The oil pan drain plug on a 2019 Ram 1500 is typically M14 x 1.5 with a 14mm hex head.
In 2019, Ram offered several engine choices for the 1500 (3.6L Pentastar V6, 5.7L Hemi V8, and 3.0L EcoDiesel). The drain plug size is generally the same across these engines, but variations can occur with aftermarket parts or specific vehicle configurations, so it’s worth confirming on your exact model.
Common plug size by engine in 2019 Ram 1500
The following notes summarize the standard size used across the main engines in the 2019 Ram 1500 lineup:
- 3.6L Pentastar V6 — M14 x 1.5 thread; drain plug head typically accepts a 14mm socket
- 5.7L Hemi V8 — M14 x 1.5 thread; drain plug head typically accepts a 14mm socket
- 3.0L EcoDiesel — M14 x 1.5 thread; drain plug head typically accepts a 14mm socket
Overall, the standard specification across these engines is M14 x 1.5 with a 14mm hex head. Always verify for your exact vehicle using the VIN or service documentation if you’re replacing a plug or upgrading hardware.
How to verify the size on your Ram 1500
If you want to confirm the exact size on your specific truck, use these verification methods:
- Check the owner’s manual or RAM service manual for the drain plug size listed for your engine and model year.
- Inspect the current drain plug (if you’re replacing it): measure the head across flats to confirm the socket size and measure the thread diameter/pitch if you can remove the plug safely.
- Contact a RAM dealer or reputable shop with your VIN; they can confirm the correct drain plug size for your exact configuration.
Using official documentation or VIN-specific parts information helps ensure you use the correct plug and avoid cross-threading or leaks.
Summary
For a 2019 Dodge Ram 1500, the typical oil pan drain plug size is M14 x 1.5 with a 14mm hex head, consistent across the main engines (3.6L, 5.7L, and 3.0L EcoDiesel). If you have a non-standard configuration or aftermarket parts, verify with the service manual or dealer using your VIN.