This rear driveshaft assembly replaces the original prop shaft on all-wheel-drive Toyota Highlander and Lexus RX crossovers. Cross-referenced to 37100-48020, 3710048020, and 946-164, it arrives as a finished assembly so the shaft bolts straight into the rear driveline. Fitment covers Lexus RX330 from 2004 through 2006 with the 3.3L V6, Lexus RX350 from 2007 through 2009 with the 3.5L V6, and Toyota Highlander from 2001 through 2007 in 2.4L, 3.0L, and 3.3L form. Worn joints show up as vibration at highway speed, a clunk on takeoff, and a rumble that rises and falls with vehicle speed.
Complete Shaft Assembly: Ships as a finished shaft, so the rear driveline bolts up in one piece without pressing joints or rebalancing the tube on a machine
Fixes Highway Vibration: A fresh shaft clears the vibration at highway speed, the clunk on takeoff, and the rumble that rises and falls with vehicle speed
OEM Number Match: Cross-references 37100-48020, 3710048020, and 946-164 with factory flange spacing and length for rear side all-wheel-drive applications
Highlander and RX Coverage: Fits Lexus RX330 2004-2006 3.3L, RX350 2007-2009 3.5L, and Toyota Highlander 2001-2007 in 2.4L, 3.0L, and 3.3L all-wheel-drive form
Balanced Tube and Joints: The tube and joints are balanced as a unit, so driveline vibration stays low and the rear differential and transfer case see even load
Specification: OEM Part Number: 37100-48020 / 3710048020 / 946-164; Position: Rear Side AWD; Fitment: Lexus RX330 2004-2006 / RX350 2007-2009 / Toyota Highlander 2001-2007; Package Includes: 1x Rear Driveshaft Prop Drive Shaft Assembly
