Description This 13 Chip Transponder Key for GM vehicles is an essential tool for any vehicle owner. With its advanced technology, it provides secure and reliable access to your vehicle. Its compatibility with GM models and long-lasting durability make it the perfect choice for your vehicle security needs. FAQsWhat vehicles are compatible with the GM B107PT transponder keyIt fits vehicles using the GM B107PT (PK3) key, such as Buick LaCrosse (2005–2009), Pontiac Grand Prix (2004–2008), and Saab 9‑7X (2006–2008).Is this an OEM or aftermarket key blankIt’s a reliable aftermarket blank by JMA, equivalent to OEM part numbers including Strattec 691205, 5902386, Ilco PT04PT, and others.