539706 – Inner Pinion Bearing

Fits Land Rover Differential | Available in TIMKEN or Allmakes/Britpart Keep your driveline running smooth and quiet with a fresh inner pinion bearing. The 539706 supports the pinion gear inside your differential — a worn-out bearing here leads to howling noises, vibration, and eventually a cooked gear set. Choose from Aftermarket Allmakes/Britpart for solid value or go with TIMKEN for premium OE quality and long-term reliability. Key Features: Direct replacement for factory inner pinion bearing Maintains proper gear mesh and preload Reduces drivetrain noise and gear wear Fits multiple Rover diffs — check fitment below Available in Allmakes/Britpart or TIMKEN Fitment: Discovery 1  Discovery 2 RRC  Defender  Series  Options: 539706 – Aftermarket (Allmakes/Britpart) 539706G – Premium (TIMKEN) Frequently Asked Questions: Q: Should I replace both pinion bearings at once?A: Yes. We recommend replacing both inner and outer pinion bearings during a rebuild to ensure ev