Most 2003 Honda Pilot models with the 3.5L V6 use Honda’s oil filter part number 15400-PLM-A02. If you prefer aftermarket, choose a filter that specifies compatibility with Honda 3.5L V6/J-series engines and matches the same thread size and gasket diameter.
Understanding the engine and the filter basics
The 2003 Pilot is equipped with a 3.5-liter V6 engine (the J35A family). This is a standard spin-on oil filter setup that’s replaced with routine oil changes. Knowing the exact engine helps ensure you pick a filter that will seal properly and clear the oil passages correctly.
Honda OEM part number and aftermarket considerations
For the 3.5L V6 in the 2003 Pilot, the commonly cited Honda Genuine part is 15400-PLM-A02. Markets outside North America or variations between production runs can result in other nearby part numbers, so it’s a good idea to verify against your current filter or a VIN-based parts lookup.
Choosing an aftermarket option without risk
If you decide to use an aftermarket filter, focus on compatibility rather than a brand name. Use these criteria to guide your selection:
- Designed for Honda’s 3.5L V6/J-series engines
- Matches the same thread size and gasket diameter as the OEM filter
- Offers a filtration rating and oil capacity appropriate for a 3.5L V6 engine
- Specified to fit your exact model year and drivetrain configuration
Following these guidelines helps ensure you maintain proper filtration and oil flow, even with a non-OEM filter.
How to verify the correct filter before purchase
To minimize the chance of ordering the wrong part, use a precise verification process:
- Check the filter currently installed on the engine for a part number or branding
- Use your vehicle’s VIN to search an official Honda parts catalog or a trusted retailer’s lookup tool
- Ask your local Honda dealership or service shop to confirm the exact specification for your VIN
By confirming with these steps, you’re more likely to buy the correct filter the first time and avoid returns or fitment issues.
Summary
For a 2003 Honda Pilot with the 3.5L V6, the typical Honda OEM oil filter is 15400-PLM-A02. If you opt for aftermarket, ensure the filter is designed for Honda’s 3.5L V6 engines and matches the same thread and gasket dimensions, then verify using your VIN or the current filter to confirm fitment.


