | — | — | — | Downstream | Universal |
| 2001 | Toyota | Sienna | — | — | — | Downstream | Universal |
| 2001 | Toyota | Tacoma | — | — | — | Downstream | Universal |
| 2001 | Toyota | Tundra | — | — | — | Downstream | Universal |
| 2000 | Lexus | LX470 | — | — | — | Downstream | Universal |
| 2000 | Lexus | RX300 | — | — | — | Downstream | Universal |
| 2000 | Toyota | 4Runner | — | — | — | Upstream | Excluding California.; Universal |
| 2000 | Toyota | 4Runner | — | — | — | Downstream | Universal |
| 2000 | Toyota | 4Runner | — | — | — | Downstream | Excluding California.; Universal |
| 2000 | Toyota | 4Runner | — | 4WD | Automatic | Downstream | California exempt parts can be used on pollution controlled vehicles in California.; Universal |
| 2000 | Toyota | Land Cruiser | — | — | — | Downstream | Universal |
| 2000 | Toyota | RAV4 | — | — | — | Downstream | Universal |
| 2000 | Toyota | Tacoma | Pre Runner | — | — | Upstream | Excluding California.; Universal |
| 2000 | Toyota | Tacoma | Pre Runner | — | — | Downstream | Excluding California.; Universal |
| 2000 | Toyota | Tacoma | DLX | RWD | — | Upstream | Excluding California.; Universal |
| 2000 | Toyota | Tacoma | DLX | RWD | — | Downstream | Excluding California.; Universal |
| 2000 | Toyota | Tacoma | — | 4WD | — | Upstream | Excluding California.; Universal |
| 2000 | Toyota | Tacoma | — | 4WD | — | Downstream | Universal |
| 2000 | Toyota | Tacoma | — | — | — | Upstream | Universal |
| 2000 | Toyota | Tacoma | — | — | — | Downstream | Universal |
| 2000 | Toyota | Tundra | — | — | — | Downstream | Universal |
| 2000 | Toyota | Tundra | — | — | — | Upstream | Universal |
| 1999 | Lexus | LX470 | — | — | — | Downstream | Universal |
| 1999 | Lexus | RX300 | — | — | — | Downstream | Universal |
| 1999 | Toyota | 4Runner | — | — | — | Upstream | Universal |
| 1999 | Toyota | 4Runner | — | — | — | Downstream | Universal |
| 1999 | Toyota | 4Runner | — | — | — | Upstream | Excluding California.; Universal |
| 1999 | Toyota | 4Runner | — | — | — | Downstream | Excluding California.; Universal |
| 1999 | Toyota | 4Runner | — | 4WD | Automatic | Downstream | California exempt parts can be used on pollution controlled vehicles in California.; Universal |
| 1999 | Toyota | Land Cruiser | — | — | — | Downstream | Universal |
| 1999 | Toyota | RAV4 | — | — | — | Downstream | Universal |
| 1999 | Toyota | Tacoma | Pre Runner | — | — | Upstream | Universal |
| 1999 | Toyota | Tacoma | Pre Runner | — | — | Downstream | Universal |
| 1999 | Toyota | Tacoma | DLX | RWD | — | Upstream | Universal |
| 1999 | Toyota | Tacoma | DLX | RWD | — | Downstream | Universal |
| 1999 | Toyota | Tacoma | — | 4WD | — | Upstream | Universal |
| 1999 | Toyota | Tacoma | — | 4WD | — | Downstream | Universal |
| 1999 | Toyota | Tacoma | — | — | — | Upstream | Universal |
| 1999 | Toyota | Tacoma | — | — | — | Downstream | Universal |
| 1998 | Lexus | LX470 | — | — | — | Downstream | Universal |
| 1998 | Toyota | 4Runner | — | — | — | Upstream | Universal |
| 1998 | Toyota | 4Runner | — | — | — | Downstream | Universal |
| 1998 | Toyota | Land Cruiser | — | — | — | Downstream | Universal |
| 1998 | Toyota | RAV4 | — | — | — | Downstream | Universal |
| 1998 | Toyota | Supra | — | — | — | Downstream | Universal |
| 1998 | Toyota | T100 | — | — | — | Upstream | Universal |
| 1998 | Toyota | T100 | — | — | — | Downstream | Universal |
| 1998 | Toyota | Tacoma | Pre Runner | — | — | Upstream | Universal |
