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Denso 234-4197 Oxygen Sensor - Downstream Right
| Brand | Denso 234-4197 |
|---|---|
| Position | Downstream Right |
| Connector Gender | Male |
| Mounting Type | Threaded |
| Sensor Type | Heated |
| Thread Diameter | 0.708 |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Wiring Harness Length | 44.49 |
| Product line | OE Style |
| Fits | Nissan · 2 vehicles |
OE style replacement. Precision-built for an exact, first-time fit.
Heated sensor. Helps support efficient engine performance and fuel economy.
Aluminum oxide trap layer. Protects the ceramic element from silicone and lead contamination.
Cross-references Bosch 18005, Datsun/Nissan 226A0EK810 and Delphi ES20056 for the same application. See all 6.
Denso OE Style Oxygen Sensor 234-4197
Denso 234-4197 is an OE-style heated oxygen sensor built for exact replacement and first-time fit. It is engineered for the downstream right position on select 2004 Nissan Frontier and 2004 Nissan Xterra applications, with the sensor response and connector layout needed for direct service replacement.
Key Features
- Heated oxygen sensor for faster operating readiness
- Specific-fit design for direct replacement service
- 4-wire configuration with male connector
- Threaded mounting type with 0.708 in. thread diameter
- 44.49 in. wiring harness length for proper routing
- OE Style construction for 2004 Nissan Frontier and 2004 Nissan Xterra, downstream right
OE Style Design
Denso’s OE Style line is built to match original equipment fit and function for service work that demands accurate installation and dependable sensor performance. Part number 234-4197 uses a heated, threaded design and a specific-fit configuration to support direct replacement on the downstream right side. This part cross-references Bosch 18005 for the same application.
Vehicle Fitment
- Fits 2004 Nissan Frontier, downstream right.
- Fits 2004 Nissan Xterra, downstream right.
Common Replacement Uses
- Check engine light caused by a failing downstream oxygen sensor
- Incorrect exhaust oxygen readings affecting fuel control strategy
- Reduced fuel economy from an aging sensor element
- Slow sensor response after contamination or wear
- Service replacement for OE-style emissions repair on 2004 Nissan Frontier and 2004 Nissan Xterra
Installation Notes
Verify the downstream right location before installation and confirm connector style, thread diameter, and harness length against the original sensor. The threaded mounting design supports direct replacement in the factory exhaust bung. Always inspect the harness routing and connector condition during service to avoid strain or poor electrical contact.
Quality Assurance
Denso manufactures and tests this oxygen sensor to OE standards, with precision-built components intended to match original fitment requirements. The sensor also uses Denso’s aluminum oxide trap layer to help protect the ceramic element from silicone and lead contamination, supporting stable engine performance and long service life. Part number 234-4197 is built for the right fit the first time.
| Year | Make | Model | Transmission | Position | Notes |
|---|---|---|---|---|---|
| 2004 | Nissan | Frontier | Automatic | Downstream Right | OE Style |
| 2004 | Nissan | Xterra | Automatic | Downstream Right | OE Style |
| No rows match your filter. | |||||