These are the new and improved / updated Stand Pipes and Dummy Plugs.
The stand pipes have the integrated check valve & Teflon back-up seals to help prevent internal leaks.
If you don't have the new version stand pipes and dummy plugs, it may not be long until you start experiencing High Pressure Oil System problems.
Replace the Stand Pipes & Dummy Plugs before they go bad and leave you stranded.
2--6E7Z-9A332-A / 2--W302908 / 1--W302675 / 1--3C3Z-9K042-A
Warranty Information