| 1998 | Toyota | Tacoma | Pre Runner | — | — | Downstream | Universal |
| 1998 | Toyota | Tacoma | DLX | RWD | — | Upstream | Universal |
| 1998 | Toyota | Tacoma | DLX | RWD | — | Downstream | Universal |
| 1998 | Toyota | Tacoma | — | 4WD | — | Upstream | Universal |
| 1998 | Toyota | Tacoma | — | 4WD | — | Downstream | Universal |
| 1998 | Toyota | Tacoma | — | — | — | Upstream | Universal |
| 1998 | Toyota | Tacoma | — | — | — | Downstream | Universal |
| 1997 | Lexus | LX450 | — | — | — | Upstream | Universal |
| 1997 | Lexus | LX450 | — | — | — | Downstream | Universal |
| 1997 | Lexus | SC300 | — | — | — | Downstream | Universal |
| 1997 | Toyota | 4Runner | — | — | — | Upstream | Universal |
| 1997 | Toyota | 4Runner | — | — | — | Downstream | Universal |
| 1997 | Toyota | Land Cruiser | — | — | — | Upstream | Universal |
| 1997 | Toyota | Land Cruiser | — | — | — | Downstream | Universal |
| 1997 | Toyota | Previa | — | — | — | Upstream | Universal |
| 1997 | Toyota | Previa | — | — | — | Downstream | Universal |
| 1997 | Toyota | Supra | — | — | — | Downstream | Universal |
| 1997 | Toyota | T100 | — | RWD | Automatic | Upstream | Universal |
| 1997 | Toyota | T100 | — | — | — | Downstream | Universal |
| 1997 | Toyota | T100 | — | 4WD | — | Upstream | Universal |
| 1997 | Toyota | T100 | — | — | — | Upstream | Universal |
| 1997 | Toyota | Tacoma | — | — | — | Upstream | Universal |
| 1997 | Toyota | Tacoma | — | — | — | Downstream | Universal |
| 1996 | Lexus | LX450 | — | — | — | Upstream | Universal |
| 1996 | Lexus | LX450 | — | — | — | Downstream | Universal |
| 1996 | Lexus | SC300 | — | — | — | Downstream | Universal |
| 1996 | Toyota | 4Runner | — | — | — | Upstream | Universal |
| 1996 | Toyota | 4Runner | — | — | — | Downstream | Universal |
| 1996 | Toyota | Land Cruiser | — | — | — | Upstream | Universal |
| 1996 | Toyota | Land Cruiser | — | — | — | Downstream | Universal |
| 1996 | Toyota | Previa | — | — | — | Upstream | Universal |
| 1996 | Toyota | Previa | — | — | — | Downstream | Universal |
| 1996 | Toyota | Supra | — | — | — | Downstream | Universal |
| 1996 | Toyota | T100 | — | RWD | Automatic | Upstream | Universal |
| 1996 | Toyota | T100 | — | — | — | Downstream | Universal |
| 1996 | Toyota | T100 | — | 4WD | — | Upstream | Universal |
| 1996 | Toyota | T100 | — | — | — | Upstream | Universal |
| 1996 | Toyota | Tacoma | — | — | — | Upstream | Universal |
| 1996 | Toyota | Tacoma | — | — | — | Downstream | Universal |
| 1995 | Lexus | SC300 | — | — | — | Downstream | Universal |
| 1995 | Toyota | 4Runner | — | — | — | Downstream | California exempt parts can be used on pollution controlled vehicles in California.; Universal |
| 1995 | Toyota | Land Cruiser | — | — | — | Upstream | From 01/95; Universal |
| 1995 | Toyota | Land Cruiser | — | — | — | Downstream | From 01/95; Universal |
| 1995 | Toyota | Pickup | — | — | — | Downstream | California exempt parts can be used on pollution controlled vehicles in California.; Universal |
| 1995 | Toyota | Pickup | — | RWD | — | Downstream | California exempt parts can be used on pollution controlled vehicles in California.; Universal |
| 1995 | Toyota | Pickup | — | 4WD | — | Downstream | Japan Built; Calif.; Universal |
| 1995 | Toyota | Pickup | — | 4WD | — | Downstream | Calif.; USA Built; Universal |
| 1995 | Toyota | Previa | — | — | — | Upstream | Universal |
