My advice would be to use an AC/Delco filter in your Chevy. AC/Delco makes one of the best filters you can buy. Other than that, Purolator or Wix make excellent filters.
It should have a 2.2L L4 engine.
its a closed for life transmition
ac delco pf457 filter
bosch
CH9018...It's a really small filter, doesn't even come in a canister like a lot of filters do.
There are a variety of options for one to purchase accessories for a Chevy Cobalt. One of the best options is the Everything Cobalt site which offers just about any kind of accessory available for the Cobalt. Other options for accessories are Auto Anything and Auto Parts Warehouse.
Edmunds gave the 2007 Chevy Cobalt Coupe LS decent reviews. They did complain about the car because of how the engine works, but it is fairly a good car.
A/C Delco.
A quality filter such as AC/Delco is the filter your should use.
If you have the regular cobalt you need to use 87 octane gas and if it is the ss with the supercharged engine you use high test.
Look in your owners manual but usually 5w-30.
The filter is part number #0230291k, however the filter in the 2006 Honda Odyssey is an internal filter and can not be removed with the transmission in the car.