Polaris (Booster Pump) Mod: PB4-60 (POL001) Shaft Seal &amp; O-ring Rebuild Kit. SAVES YOU MONEY!<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Aftermarket PB4-60 Polaris Booster pump shaft seal and o-ring rebuild kit offers perfect fit， high quality generic products</li><li>This Kit fits: Dec 1， 2011 and prior PB4-60 Polaris Booster Pumps</li><li>NOTE: Will NOT fit Polaris PB4-60 Booster Pumps with Serial Numbers beginning with "PB" and a manufacturing date on or after Dec 1， 2011. Fits PB4-60， 3/4 hp Booster Pump with serial number M12011001 and before.</li><li>Quality replacement parts by TORK Distributors</li><li>Volute O-ring， drain plug oring， Pump Shaft Seal Replacement，</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41ZbJaKQvCL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41da2YDmjcL.jpg" noproxy>