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Denso 234-4067 Oxygen Sensor - Downstream, Upstream, Upstream Left or Upstream Rear
Overview of the Denso OE Style Oxygen Sensor 234-4067
The Denso OE Style Oxygen Sensor 234-4067 is designed specifically for select Ford and Mazda vehicles, including the Mazda 626, 929, MX-6, and the Ford Probe. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases precisely.
- Heated sensor type for faster activation and improved efficiency
- Specific fit for Ford and Mazda models: 626, 929, MX-6, and Probe
- Threaded mounting type with a 0.708-inch thread diameter
- 19.29-inch wiring harness length with 4 wires and a male connector
- Part number 234-4067 for exact replacement compatibility
Detailed Features and Specifications
This oxygen sensor features a heated element that allows it to reach operating temperature quickly, reducing emissions during cold starts. The 19.29-inch wiring harness length provides sufficient reach for proper installation in the engine bay. With four wires and a male connector, it integrates seamlessly with the vehicle’s existing wiring harness. The threaded mounting type with a 0.708-inch diameter ensures a secure and precise fit. This sensor is a specific fit part, engineered to meet the exact requirements of the Ford Probe and Mazda 626, 929, and MX-6 models, ensuring reliable performance and compatibility.
About the Denso OE Style Product Line
The Denso OE Style line is designed to match the original equipment specifications for emission control sensors. This product line focuses on delivering parts that meet or exceed factory standards, providing a direct replacement solution without modification. The OE Style oxygen sensors, including part number 234-4067, are engineered to maintain the integrity of the vehicle’s emissions system and support proper engine management.
Common Applications and Issues Addressed
- Helps resolve rough idling caused by faulty oxygen sensor readings
- Reduces increased fuel consumption due to incorrect air-fuel mixture
- Prevents check engine light triggers related to oxygen sensor faults
- Supports emission system compliance by accurately monitoring exhaust gases
- Improves overall engine performance and responsiveness
Installation Notes and Tips
When installing the Denso OE Style Oxygen Sensor 234-4067, ensure the engine is cool to avoid burns. Use the correct socket size for the 0.708-inch threaded sensor to prevent damage. Verify the wiring harness length of 19.29 inches is sufficient for your vehicle’s routing. Confirm the male connector matches the vehicle’s harness to ensure proper electrical connection. It is recommended to apply anti-seize compound on the threads to facilitate future removal.
Quality Assurance and Warranty
Denso manufactures this oxygen sensor to meet strict quality standards consistent with original equipment. The OE Style line is tested for durability and performance under typical operating conditions. While specific warranty details are not provided here, Denso parts generally come with a limited warranty covering defects in materials and workmanship.
| Brand | Denso |
| Part Number | 234-4067 |
| Position | OE Style, Upstream |
| Connector Gender | Male |
| Mounting Type | Threaded |
| Sensor Type | Heated |
| Thread Diameter | 0.708 |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Wiring Harness Length | 19.29 |
This part fits 27 vehicles. Search below:
| Year | Make | Model | Transmission | Position | Notes |
|---|---|---|---|---|---|
| 2000 | Mazda | 626 | Upstream | Loc. Manifold; Canada & Exc. Calif.; Rear; OE Style | |
| 1999 | Mazda | 626 | Upstream | Loc. Manifold; Rear; OE Style | |
| 1998 | Mazda | 626 | Upstream | Loc. Manifold; Rear; OE Style | |
| 1997 | Ford | Probe | Manual | Upstream | Sell out reorder 234-3010; OE Style |
| 1997 | Ford | Probe | Downstream | OE Style | |
| 1997 | Mazda | 626 | Downstream | OE Style | |
| 1997 | Mazda | MX-6 | Downstream | OE Style | |
| 1996 | Ford | Probe | Upstream Rear | Canada; OE Style | |
| 1996 | Ford | Probe | Manual | Upstream | Sell out reorder 234-3010; OE Style |
| 1996 | Ford | Probe | Downstream | OE Style | |
| 1996 | Mazda | 626 | Upstream Rear | Canada; OE Style | |
| 1996 | Mazda | 626 | Downstream | OE Style | |
| 1996 | Mazda | MX-6 | Upstream Rear | Canada; OE Style | |
| 1996 | Mazda | MX-6 | Downstream | OE Style | |
| 1995 | Ford | Probe | Upstream Rear | Excluding California.; OE Style | |
| 1995 | Mazda | 626 | Upstream Rear | Canada & Exc. Calif.; OE Style | |
| 1995 | Mazda | 929 | Upstream Left | OE Style | |
| 1995 | Mazda | MX-6 | Upstream Rear | Canada & Exc. Calif.; OE Style | |
| 1994 | Ford | Probe | Upstream Rear | Excluding California.; OE Style | |
| 1994 | Mazda | 626 | Upstream Rear | Canada & Exc. Calif.; OE Style | |
| 1994 | Mazda | 929 | Upstream Left | OE Style | |
| 1994 | Mazda | MX-6 | Upstream Rear | Canada & Exc. Calif.; OE Style | |
| 1993 | Ford | Probe | Upstream Rear | OE Style | |
| 1993 | Mazda | 626 | Upstream Rear | OE Style | |
| 1993 | Mazda | 929 | Upstream Left | OE Style | |
| 1993 | Mazda | MX-6 | Upstream Rear | OE Style | |
| 1992 | Mazda | 929 | Upstream Left | OE Style |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.