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Message: There are two incompatible versions

Changed By: Boxsterra
Change Date: November 15, 2023 08:21AM

There are two incompatible versions
Both components (mechanical and electrical) of the ignition were upgraded to improve their design. The old revisions are not compatible with the new ones.

For the electrical portion the housing on the older OEM version is black and the newer version is white. Note that it's the outer housing that differs in color. The back part with the tabs is always black.

4A0-905-849B - original part - black housing

[img]https://b3cf687fb16d8807c019-0ed8db0a46e14049c19fe7e32639e097.ssl.cf2.rackcdn.com/V4A0905849B.jpg[/img]


4B0-905-849 - new part - white housing

[img]https://b3cf687fb16d8807c019-0ed8db0a46e14049c19fe7e32639e097.ssl.cf2.rackcdn.com/G4B0905849.jpg[/img]

The Pelican Parts one linked by Blackbird is the old version and probably won't work. But if you take a look at what's on your car you should be able to tell easily enough.

The blade on the screwdriver you linked to on Amazon is too fat for that application. The screw slot is quite small.

If I were you I would get two of them, replace the existing one, and keep a spare. It's a cheap part and the symptoms of it going bad are at best annoying.
Changed By: Boxsterra
Change Date: November 15, 2023 08:20AM

There are two incompatible versions
Both components (mechanical and electrical) of the ignition were upgraded to improve their design. The old revisions are not compatible with the new ones.

For the electrical portion the housing on the older OEM version is black and the newer version is white. Note that it's the outer housing that differs in color. The back part with the tabs is always black.

4A0-905-849B - original part - black housing

[img]https://b3cf687fb16d8807c019-0ed8db0a46e14049c19fe7e32639e097.ssl.cf2.rackcdn.com/V4A0905849B.jpg[/img]


4B0-905-849 - new part - white housing

[img]https://b3cf687fb16d8807c019-0ed8db0a46e14049c19fe7e32639e097.ssl.cf2.rackcdn.com/G4B0905849.jpg[/img]

The Pelican Parts one linked by Blackbird is the old version and probably won't work. But if you take a look at what's on your car you should be able to tell easily enough.

The blade on the screwdriver you linked to on Amazon is too fat for that application. The screw slot is quite small.

If I were you I would get two of them, replace the existing one, and keep a spare.
Changed By: Boxsterra
Change Date: November 15, 2023 08:19AM

There are to two incompatible versions
Both components (mechanical and electrical) of the ignition were upgraded to improve their design. The old revisions are not compatible with the new ones.

For the electrical portion the housing on the older OEM version is black and the newer version is white. Note that it's the outer housing that differs in color. The back part with the tabs is always black.

4A0-905-849B - original part - black housing

[img]https://b3cf687fb16d8807c019-0ed8db0a46e14049c19fe7e32639e097.ssl.cf2.rackcdn.com/V4A0905849B.jpg[/img]


4B0-905-849 - new part - white housing

[img]https://b3cf687fb16d8807c019-0ed8db0a46e14049c19fe7e32639e097.ssl.cf2.rackcdn.com/G4B0905849.jpg[/img]

The Pelican Parts one linked by Blackbird is the old version and probably won't work. But if you take a look at what's on your car you should be able to tell easily enough.

The blade on the screwdriver you linked to on Amazon is too fat for that application. The screw slot is quite small.

Original Message

Author: Boxsterra
Date: November 15, 2023 08:19AM

There are to incompatible versions
Both components (mechanical and electrical) of the ignition were upgraded to improve their design. The old revisions are not compatible with the new ones.

For the electrical portion the housing on the older OEM version is black and the newer version is white. Note that it's the outer housing that differs in color. The back part with the tabs is always black.

4A0-905-849B - original part - black housing

[img]https://b3cf687fb16d8807c019-0ed8db0a46e14049c19fe7e32639e097.ssl.cf2.rackcdn.com/V4A0905849B.jpg[/img]


4B0-905-849 - new part - white housing

[img]https://b3cf687fb16d8807c019-0ed8db0a46e14049c19fe7e32639e097.ssl.cf2.rackcdn.com/G4B0905849.jpg[/img]

The Pelican Parts one linked by Blackbird is the old version and probably won't work. But if you take a look at what's on your car you should be able to tell easily enough.

The blade on the screwdriver you linked to on Amazon is too fat for that application. The screw slot is quite small.