The 2021 Acura RDX uses a cartridge-style engine oil filter. The OEM filter is Honda/Acura compatible and is most commonly listed as part number 15410-PLM-A01 (verify for your market). Use either the genuine Honda/Acura cartridge or a high-quality aftermarket cartridge designed for the 2.0L turbo engine and 0W-20 oil.
In this model year, the oil filter isn’t a traditional spin-on canister; instead, it relies on a replaceable cartridge inside the housing. The correct cartridge is replaced during an oil change, along with a new gasket for the housing cap. Always confirm the exact part number for your vehicle’s market or via a VIN-based parts lookup, as numbers can vary by region.
Filter type and part-number considerations
To source the right filter, consider these options and guidance:
- OEM Honda/Acura engine oil filter cartridge — commonly cited as 15410-PLM-A01 (verify for your market).
- Equivalent aftermarket cartridge filters designed for Honda/Acura 2.0L turbo engines; ensure compatibility with the housing and gasket.
- Dealer or service center confirmation via VIN lookup to obtain the exact VIN-specific part number.
Using the correct cartridge type is crucial to ensure proper oil filtration and sealing. When in doubt, rely on OEM parts or a trusted aftermarket filter that explicitly states compatibility with the 2.0L turbo RDX.
How to replace the oil filter cartridge (DIY guide)
Follow these steps if you’re performing an oil change and replacing the cartridge filter:
- Warm up the engine, then turn it off and let the oil cool briefly.
- Lift and secure the vehicle, place a drain pan underneath, and remove the oil drain plug to drain the old oil.
- Remove the oil filter housing cap to access the cartridge filter.
- Remove the old cartridge, clean the housing interior, and inspect the O-ring gasket on the housing cap.
- Lubricate the new cartridge’s O-ring with a bit of fresh oil, install the new cartridge, and reseat the housing cap securely.
- Reinstall the drain plug, refill with the recommended 0W-20 oil to the correct level, and run the engine to check for leaks.
Note: Always use the correct cartridge-type filter and gasket. Using an incompatible filter can cause leaks or inadequate filtration.
Summary
The 2021 Acura RDX uses a cartridge-style engine oil filter. The typical OEM part number is 15410-PLM-A01, though you should verify the exact number for your market or VIN. Replace the cartridge during oil changes, along with the housing gasket, and use 0W-20 oil as specified in the owner’s manual. When purchasing, prioritize OEM cartridges or clearly compatible aftermarket options and confirm fitment via VIN lookup or a trusted dealer.