ACDelco GM Original Equipment RC96 (25730158) 15 P.S.I. Radiator Cap

Customers find the radiator cap to be an exact OEM replacement that works well and offers good value for money. The cap stops slow leaks and provides a perfect fit, with one customer specifically mentioning its compatibility with a 2004 Buick Lesabre. While many customers find it easy to install, some report difficulty removing it.