Looking at the motor, it is directly in front. It looks like a Power Steering pump reservoir canister but is the oil cartridge filter housing.
The oil filter is located on the back side of the engine block. its on the lower passanger corner.
The oil filter on a 2008 Saturn Astra is located in front of the engine. The oil filter can be found on the underside of the exhaust manifold towards the passenger side of the vehicle.
It's located on the front of the engine block by the oil filter.
in the oil pan
On the motor!!
next to the oil filter. (side of engine, front of car)
The oil filter in the 2007 Saturn Sky is located under the hood right in front of the intake manifold. You will want to look for a black cap that has a raised hex on it. The filter is located underneath this cap.
It's on the engine.
up a mountain
Click the link to my blog where I discuss this in detail.
it is located down by the oil pan, it's a cartridge type filter,
Transmission filters are INSIDE the transmission. You need to remove the transmission oil pan. When you replace the filter, plan on replacing the pan gasket as well.