The oil drain plug on a 2017 Honda Civic typically uses an M14 x 1.5 thread with a 14 mm hex head. In practical terms, you’ll need a 14 mm socket to loosen or tighten it. Always confirm the exact size for your engine variant by checking the owner’s manual or service manual, or by inspecting the existing plug.
Overview of the plug for the 2017 Civic
The 2017 Civic lineup includes both the 2.0-liter naturally aspirated engine and the 1.5-liter turbo. Honda generally used the same drain plug size across these engines, but variations can occur due to different oil pan designs or aftermarket replacements. If you replace the plug, use a new crush washer or O-ring as specified.
Common specifications
Below are the core details that help identify a compatible drain plug for most 2017 Civics.
- M14 x 1.5 thread size
- 14 mm hex socket/head for removal and installation
- Standard replacement drain plug washer (crush washer) is typically used
These specifications provide a baseline for selecting a plug, but always verify the exact fit for your engine and oil pan configuration.
How to verify the size on your vehicle
If you want to be sure you have the correct size, use these checks:
- Inspect the existing drain plug to confirm thread pattern and head size.
- Match the plug to your service manual or dealership sheet for your specific engine code (for example, L15B7 for the 1.5L turbo or K20 for the 2.0L variants).
- Consult Honda’s official parts catalog or measure with a thread gauge and caliper if needed.
Verification steps help prevent cross-threading or using a plug with the wrong washer or thread pitch.
Summary
For a 2017 Honda Civic, the typical oil drain plug is M14 x 1.5 with a 14 mm hex head, usually paired with a crush washer. Variations can occur by engine variant or aftermarket components, so always check the service manual or dealer guidance if you’re unsure.


