3991033 | Engine Knock Sensor - Cologne 4.0 V6 EFI SOHC | Discovery 4 (2010-2016)
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To check the stock of Genuine Parts before placing an order please use our Contact Us page
Land Rover Part Number: 3991033 - Engine Knock Sensor
3991033 is an Engine Knock Sensor fitted to the cylinder block of the Cologne 4.0 V6 EFI SOHC. The sensor detects engine knock and sends a voltage signal to the engine control unit.
Compatibility
- Discovery 4 (2010-2016) - Cologne V6 4.0 EFI SOHC - From VIN AA000001
Frequently Asked Questions
The 3991033 is a knock sensor mounted to the cylinder block of the Cologne 4.0 V6 EFI SOHC. It monitors for engine knock and transmits a voltage signal to the engine control unit.
| Model | Variant |
|---|---|
| Land Rover Discovery 4 (2010-2016) | Cologne V6 4.0 EFI SOHC - From VIN AA000001 |
If you are unsure of compatibility with your vehicle, you can also confirm by checking against your V.I.N. Simply reach out to us with your V.I.N and desired part number via our Contact page or use our Finding Part Numbers page.
Please consult a technician or the vehicle's service manual for guidance on replacement, as no standard replacement interval is provided for this sensor.
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All products and accessories available on LRDirect.com come with a 2-year warranty.