The oil drain plug on a 2012 Honda Accord typically uses a 14 mm hex head (socket size) with threads of about M14 x 1.5, tightened to roughly 29 ft-lbs (39 N·m) when reinstalling and usually with a new crush washer.
Drain bolt size and specs
Understanding the common size helps you prepare the right tools and avoid damage when performing an oil change on a 2012 Accord. Both the 2.4 L inline-4 and the 3.5 L V6 engines used in this model typically follow the same drain plug size and thread pitch, but it’s always good to verify with your manual in case of a rare variation.
To service the drain plug and perform an oil change, gather these tools and supplies:
- 14 mm socket or wrench
- Torque wrench capable of at least 40 N·m (30 ft-lb)
- New crush washer for the drain plug (if your engine uses one)
- Oil drain pan and rags for cleanup
- Replacement engine oil and funnel
Using the proper tools helps you remove the drain plug, drain old oil, replace the washer, reinstall the plug, and refill to the correct level without leaks.
Engine variants and differences
2.4 L inline-4 engine
The 2.4 L I-4 variant follows the standard drain plug size for the Accord: a 14 mm hex head with M14x1.5 threads. Torque the plug to about 29 ft-lbs (39 N·m) and replace the crush washer if equipped.
3.5 L V6 engine
The 3.5 L V6 also uses the same 14 mm drain plug size and M14x1.5 thread pitch, with the same approximate torque specification of 29 ft-lbs (39 N·m). Always check the service manual if you have a dealer-installed variation or special equipment.
Maintenance notes
If you encounter a stubborn plug or damaged threads, stop and assess the need for thread repair or plug replacement. After reinstalling the drain plug, ensure the oil level is correct and check for leaks after running the engine for a few minutes and rechecking the level.
Summary: For a 2012 Honda Accord, the oil drain bolt is generally a 14 mm hex head with M14x1.5 threads. Tighten to about 29 ft-lbs (39 N·m) and replace the crush washer as needed. This holds true for both the 2.4 L I-4 and the 3.5 L V6 variants, but always confirm with your owner's manual if you have any doubts.