Brand new REAR LOWER a-arm to bearing carrier pivot tubes for many Polaris Ace and Ranger models. This pivot tube installs inside the bearing carrier. Brand new high quality part that is exactly the same as the original! This replaces Polaris part number 5138796. Size is 16mm x 140mm. Black zinc plated finish. Sold as a PAIR. Fits the following models: 2016 ACE 325 2017-19 ACE 500 2016-19 ACE 570 2016-19 ACE 900 2017-18 Ranger 1000 XP 2015-18 Ranger 1000 Diesel 2014-19 Ranger 900 XP 2014-19 Ranger 570 2015-16 Ranger ETX 2014-19 RZR 570