I am changing a 2000 Buick regal radiator and I'm ordering it from rockauto and they have metric and sae thread... Not sure what I need to check. I'm thinking its metric


TYC 2343 {#52487052, 89018542, GM3010104}
Accessories Included: Brass Quick Disconnect (Diam. 3/8") x 2 Sensor Plug (PI-1139) x 1; w/ METRIC THREADS; Plastic/Aluminum
* Stocked in outlying warehouse--shipping delayed up to 1 business day
$66.79
APDI/PRO 8012351 {#10329500, 52401485, 52478255}
$85.79
VARIOUS MFR GM3010107 {Click Info Link for Alternate/OEM Part Numbers}
w/ 3.8L engine; w/supercharger; w/SAE threads