Keep ignition timing in check and help protect critical engine components with this Bosch sensor, the Bosch Ignition Knock (Detonation) Sensor 0261231173. It is designed to original equipment specifications and serves as a direct-fit replacement for many vehicles, among them the 2015-2018 Jeep Renegade, 2013 Dodge Dart and 2006-2012 Porsche Cayman; see the "Vehicles it fits" section for the full list.
The sensor monitors engine vibrations to detect knock. It then signals the control unit to adjust ignition timing as needed, which helps prevent engine damage, improve combustion efficiency and support smoother operation.
- OE-quality detection: Precisely detects engine knock for optimum engine protection and consistent ignition control.
- Efficiency and torque: Bosch OE-quality knock sensors are designed to help improve combustion efficiency. Bosch rates them to reduce fuel consumption by up to 9% and increase torque by up to 5%.
- Fuel flexibility: Enables the use of fuels with various anti-knock properties.
- Durable construction: Built for reliable performance in harsh conditions. Its accurate response supports reduced fuel consumption and emissions.
Signs this part may need replacing: a check engine light with a knock sensor code, audible pinging or spark knock under load, or reduced power and fuel economy. These symptoms can have other causes, so diagnose the problem before replacing parts. If a failed knock sensor is the cause, this unit replaces it.
Interchange: 50046873 · 68070745AA · 0PB905377A · 0PB905377B · 0PB905377C
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
50046873, 68070745AA, 0PB905377A, 0PB905377B, 0PB905377C
Frequently Asked Questions
What does a knock sensor do?
It monitors engine vibrations to detect knock (detonation) and signals the engine control unit, which adjusts ignition timing as needed to help protect engine components.
What are signs a knock sensor may need replacing?
Signs include a check engine light with a knock sensor code, audible pinging, or reduced power and fuel economy. These symptoms can have other causes, so diagnose the problem first.
Which vehicles does Bosch 0261231173 fit?
It fits many vehicles, among them the 2015-2018 Jeep Renegade, 2013 Dodge Dart and 2006-2012 Porsche Cayman. See the "Vehicles it fits" section for the full fitment chart.
What part numbers does this knock sensor interchange with?
It interchanges with 50046873, 68070745AA, 0PB905377A, 0PB905377B and 0PB905377C.
Does a knock sensor help with different fuel grades?
Bosch OE-quality knock sensors are designed to enable the use of fuels with various anti-knock properties. They signal the control unit to adjust ignition timing when knock is detected.
