The engine oil drain plug on most Honda CR‑V models is a metric plug sized M14 x 1.5 with a 17 mm hex head. There can be variations by year and engine, so it’s important to verify for your specific vehicle.
Overview: why the size can vary
CR‑V generations have used different engines over the years, and regional production differences can influence the drain plug size. While M14 x 1.5 with a 17 mm socket covers the majority of modern CR‑Vs, some older or non‑North American variants may differ. Always confirm by checking your manual, inspecting the existing plug, or consulting Honda service data for your exact year and engine code.
Common size for most CR‑V engines
To help you prepare, here are the sizes you’re most likely to encounter and what they mean for maintenance:
- Thread size: M14 x 1.5 — this is the prevalent specification for many current and recent Honda CR‑V engines.
- Removal/installation tool: typically a 17 mm hex socket — use the correct socket to avoid rounding the drain plug head.
- Notes on exceptions: older generations or certain regional variants may differ; verify with the manual or by checking the plug itself for markings.
In practice, most CR‑V owners will find the M14 x 1.5 / 17 mm combination to be correct, but always confirm for your specific year and engine to avoid cross‑threading or leaks.
How to confirm the correct size for your CR‑V
To confirm the right drain plug size for your year and engine, follow these steps:
- Identify your exact model year and engine code (for example, which generation and engine variant your CR‑V uses).
- Consult the owner’s manual or Honda service documentation for the recommended drain plug size and torque specification.
- Inspect the current drain plug for any markings that indicate size (some plugs have stamped thread size) or compare it to known standard plugs at an auto parts store.
- If replacing, choose an OEM or OEM‑equivalent drain plug that matches M14 x 1.5 and use the torque spec from the manual to avoid damage.
- After installation, recheck for leaks once oil is added and the engine reaches normal temperature.
Following these steps will help ensure you have the right plug and a proper seal, minimizing the risk of leaks or cross‑threading.
Torque and installation tips
General guidance: torque specifications can vary by model year and engine. For most CR‑Vs, a value in the low 20s of Newton‑meters is common, but you should rely on the exact specification in your manual. Do not over‑tighten, and use a fresh washer if your plug design requires one. If you’re unsure, have a professional perform the maintenance to protect the oil pan threads.
Summary
In short, the typical engine oil drain plug size for most Honda CR‑V models is M14 x 1.5 with a 17 mm hex head. Variations exist across different generations and markets, so always verify by checking the owner’s manual or the plug itself for your exact year and engine. Proper verification helps ensure a secure seal, easy removal in the future, and the avoidance of cross‑threading or leaks.


