Don't waste your money on a crappy aftermarket replacement petcock that will be leaking in a year.  You can replace the seals in your OEM petcock with OEM parts and have it perform like new again.  This is a seal replacement kit for your OEM petcock. 

It will included:
1 Mounting Base Gasket
1 Bowl Gasket
1 Packing Gasket(4-hole)
1 Lever Gasket

This kit is for the gaskets only.  No other Petcock parts are included. Don't be fooled by sellers using non-OEM and non-Viton rubber parts.

• Base gasket goes between the petcock base and the tank.
• Bowl gasket goes between the screen and the bowl. The key to a successful installation on this gasket is not to over tighten. No more than 1/2 turn after firm contact is all you need.
• Packing gasket goes behind the lever face.
• Lever gasket goes into the groove of the lever.
• All parts should be lubricated before installation.