What is this part called?

2006 PONTIAC GRAND PRIX
195,000 MILES • 3.8L • 6 CYL • 2WD • AUTOMATIC
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DERICKSCHL
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I can't figure out what a part is called. It's the part that my passenger side inner CV axle goes inside. It is busted.
Jan 10, 2024 at 4:59 AM
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CARADIODOC
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Any chance you can post a photo of it? Does it look like the photo below? If so, they call that the "extension housing".
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Jan 10, 2024 at 7:54 AM