After you spend 10 hours of your life removing the aluminum glue and plastic heater core that failed you, you may want to upgrade to a copper, brass and steel heater core.  It'll last a lot longer than your patience.

• This is made in the USA of copper brass and steel. 
• A vertical baffle bisects the tank to create the same flow path of the OE design.
• 20 fin per inch 

 Present Lead times.

Made in the USA