After a few times of draining the reservoir the o ring fails and then you have a leak and or possible air getting in the fuel system... needs to be a Viton seal..

After flushing all of the rotted off steel plug out of the water separater, this is considered one if the biggest longevity upgrades that can be made In my opinion. Do it sooner than later, your injectors will thank you!

The best, I have 06 F250 , easy to install and very quick to drain the water.

Would not fit had to cut the stem off of it but then works great

Great product and well made. I expected nothing less from Riffraff, their products are alwasy top of the line

This drain plug is the best no tools needed to drain the filter housing of water/fuel...

Great fitment, makes draining the separator such an easy task.

super easy install, replace's old warn out plug

Better than the stock plug. Cheap upgrade, and very worthwhile.