Oil Separator PCV Repair Kit – Land Rover 3.0L AJ20P6 | Discovery 5 / New Defender / Range Rover | OEM LR166809PCV Repair Kit Land Rover 3. 0L AJ20P6 Discovery 5 New Defender Range Rover OEM LR166809 Fix Oil Consumption and PCV Faults on Your Land Rover 3. 0L AJ20P6 Oil Separator Repair Kit. A failed oil separator on Land Rover 3. 0L AJ20P6 petrol engines in Discovery 5, New Defender, and Range Rover causes oil consumption, oil mist in the intake, and PCV fault codes. This repair kit restores correct oil separator function compatible with assembly LR166809.

and A205 develop over time as internal rack components wear

Suitable for selected Audi

and Clio fails over time — causing single-door lock failures where the central locking motor runs but the door latch doesn't engage

the flap regulator arm contacts the manifold housing directly — causing damage and incorrect flap positioning

Worn injector O-rings and seals on the Kia K7 and Hyundai Grandeur/Aslan cause fuel leaks

Unstable operation related to intake runner control

the power-fold mirror mechanism uses a 30-tooth plastic gear that strips and cracks with age

Porsche Panamera 2017–2024

6 petrol engine intake manifolds (BGU

0 FSI valve cover repair applications using the matching crankcase ventilation design

Supports repair of the existing separator

7 CDTI Z17DTH / Z17DTL — Direct Replacement