This Bosch upstream right oxygen sensor is a direct-fit replacement for Porsche Cayenne S applications listed in the fitment table below. Mounted before the catalytic converter, it gives the DME the fast air-fuel feedback needed for mixture control. Bosch has been a global leader in automotive technology since 1886, pioneering innovations like electronic fuel injection and oxygen (lambda) sensors that shaped modern engine management. Today, Bosch supplies OEM-quality sensors, engine electronics, ignition components, and braking parts found in vehicles worldwide. Known for precision engineering and reliable performance, Bosch parts are built to factory specifications for dependable fitment and long-term durability.
Technical Details
- Manufacturer part number: 17157
- Type: Heated wideband oxygen / air-fuel ratio sensor
- Position: Upstream right, before catalyst
- Direct-fit connector and harness for OE-style installation
- Pre-coated threads with anti-seize compound for service installation
Fitment & Compatibility
Use the fitment table below to confirm year and submodel. On V8 Cayenne applications, verify bank and connector layout before ordering so the correct upstream sensor goes in the correct location.
Oxygen sensor service gets easier when the bank position is confirmed before the wrench comes out. We have been helping with Porsche exhaust and engine management fitment for over 20 years, and we still recommend checking the original part number first.
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2003 | Porsche | Cayenne | S | |
| 2004 | Porsche | Cayenne | S | |
| 2005 | Porsche | Cayenne | S | |
| 2006 | Porsche | Cayenne | S |