Rock Auto. GM Genuine or OSC. Have used OSC in several applications and can only recall one issue to date. Think both have a lifetime warranty. However, at least one member reported receiving a damaged radiator on multiple occasions from them.
Yes it was me that received 3 damaged radiators from Rock Auto. Bought it from a GM dealership for the same price un damaged. Issues were poorly packaged, likely damaged by delivery service the other was damaged in the box. I opened the box in front of the delivery guy. Bad luck with radiators and Rock Auto.
Give some extra cooling power to the V8 under the hood of your 2008-2009 Pontiac G8 with the Mishimoto Performance Aluminum Radiator. Our radiator design swaps out the thin core and plastic end tanks for full aluminum construction, TIG-welded for maximum