The oil drain plug on a 2008 Honda Accord is typically a 14 mm plug with M14 x 1.5 threading. This size covers the common engines used that year.
In 2008, the Accord offered two gasoline engines: a 2.4-liter inline-four and a larger V6 option. The drain plug sizing for these engines is generally the same, though variations can occur if aftermarket pans or replacements were used. The sections below outline the standard size and how to confirm it for your specific vehicle.
Drain plug specifications
Key specifications to know before replacing the drain plug:
- Thread size: M14 x 1.5
- Socket/hex head size: 14 mm
- Washer: copper crush washer (or OEM equivalent)
- Replacement guidance: use an OEM plug or a compatible plug that matches M14 x 1.5 and includes the correct washer
These specs cover most 2008 Accords; however, variations can occur if the pan was replaced or if an aftermarket plug was installed. Always verify using the original part or the vehicle’s service manual.
How to verify the correct size on your car
To verify the drain plug size on your specific vehicle, follow these steps:
- Consult the owner's manual or Honda service bulletin for the recommended drain plug size and torque specification.
- Inspect the current drain plug to confirm thread size and head type (look for M14 x 1.5 and a 14 mm hex).
- If in doubt, bring the old plug to an auto parts store to match the size and pitch exactly.
- When replacing, ensure the new plug matches M14 x 1.5 and includes the correct washer; refer to the manual for the proper torque spec and installation procedure.
Verifying the size on your specific car helps prevent cross-threading and ensures proper sealing and torque. When unsure, seek the guidance of a professional mechanic.
Engine variation notes
In the 2008 Accord lineup, the drain plug size is typically consistent across the common engines, but there can be rare exceptions due to modifications or aftermarket parts. Always verify before substitution.
Special cases
Some aftermarket or salvaged parts may use different drain plugs. If you replaced the oil pan or installed non-OEM components, double-check the plug size and pitch before installation.
Summary
For 2008 Honda Accords, the standard oil drain plug is usually M14 x 1.5 with a 14 mm hex head and a copper washer. Confirm the exact size for your particular vehicle by checking the owner's manual, inspecting the current plug, or consulting a parts professional—especially if aftermarket parts or non-OEM components are involved. Keeping to the correct size helps prevent damage and ensures a proper seal during oil changes.