Complete KU replacement pump assembly with single-groove flywheel. Usually for constant spinning applications. The Jenny KU pump has head unloaders but can be used for both start/stop and constant run applications. Made in the USA.  Note: If your...

Air compressor pump with flywheel and air filter assembly. This pump has head unloaders and is typically used for gas-powered constant-run applications. Single-groove, 10.375" diameter flywheel. Please note:  This new-style KU pump is for serial...

Complete K model replacement pump assembly with single-groove flywheel and air filter assembly. Usually for stop/start applications. Same as the KU pump except the Jenny K pump does not have head unloaders. Made in the USA.  IMPORTANT: This is an...

New-style Jenny "K" replacement pump assembly with single-groove flywheel and air filter assembly. Usually for stop/start applications. Same as the "KU" pump, except this pump is for serial numbers starting with "G" and does not have head unloaders. Made...