Parts for your 2018 Honda Odyssey-Oil filter

2018 Honda Odyssey Oil Filter — What It Does and When to Replace It

Based on Honda technical material, an engine oil filter is absolutely fitted and relevant to the 2018 Honda Odyssey. This is documented in the 2018 Odyssey Owner’s Manual (Maintenance section: Engine Oil/Filter), Honda Service Information (ServiceExpress procedures for engine oil and filter replacement), and Honda Genuine Parts catalogues that list a spin‑on oil filter for this model (commonly Genuine Honda P/N 15400‑5J6‑003 or a superseding equivalent, varying by market and engine option). It’s a standard full‑flow filter on the Odyssey’s petrol engine, not an optional extra.

On this Odyssey, the oil filter’s job is to catch fine metal, soot and sludge so the engine keeps its oil pressure, lubrication film, and quiet operation. A good filter helps the variable valve timing and lifters play nicely on cold starts, while the anti‑drainback valve keeps oil up in the galleries so there’s less clatter first thing in the morning. There’s also a bypass valve built in, so if the element ever clogs, oil can still circulate and protect the engine.

For service, the practical call in Aussie and Kiwi conditions is to replace the oil filter at every oil change, even though Honda’s Maintenance Minder may only mandate it on “B” services. Most owners and workshops pair a fresh filter with every oil change interval. Typical intervals are around 10,000–15,000 km or 12 months, whichever comes first, but follow the car’s Maintenance Minder and driving conditions. Always use a quality filter that meets Honda spec, lightly oil the gasket, spin it on until the gasket touches the base, then tighten about three‑quarters of a turn by hand (or use the service torque if you’ve got the gear). Don’t overdo it, and never double‑gasket. Replace the sump plug washer, check for leaks after start‑up, and dispose of the old oil and filter responsibly.

Signs the Odyssey’s filter is past its best can include dark, gritty oil soon after a change, a brief oil pressure warning flicker on hot idle, or extra valvetrain noise on cold starts. If any of that shows up early, bring the service forward and get eyes on the filter and oil quality.

• Use the correct spec oil and a genuine or high‑quality equivalent filter.
• Change the filter with each oil service for peace of mind.
• Work clean, avoid cross‑threading, and check for leaks.

Popular questions about 2018 Honda Odyssey oil filters

Which oil filter fits a 2018 Honda Odyssey?
The 2018 Odyssey uses a spin‑on oil filter. Genuine Honda listings commonly show P/N 15400‑5J6‑003 or a superseding equivalent depending on market and exact engine option. Because part numbers can update, it’s smart to confirm against the VIN or the Owner’s Manual before buying.

How often should the oil filter be changed?
Best practice is every oil change. While Honda’s Maintenance Minder often calls the filter specifically at “B” services, many workshops in Australia and New Zealand replace it each time for long‑term engine health, especially with mixed city and family use. Aim for roughly 10,000–15,000 km or 12 months, guided by the Minder and driving conditions.

How tight should the filter be?
After the gasket makes contact, tighten about 3/4 of a turn by hand. If using a torque wrench with a suitable cup, follow the service torque spec. Always oil the gasket first, and after start‑up, check for leaks around the base and the sump plug.