Saturn Sky, Transponder Key Blank, Circle Plus, GM Part# 15871576, OEM New Part - Closeouts
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The GM Part #15871576 is the genuine factory master Transponder Ignition Key Blank for the Saturn Sky roadster.
Key specifications and application details for this part number include:
• Key Blade Style:
Traditional double-sided edge-cut profile.
• Immobilizer Chip:
It features an integrated ID46 Philips Transponder Chip.
• Security Stamping:
The key head is marked with the GM "Circle Plus" (◯+) logo, indicating it contains an active anti-theft responder.
• Vehicle Fitment:
This master key is a direct OEM factory match for all model years of the 2007, 2008, 2009, and 2010 Saturn Sky (both the base 2.4L and the Red Line 2.0L Turbo variants).
• Replacement Note:
GM has officially updated this legacy catalog listing; if buying brand new factory stock today, it may be cross-referenced under superseded GM part number 23372322. In the locksmith industry, the universal aftermarket equivalent is known as B111-PT or GMX-100C.