Bosch 0261231146 left ignition knock (detonation) sensor for the 2011-2015 Volkswagen Jetta 4-cylinder 2.0L, the 2013-2021 Jetta 4-cylinder 1.4L, the 2022-2023 Jetta 4-cylinder 1.5L and other vehicles monitors engine vibration and signals the control unit to adjust ignition timing as needed. It is designed to original equipment specifications.
- Detects engine knock to help protect critical components and maintain performance
- Improves combustion efficiency and reduces fuel consumption by up to 9%
- Increases torque by up to 5%
- Allows the use of multiple quality fuels with various anti-knock properties
- Durable metal and plastic construction for harsh operating conditions
Quick facts
- Part: Bosch 0261231146 ignition knock (detonation) sensor
- Fits: 2011-2015 Volkswagen Jetta 4-cylinder 2.0L, the 2013-2021 Jetta 4-cylinder 1.4L, the 2022-2023 Jetta 4-cylinder 1.5L and other vehicles
- Position: Left
- Material: Metal - Plastic
- Condition: New
A failing sensor can show up as a check engine light, pinging under load or reduced power, but other faults cause the same signs. Before replacing it, look over the sensor connector and wiring with the engine off for cracks, corrosion or damage. If a faulty sensor is the cause, this one replaces it.
Fits
Among the vehicles it fits are the 2012-2018 Volkswagen Passat V6 3.6L, which takes one, the 2000-2006 Volkswagen Golf 4-cylinder 1.8L and the 2001-2006 Golf 4-cylinder 2.0L, which take two, and the 2002-2005 Golf V6 2.8L, which takes one. This listing is one left sensor.
Specifications
Fit and size
- Position: Left
- Terminal quantity: 2
- Quantity per vehicle: varies by engine
Build and materials
- Material: Metal - Plastic
- Condition: New
In the box
One ignition knock (detonation) sensor. The wiring harness is not included.
Interchange: 030905377D · 95560612500 · 030905377C
This part cross-references / interchanges with the following part numbers:
030905377D, 95560612500, 030905377C
Frequently Asked Questions
Does the Bosch 0261231146 knock sensor fit a 2012-2018 Volkswagen Passat V6 3.6L?
Yes, Bosch 0261231146 fits the 2012-2018 Volkswagen Passat V6 3.6L, which takes one sensor. For any other car, check your year and engine in the "Vehicles it fits" section.
Does the Bosch 0261231146 knock sensor come with a wiring harness?
No. Bosch 0261231146 is one ignition knock (detonation) sensor; the wiring harness, pulley and solenoid are not included.
What is this Bosch knock sensor made of and how many terminals does it have?
The sensor is made of metal and plastic and has 2 terminals.
What signs can a worn ignition knock (detonation) sensor show?
A check engine light, engine pinging under load or reduced power can be signs, though other faults cause the same. The sensor signals the control unit to adjust ignition timing, so a shop can test it.
Can this Bosch knock sensor work with different fuel grades?
Yes, the sensor is designed to let the engine run on multiple quality fuels with various anti-knock properties by signaling the control unit to adjust ignition timing.
