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Denso 234-4160 Oxygen Sensor - Downstream or Upstream
| Brand | Denso ACT1273 |
|---|---|
| Package | ZBAN9 |
| Product line | OE Style |
| Fits | —4 vehicles |
OE style replacement. Precision-built for exact replacement and a first-time fit.
Heated sensor. Helps deliver faster operation and consistent readings.
Aluminum oxide trap layer. Protects the ceramic element from silicone and lead poisoning.
Cross-references ACDelco 213-1432, BorgWarner OS1422 and BorgWarner OS2083 for the same application. See all 11.
OE-Style Oxygen Sensor for Toyota Applications
This Denso oxygen sensor is an OE-style, specific-fit replacement built for precise signal control and direct installation on select Toyota vehicles. It is a heated, 4-wire sensor with a 9.45-inch wiring harness, made for accurate exhaust monitoring on the listed upstream and downstream positions.
Compatible With 1994-1995 Toyota T100 upstream, 1992 Toyota 4Runner upstream, and 1992 Toyota Pickup downstream. Part number 234-4160 is a direct-fit option for drivers replacing a worn sensor on these Toyota applications.
Key Features
- Heated oxygen sensor for faster operating response
- Specific-fit design for exact replacement on listed vehicles
- OE-style construction for factory-style fit and function
- 4-wire configuration
- 9.45-inch wiring harness length
- Built and tested to OE standards
Product Details
Denso’s OE Style line focuses on direct replacement parts that match original equipment fitment and performance expectations. This oxygen sensor uses an aluminum oxide trap layer to help protect the ceramic element from silicone and lead contamination, supporting stable exhaust feedback and long service life. For Toyota T100, Toyota 4Runner, and Toyota Pickup applications, 234-4160 is engineered to install in the correct position and restore proper sensor operation without modification.
This part cross-references Bosch 13342 and NTK 24552 for the same application.
Common Issues This Sensor Can Address
- Check engine light related to oxygen sensor performance
- Incorrect air-fuel mixture feedback
- Poor fuel economy caused by a failing sensor
- Rough idle or hesitation tied to exhaust sensor signal loss
- Slow sensor response from age or contamination
Installation Notes
Verify the sensor position before ordering: this part is listed for upstream use on the 1994-1995 Toyota T100 and 1992 Toyota 4Runner, and downstream use on the 1992 Toyota Pickup. Confirm connector style, harness routing, and wire length against the original sensor before installation. Use proper oxygen sensor service tools and follow the vehicle service manual for torque and wiring handling.
Quality Assurance
Denso manufactures and tests this oxygen sensor to OE standards for consistent fit and function. The OE-style design and contamination-resistant trap layer support dependable operation on the specified Toyota applications.
| Year | Make | Model | Bed Length | Drive Type | Transmission | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1995 | Toyota | T100 | — | — | Manual | Upstream | OE Style |
| 1994 | Toyota | T100 | — | — | — | Upstream | OE Style |
| 1992 | Toyota | 4Runner | — | — | — | Upstream | California exempt parts can be used on pollution controlled vehicles in California.; OE Style |
| 1992 | Toyota | Pickup | 7' 2" Foot Bed | RWD | — | Downstream | California exempt parts can be used on pollution controlled vehicles in California.; OE Style |
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