The engine air filter in a 2004 Dodge Ram 1500 sits inside a rectangular plastic air-cleaner housing in the engine bay, most often on the passenger side near the front. Access by unlatching or unclipping the lid to replace the filter.
Understanding the setup helps you locate the correct component quickly. The Ram’s air intake runs from a large duct at the front of the engine bay into the air-cleaner box, and the filter sits inside this box. While this year’s Rams share a common design, exact placements can vary slightly by engine option, so consult your owner’s manual or a parts diagram if you’re unsure.
Engine air filter location
To locate the air filter housing, follow these steps. The list describes the general path and key landmarks you’ll use in most 2004 Ram 1500 models.
- Open the hood and stand near the passenger side of the engine bay.
- Look for a rectangular black plastic box with a removable lid, usually mounted to or near the core support or fender area.
- Notice a large air intake hose or duct that connects to the top or side of the box; this is the incoming air path from the grille area.
- Check for metal clips or screws securing the lid; these must be released to lift the lid and access the filter inside.
With the box located and opened, you’ll be able to see the filter inside. If the vehicle has been driven in dusty conditions, you may notice a buildup of debris on or around the filter edge, indicating it’s time for replacement.
Cabin air filter
For most 2004 Ram 1500 models, there is no factory-installed cabin air filter. If your vehicle has one, it would be located behind the glove box or under the dash, and not part of the engine air-filter housing. Always verify by checking the owner’s manual or a parts diagram for your exact build if you’re unsure.
Replacing the engine air filter
Before you replace the filter, gather a new OEM- or manufacturer-recommended air filter of the correct size for your engine. Then follow these steps to complete the replacement.
- With the hood open, release the clips or screws holding the air-filter lid and lift the lid away from the housing.
- Carefully remove the old filter, noting its orientation and which side is facing upward or toward the throttle body.
- Clean any loose dust from the inside of the housing using a clean rag or compressed air if available (hold the can upright and use short bursts to avoid moisture).
- Insert the new filter in the same orientation as the old one, ensuring it sits flat and seals around all edges.
- Reinstall the lid and secure the clips or screws firmly, making sure there are no gaps where unfiltered air could bypass the filter.
- Close the hood and, if desired, run the engine briefly to check for any unusual intake noises indicating a loose seal.
After replacing, note that a typical maintenance interval for engine air filters is about every 12,000 to 15,000 miles under normal conditions, with more frequent changes in dusty or harsh environments. Always follow the vehicle’s maintenance schedule and the filter supplier’s recommendations for your specific engine variant.
Summary
In a 2004 Dodge Ram 1500, the engine air filter is located inside a rectangular plastic air-cleaner housing in the engine bay, commonly on the passenger side near the front. Access the filter by unfastening the lid, remove the old filter, install a new correctly sized filter, and reseal the housing. Most Rams of this era do not include a factory cabin air filter, but if your vehicle has one, it is located in the dashboard area behind the glove box or under the dash. Regular inspection and timely replacement keep the engine breathing clean air and help maintain performance.
How many air filters does a Ram 1500 have?
two air filters
Your RAM 1500 has two air filters.
Where is the air filter located on a Dodge Ram 1500?
Begin loosening the six 10 mm airbox cover mounting bolts in a counterclockwise. Direction keep in mind these are encased bolts. So they will only need to be loosened. And not removed.
What year to stay away from RAM 1500?
“Worst” years are commonly considered 2011–2013, with 2014–2016 needing closer inspection. Many buyers prefer 2017+, especially 2019+. Buyers most often mention concerns related to transmission behaviour and electrical/infotainment issues, depending on model year and trim.
Does an 04 Dodge Ram 1500 have a cabin air filter?
2004 Dodge Ram 1500 V8: No In-Cab Air Filter Causes Poor AC Flow.


