The oil drain plug on most Honda Accords uses a 14mm hex-head with a metric M14 x 1.5 thread. While this is the common setup across many engines and generations, some year- and engine-specific variants may differ, so always verify with your owner’s manual or the service manual for your exact model.
The size and type of the drain plug matter for a safe, leak-free oil change. This article breaks down the typical size, what to check for your particular Accord, and how to verify the specification for your exact year and engine.
Common size across the Accord lineup
Here is the typical setup you will encounter on most Honda Accords. The following list summarizes what you are likely to find on common engines and model years.
- Drain plug head: 14mm hex (socket) size
- Thread size: commonly M14 x 1.5
- Gasket: copper crush washer or O-ring is usually replaced during oil changes
- Torque range (typical): around 20–25 N·m (approximately 15–18 ft-lb); always confirm with the service manual
These specifications are the baseline for many Accord variants and provide a solid starting point for DIYers and technicians.
Year- and engine-specific notes
Engine type and model year can affect the exact plug and its thread. It’s possible, though uncommon, to encounter different configurations. When in doubt, consult the owner’s manual, service manual, or remove and inspect the existing plug to confirm size before buying a replacement.
- 1.5L and 2.0L turbocharged engines (modern Accords through recent years) typically use the 14mm hex head and M14x1.5 drain plug, with copper washer replacement recommended.
- Older non-turbo 2.0–2.4L K-series engines also largely follow the 14mm/M14x1.5 standard, but check your VIN and engine code.
- V6 and other variants may use the same or similar drain plug size; the safest approach is to verify via service manual or the plug itself.
Having the exact specification handy helps ensure you use the right socket size and don’t strip the plug or plug threads.
How to verify your specific model
To avoid mistakes, follow these steps to verify the drain plug size for your Accord:
- Check the owner's manual under maintenance or oil change section for the exact plug size and torque specification.
- Inspect the current drain plug: the hex-head size and the diameter of the plug can guide you; a 14mm socket that fits snugly is a strong indicator of standard size.
- Consult Honda service information for your engine code (e.g., K-series, L-series) to confirm if any deviations apply.
Following these checks will help ensure you have the correct tool and avoid damage during oil changes.
Summary
Across most Honda Accords, expect a 14mm hex-head drain plug with M14 x 1.5 threads, copper washer, and a typical torque of around 20–25 N·m, but always verify against your specific year and engine using the owner's or service manual.