The oil filter on a 2021 Honda Pilot is located in a cartridge-style housing on the side of the 3.5-liter V6 engine, typically accessed from beneath the vehicle behind the front underbody shield.
Location in the engine bay
In the 2021 Pilot, the oil filter is not in the oil pan. It sits inside a filter housing mounted on the side of the engine block. The housing is tucked toward the passenger side of the engine bay and is usually approached from underneath the vehicle, with the front underbody shield removed or loosened for access.
To help identify the exact spot, look for a cylindrical housing with a removable cap or cover that conceals the cartridge-style filter element. It will be near other engine accessories and hoses, toward the side of the engine rather than on the top of the valve cover.
- Location: Side of the engine block, on the passenger-side area, near the firewall and away from the oil pan.
- Access: Typically reached from underneath the vehicle, often requiring removal or loosening of the front underbody shield or splash guard.
- Filter type: Cartridge-style filter inside a housing, not a traditional top-mounted spin-on filter.
With these cues, you should be able to identify the oil filter housing on most 2021 Pilot models. If in doubt, consult the owner’s manual or a service manual for your exact trim and VIN, as layouts can vary slightly by production batch.
Maintenance access: what you’ll typically do
If you’re performing an oil change yourself, the following general steps outline how the cartridge-style oil filter is accessed and replaced in this vehicle. Always follow the official service manual for torque specs and precise procedures.
- Safety setup: Park on level ground, engine cold, and set the parking brake. Engage wheel chocks and disconnect the negative battery if working near electrical components.
- Prepare and access: Remove the front underbody splash shield or lower the shield enough to reveal the oil filter housing area.
- Remove old parts: Loosen and remove the filter housing cap to expose the cartridge element. Remove the old filter cartridge from the housing.
- Install new filter: Insert a new cartridge filter into the housing and reseal with the cap. Ensure the cap gasket is in good condition and torque to the specified value.
- Reassemble and refill: Reinstall the housing cap, replace the splash shield, refill the engine with the correct oil specification, and run the engine to check for leaks.
Note: This process describes a cartridge-type filter in a housing, which is the configuration used on the 2021 Honda Pilot’s 3.5L V6. If you are unsure about the exact steps or torque values, refer to Honda’s service documentation or have a professional perform the maintenance.
Safety reminders and resources
Always prioritize safety and verify location with your specific vehicle’s manual. If removing the underbody shield or working under the car, ensure the vehicle is securely supported and never rely on a jack alone.
For the most precise guidance, consult the 2021 Honda Pilot owner's manual or a Honda service bulletin related to your particular VIN. Independent repair guides and official Honda manuals can provide exact torque specs, filter part numbers, and procedural details.
Summary: The 2021 Honda Pilot uses a cartridge-style oil filter housed on the side of the 3.5L V6 engine. Access is usually from under the vehicle, behind the front underbody shield. If you are performing maintenance yourself, identify the housing, replace the cartridge, reseal the cap, and verify proper oil level after the service.


