Flexalite Oil Cooler Sandwich Adapter Kit Thread Size 18mm x 1.5 in.

This Flex-a-lite® sandwich adapter is used to add an oil filter to a vehicle that didn't originally come with one. This application fits most Buick L4 & V6, most Oldsmobile, some Pontiac, metric Cadillac, Chevy: all V6 and most 4cyl., some Isuzu, Jeep V6, metric AMC, Saab V6.

• 18x1.5mm thread
• 1 5/8-inch thick adapter
• 2 ½-inch O-ring