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What size socket for oil drain plug ram 1500?

The oil drain plug on most RAM 1500 models typically uses a 14mm socket head, though some engines and model years may require a 13mm socket. If in doubt, start with 14mm and switch to 13mm if it doesn’t fit properly.


The RAM 1500 lineup covers a range of engines, including the 3.6L Pentastar V6, the 5.7L Hemi V8, and the 3.0L EcoDiesel. Drain plug designs have varied slightly over time, so the exact size can differ by year and engine. Always verify against your specific vehicle’s manual or inspect the plug directly for the correct fit.


Common sizes you may encounter


Here are the sizes most likely to fit RAM 1500 oil drain plugs. Use the first size to start, and move to the second only if needed.



  • 14mm hex socket: The most common size for RAM 1500 oil drain plugs across many years and engines.

  • 13mm hex socket: Some older or atypical configurations may use this size; if 14mm feels loose or won’t engage, carefully try 13mm.


After checking the plug with these sizes, you should be able to remove it safely. If neither size fits, there may be a damaged or replaced drain plug, or a non-standard plug was used on a service variant. In that case, consult the service manual or a dealer for your exact model year.


How to confirm the correct size for your RAM 1500


To ensure you use the right socket for your engine and avoid damage, follow this quick verification approach.



  1. Gather both 14mm and 13mm sockets (and a torque wrench if available).

  2. With the vehicle on a level surface and the engine cool, place a catch basin under the oil pan.

  3. Carefully attempt to fit the 14mm socket onto the drain plug. If it seats without wobble and fits snugly, you can proceed. If it’s loose or won’t engage, stop and try the 13mm socket.

  4. If neither size fits, inspect the drain plug for damage or replacement and refer to the manual or dealership guidance for your exact year and engine.


Always replace the drain plug washer if your model uses one and tighten to the manufacturer’s recommended torque specification. When in doubt, consult the owner’s manual or a qualified technician before removing or re-installing the plug.


Tips for safe maintenance


- Use the correct torque when reinstalling the drain plug to avoid leaks or stripping threads. - Check the washer (if equipped) and replace it if it shows wear. - Clean the area around the drain plug before opening to minimize debris entering the oil pan. - If you suspect a cross-thread or damaged plug, stop and seek professional help rather than forcing a fit.


Summary


For RAM 1500 models, the most common oil drain plug socket size is 14mm, with 13mm as a potential alternative on some engines or years. Start with 14mm, then try 13mm if necessary, and always confirm with the vehicle’s manual or by inspecting the plug itself. This approach helps prevent damage and ensures a proper seal when changing the oil.

Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.