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NTK 25759 Oxygen Sensor - Downstream Left or Downstream Right
| Brand | NTK 25759 |
|---|---|
| Position | Downstream Right and Downstream Left |
| Wiring Harness Length | 45.2500 |
| Sensor Type | Heated |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Thread Diameter | 18.000 |
| Mounting Type | Threaded |
| Product line | Direct Fit Oxygen Sensor |
| Fits | Mercedes-Benz · 6 vehicles |
Direct fit design. Application-specific replacement for straightforward sensor service.
Heated sensor. Supports faster exhaust feedback once the engine reaches operating temperature.
OE-spec testing. Manufactured and checked to meet or exceed original equipment standards.
Cross-references 0095428018 for the same application. See all 1.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Direct Fit Oxygen Sensor
NTK Direct Fit Oxygen Sensor 25759 is a specific-fit heated oxygen sensor built for OE-style replacement on select Mercedes-Benz G65 AMG applications. It uses a threaded mounting design and a 4-wire configuration for direct installation on the listed downstream positions.
Key Features
- Heated oxygen sensor for precise exhaust monitoring
- Specific-fit design for the listed applications
- Threaded mounting type for direct replacement use
- 45.25-inch wiring harness length
- 18 mm thread diameter
- NTK 25759 is engineered to meet OE specifications
Detailed Description
NTK 25759 is part of the Direct Fit Oxygen Sensor line, a product line focused on application-specific replacement sensors with OE-style fit, form, and function. NTK is known for oxygen sensor manufacturing and uses ceramic technology from raw material through finished sensor production. This part cross-references Mercedes-Benz 0095428018 for the same application.
Compatible with 2016-2018 Mercedes-Benz G65 AMG downstream right and downstream left oxygen sensor locations, this sensor is built for the listed OE-equivalent placements. It is a practical replacement for a Mercedes-Benz G65 AMG oxygen sensor service where the original sensor has failed or is no longer reading correctly. The NTK 25759 part number is also useful when matching the correct direct-fit sensor for the specified downstream positions.
What It Is Used For
- Replacing a failed heated oxygen sensor
- Restoring exhaust gas feedback to the engine control system
- Addressing check engine light concerns related to oxygen sensor performance
- Correcting inaccurate air-fuel ratio readings from a worn sensor
- Servicing OE-equivalent downstream sensor locations
Installation Notes and Tips
Verify the connector, thread diameter, wire count, and downstream position before installation. Use the vehicle’s original routing and mounting points to avoid strain on the harness. Confirm the application by part number 25759 and the listed fitment before ordering.
Quality Assurance
NTK tests oxygen sensors during manufacturing to help ensure quality and reliability that meet or exceed OE specifications. The brand is part of the NGK family and is recognized as a major original equipment oxygen sensor supplier.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2018 | Mercedes-Benz | G65 AMG | 6.0L | V12 | Downstream Right | Downstream oxygen sensor with original equipment equivalent design; Direct Fit Oxygen Sensor |
| 2018 | Mercedes-Benz | G65 AMG | 6.0L | V12 | Downstream Left | Oxygen Sensor B2S2 placement designed to OE specifications.; Direct Fit Oxygen Sensor |
| 2017 | Mercedes-Benz | G65 AMG | 6.0L | V12 | Downstream Right | Downstream oxygen sensor with original equipment equivalent design; Direct Fit Oxygen Sensor |
| 2017 | Mercedes-Benz | G65 AMG | 6.0L | V12 | Downstream Left | Oxygen Sensor B2S2 placement designed to OE specifications.; Direct Fit Oxygen Sensor |
| 2016 | Mercedes-Benz | G65 AMG | 6.0L | V12 | Downstream Right | Downstream oxygen sensor with original equipment equivalent design; Direct Fit Oxygen Sensor |
| 2016 | Mercedes-Benz | G65 AMG | 6.0L | V12 | Downstream Left | Oxygen Sensor B2S2 placement designed to OE specifications.; Direct Fit Oxygen Sensor |
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