Oil Cooler O Ring sizes?

[WhatsWrongWithMySonic480]

Long story short - my oil cooler needs to be replaced, but I’m having trouble finding the correct o rings. I purchased the Dorman Engine Oil Cooler (918-432), a new exhaust manifold gasket set. and all I need is the gaskets/o rings, and maybe a new exhaust pipe flange gasket. But there are so many, and I’m not sure which one to buy, or where they go. I believe there is a total of 3 that needs to be replaced (inlet & outlet pipes, as well as the part that goes into the cooler; which happens to be a little bigger that the others?). HELP! Part numbers and locations appreciated. Thanks!

I have a 2015 Sonic LS with a 1.8L engine.

 

[TurtleOverlord]

Dorman one should come with everything, although you dont need all of them if you got a new cooler.

2015 CHEVROLET SONIC 1.8L L4 Oil Cooler Seal | Shop Now at RockAuto

Engine Parts and More for Your 2015 CHEVROLET SONIC at Reliably Low Prices. Fast Online Catalog. DIY-Easy. Your Choice of Quality. Full Manufacturer Warranty.

www.rockauto.com

Others listed under a different sub-menu:

2015 CHEVROLET SONIC 1.8L L4 Oil Cooler Gasket | Shop Now at RockAuto

Engine Parts and More for Your 2015 CHEVROLET SONIC at Reliably Low Prices. Fast Online Catalog. DIY-Easy. Your Choice of Quality. Full Manufacturer Warranty.

www.rockauto.com