Mansfield 500 Series Stem 123-0090 8" Overall Length Stem 1587 This is a 3 inch

This is a 3 inch flush valve designed for the Mansfield tank model 3987

This kit has all the parts needed to completely rebuild the Mansfield model 35 and 51 toilet tanks

The flapper on this flush valve is not replaceable

The original lever always works best

It is the most common cause of the toilet leaking and being hard to flush

Mansfield 500 Series Stem 123-0090 8" Overall Length Stem 1587 This is a 3 inchThis Stem Measures 8 Inches Long And Is The Replacement Stem For A 500 Series Faucet With 4 Inch frost protection. Stem comes with the packing washers for left, and right hand thread packing nuts. This stem does not come with the packing nut. The stem is made of copper and the handle screw will cut threads in it when installed. Please verify the model and length of your stem to save time and money.