Description
The Upper Inlet Manifold Gasket ERR6621 seals the joint between the upper and lower intake manifold sections on 4.0L and 4.6L Rover V8 engines. This gasket ensures proper sealing of the intake plenum, preventing vacuum leaks and maintaining correct airflow to the engine.
Over time, intake gaskets can deteriorate due to heat cycles and engine vibration. A worn gasket may cause rough idle, vacuum leaks, poor engine performance, or fault codes related to air/fuel mixture. Replacing the gasket during intake service helps restore proper sealing and engine efficiency.
Vehicle Fitment
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Discovery Series II | 1999–2004 | 4.0L V8
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Range Rover P38 | 1999–2002 | 4.0L V8
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Range Rover P38 | 1999–2002 | 4.6L V8
Supersession Part Numbers
No supersessions found.
FAQ
Where is this gasket installed?
It installs between the upper intake plenum and the lower intake manifold.
Which engines does this gasket fit?
It fits 4.0L and 4.6L Rover V8 engines used in Discovery II and Range Rover P38.
Should this gasket be replaced during intake service?
Yes. It is recommended whenever the upper intake manifold is removed.
Part Number: ERR6621
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