LR021929 | Turbo Control Solenoid - 3.0 V6 Diesel | Discovery 4, Range Rover Sport
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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: LR021929 - Turbo Control Solenoid
LR021929 is a Turbo Control Solenoid. Fitted to the vacuum control and air injection assemblies on 3.0 V6 diesel engines, this solenoid regulates vacuum signals to the actuators that control turbocharger actuation and air injection timing. Correct operation ensures coordinated boost control and accurate air injection sequencing; a faulty or intermittent unit can cause diagnostic trouble codes, altered turbo response and irregular air injection timing. Use the compatibility data below to confirm fitment against your V.I.N.
Compatibility
- Discovery 4 (2010-2016) - 3.0 V6 Diesel (From VIN AA000001)
- Range Rover Sport (2010-2013) - 3.0 V6 Diesel (From VIN AA000001)
Frequently Asked Questions
The LR021929 turbo control solenoid modulates vacuum application within the vehicle vacuum control and air injection systems on 3.0 V6 diesel engines. It controls the vacuum supplied to the actuators that operate turbocharger actuation and air injection timing, enabling coordinated boost control and correct air injection sequencing. Failure or intermittent operation may set diagnostic trouble codes, reduce turbo response and disrupt air injection timing, so the unit should be replaced with the correct part number when confirmed faulty.
| Model | Variant |
|---|---|
| Land Rover Discovery 4 (2010-2016) | 3.0 V6 Diesel (RHD) - From VIN AA000001 |
| Land Rover Discovery 4 (2010-2016) | 3.0 V6 Diesel (LHD) - From VIN AA000001 |
| Land Rover Range Rover Sport (2010-2013) | 3.0 V6 Diesel (RHD) - 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.
Replace the solenoid if it develops faults such as diagnostic trouble codes, intermittent operation, or if turbocharger response or air injection timing is affected; inspect it when diagnosing turbo or emissions-related issues. If unsure, consult the vehicle workshop manual or a qualified technician.
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