What is the size of a 2004 Jeep Wrangler Manual Transmission fill plug?
The fill plug size for a 2004 Jeep Wrangler's manual transmission is 1/2" NPT (National Pipe Thread). However, it's always best to double-check with a repair manual specific to your Wrangler's transmission type (e.g., NSG3-4, etc.) as there might be slight variations depending on the exact model and transmission.