The oil drain plug on most Honda Accord models is a 14 mm hex wrench (about 9/16 inch). Some engines or older model years may require a 17 mm wrench. Always verify by inspecting the plug head or checking the owner's manual for your exact year and engine code.
Understanding the plug size across Accord generations
Honda has used several engines in the Accord over its generations. While 14 mm is the most common size on recent models, there are exceptions. Use the plug head as your primary guide, and consult the manual for your specific year and engine to avoid rounding the bolt.
Common sizes you may encounter on Accord models:
- 14 mm (approximately 9/16 inch) hex: The most frequent size on modern Accords.
- 17 mm hex: A less common size that can appear on some older or unusual engine variants.
To prevent damage, always ensure you have the correct tool before loosening the drain plug. If you’re unsure, bring both sizes to the job and verify which fits snugly without slipping.
How to verify the exact size for your specific Accord
Follow these steps to confirm the correct drain plug size for your car:
- Check the owner's manual or the maintenance section for the recommended drain plug size for your engine code.
- Inspect the plug head directly and try the 14 mm socket first; if it doesn’t fit snugly, try the 17 mm socket.
- If you’re purchasing a tool ahead of time, bring both sizes and test them on the plug before applying leverage.
Note: If your engine uses a different style fastener or a nonstandard plug, follow Honda’s guidance and torque specifications when reinstalling.
Practical tips for a safe oil change
Beyond knowing the correct wrench size, a smooth oil-change experience benefits from preparation and care.
- Let the engine cool and place a drain pan beneath the plug to catch hot oil.
- Use a new washer if your plug requires one, and avoid over-tightening to prevent thread damage.
Summary
For most Honda Accords, the oil drain plug wrench size is 14 mm (about 9/16 inch). Some variants and older models may use 17 mm. Verify by inspecting the plug head or consulting the owner’s manual for your exact year and engine, and follow the manufacturer’s torque specifications when reinstalling.
What size is a Honda oil drain plug?
Most cars use oil drain plugs between 13mm and 17mm, depending on the brand. For example, Toyota and Honda typically use 14mm or 17mm, while Ford often uses 13mm or 15mm.
What size socket for Honda Accord drain plug?
EASY TO INSTALL - Our plug will install in place of your current drain plug. It will arrive with an aluminum crush washer, which is recommended to be replaced with every oil change. USES A 17MM WRENCH.
What size is the oil drain plug on a 2018 Honda Accord?
17 mm
Dorman – Standard Engine Oil Drain Plug: M14-1.50 Thread, 17 mm Head, 1 Clamshell/Card (Part No.
What size socket to remove oil drain plug?
What size wrench do I need for my oil drain plug? The most common sizes are 14 mm, 15 mm, and 17 mm hex. Some vehicles use a 3/8-inch square drive or an internal Allen key (8 mm or larger). Check your owner's manual or measure the plug directly.