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The oil filter on the 2009 Chevrolet TrailBlazer can be found underneath the vehicle, positioned just in front of the oil drip pan. It is identified by the part number 3689-07523446 and is responsible for filtering out impurities from the engine oil to maintain its cleanliness. Typically, people opt to replace both the oil and filter simultaneously as they typically have similar lifespans. The price of an oil filter ranges between $5 to $10 depending on the retailer. If you choose to have a mechanic handle the oil and filter change, the labor costs can vary from $20 to $30, with additional charges for the parts.
The oil filter of a 2004 Chevy Trailblazer is positioned underneath the engine, close to the front and the crankshaft pulley.