The cabin air filter for most 2019 Ram 1500 models is a rectangular panel roughly 9 by 9 inches and about 1 inch thick. Exact size can vary with HVAC configuration, so you should confirm by inspecting the current filter or checking the vehicle’s manual or parts catalog.
Know your exact size: options and how to verify
Because Ram offered multiple HVAC setups for the 2019 Ram 1500, the filter size can differ. The safest approach is to identify the specific size for your truck before purchasing a replacement.
To determine the precise size, follow these steps:
- Open the glove box and locate the cabin air filter cover behind or near it, then remove the cover.
- Take out the existing filter and measure its dimensions (width, height, and thickness) with a ruler or tape measure.
- Note the exact measurements in inches (or millimeters if you prefer metric) and compare them to standard filter sizes at auto parts stores.
- If you’re unsure, bring the old filter or note the vehicle’s VIN and consult a parts counter or dealer for the correct replacement size.
With the measurements in hand, you’ll be able to order a correctly sized filter and avoid fit issues or reduced filtration performance.
Typical sizes you might encounter
Manufacturers and aftermarket brands commonly sell cabin air filters for the 2019 Ram 1500 in a couple of close sizes. The most common options you’re likely to see are around the following dimensions, with thickness generally between 0.75 and 1 inch:
- Approximately 9 inches by 9 inches by 0.75–1 inch
- Approximately 8.75 inches by 8.75 inches by 0.75–1 inch
Always verify with the exact measurement of your current filter or the official parts listing for your specific truck configuration, since small deviations can affect fit and seal.
Where to buy and how to verify compatibility
Several reputable sources carry cabin air filters compatible with the 2019 Ram 1500. When shopping, use the exact dimensions or the vehicle’s VIN to confirm compatibility.
- OEM/Mopar parts departments (recommended for exact fit and filters designed for your truck’s HVAC system)
- Major auto parts retailers (AutoZone, Advance Auto Parts, O’Reilly Auto Parts)
- Reputable aftermarket brands (Bosch, Fram, K&N, Mann-Filter) with filter size listings
- Online retailers that provide vehicle-specific fitment (vehicle year, make, model, and trim)
When ordering, double-check the filter’s model number or part number if you can access the packaging, and compare to your old filter’s dimensions to ensure a precise match.
How to replace the cabin air filter in a 2019 Ram 1500
Replacing a cabin air filter is a relatively quick maintenance task. Here’s a concise guide to help you complete it correctly.
- Park the truck on a level surface and turn off the ignition. Open the glove box to access the filter housing.
- Remove the dampers or small stops that limit the glove box from dropping fully, if present, to gain clear access to the filter cover.
- unlatch or unscrew the filter housing cover and carefully remove the old filter, noting the airflow arrows on the filter frame.
- Clean the housing if needed and insert the new filter with the correct orientation indicated by the arrows or housing marks.
- Replace the housing cover, reattach any dampers, and close the glove box. Test the airflow by running the HVAC on a low setting before driving.
Using the correctly sized filter ensures optimal cabin air quality and proper HVAC performance.
Bottom line
For a 2019 Ram 1500, expect a cabin air filter that is roughly 9 x 9 inches with about 0.75–1 inch thickness, but the exact size can vary by HVAC configuration. Always confirm by measuring the current filter, checking the owner’s manual, or consulting a parts professional with your vehicle’s VIN.
Summary: The key to selecting the right cabin air filter for a 2019 Ram 1500 is to verify the exact dimensions of your vehicle’s current filter or reference the official parts listing for your specific HVAC setup. When in doubt, consult a dealer or a trusted parts retailer to ensure a precise fit and optimal filtration.