| 1995 | Toyota | Previa | — | — | — | Downstream | Universal |
| 1995 | Toyota | Supra | — | — | — | Downstream | Universal |
| 1995 | Toyota | Supra | — | — | — | Downstream | California exempt parts can be used on pollution controlled vehicles in California.; Universal |
| 1995 | Toyota | T100 | — | RWD | Automatic | Upstream | Universal |
| 1995 | Toyota | T100 | — | — | — | Downstream | Universal |
| 1995 | Toyota | T100 | — | 4WD | — | Upstream | Universal |
| 1995 | Toyota | T100 | — | — | Manual | Downstream | Universal |
| 1995 | Toyota | T100 | — | — | Automatic | Upstream | Universal |
| 1995 | Toyota | T100 | — | — | Automatic | Downstream | Universal |
| 1995 | Toyota | Tacoma | — | — | — | Upstream | Universal |
| 1995 | Toyota | Tacoma | — | — | — | Downstream | Universal |
| 1994 | Lexus | SC300 | — | — | — | Downstream | Universal |
| 1994 | Toyota | 4Runner | — | — | — | Downstream | California exempt parts can be used on pollution controlled vehicles in California.; Universal |
| 1994 | Toyota | Pickup | — | — | — | Downstream | California exempt parts can be used on pollution controlled vehicles in California.; Universal |
| 1994 | Toyota | Pickup | — | RWD | — | Downstream | California exempt parts can be used on pollution controlled vehicles in California.; Universal |
| 1994 | Toyota | Pickup | — | 4WD | — | Downstream | Calif.; USA Built; Universal |
| 1994 | Toyota | Pickup | — | 4WD | — | Downstream | Japan Built; Calif.; Universal |
| 1994 | Toyota | Previa | — | — | — | Upstream | Universal |
| 1994 | Toyota | Previa | — | — | — | Downstream | Universal |
| 1994 | Toyota | Supra | — | — | — | Downstream | Universal |
| 1994 | Toyota | Supra | — | — | — | Downstream | California exempt parts can be used on pollution controlled vehicles in California.; Universal |
| 1994 | Toyota | T100 | — | — | — | Downstream | California exempt parts can be used on pollution controlled vehicles in California.; Universal |
| 1994 | Toyota | T100 | — | — | — | Downstream | Universal |
| 1993 | Lexus | SC300 | — | — | — | Downstream | Universal |
| 1993 | Toyota | 4Runner | — | — | — | Downstream | California exempt parts can be used on pollution controlled vehicles in California.; Universal |
| 1993 | Toyota | Pickup | — | RWD | — | Downstream | California exempt parts can be used on pollution controlled vehicles in California.; Universal |
| 1993 | Toyota | Pickup | — | 4WD | — | Downstream | Japan Built; Calif.; Universal |
| 1993 | Toyota | Pickup | — | 4WD | — | Downstream | Calif.; USA Built; Universal |
| 1993 | Toyota | Supra | — | — | — | Downstream | Universal |
| 1993 | Toyota | Supra | — | — | — | Downstream | California exempt parts can be used on pollution controlled vehicles in California.; Universal |
| 1993 | Toyota | T100 | — | — | — | Downstream | California exempt parts can be used on pollution controlled vehicles in California.; Universal |
| 1992 | Lexus | SC300 | — | — | — | Downstream | Universal |
| No rows match your filter. | |||||||
Directly replaces or cross-references 27 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Bosch — 13051Bosch — 13095Bosch — 13104Bosch — 13136Bosch — 13141Bosch — 13142Bosch — 13164Bosch — 13338Bosch — 13340Bosch — 13422Bosch — 13520Bosch — 13566Bosch — 13618Bosch — 13902Bosch — 13916Bosch — 13920Bosch — 13986Bosch — 13988Bosch — 13989Bosch — 15208Bosch — 15210Bosch — 15211Bosch — 15414Bosch — 15415Bosch — 15416Bosch — 15417Bosch — 15418