Parts for your 2017 Toyota Hilux-Centre bearing

2017 Toyota Hilux centre-bearing: what it is, whether it’s fitted, and how to look after it

Based on Toyota’s AN120/AN130 Hilux workshop manuals and the Toyota electronic parts catalogue (which lists a “Bearing Assy, Centre Support, Propeller Shaft” for GUN125/GUN126 2015-on models), a centre-bearing is relevant to most 2017 Hilux variants. Dual‑cab and extra‑cab utes commonly run a two-piece tailshaft with a centre support bearing. Some short‑wheelbase 4x2 single cabs may use a one‑piece tailshaft and won’t have a centre-bearing. So for the typical 2017 Hilux on Aussie and Kiwi roads—especially dual cabs—this part is very much part of the driveline.

On vehicles where it’s fitted, the centre-bearing (also called a carrier bearing) supports the two-piece tailshaft, keeping driveline angles in check and damping vibration between the gearbox and diff. It allows Toyota to use a longer wheelbase without going to an overly long single shaft, improving NVH and durability. When healthy, it’s invisible, when worn, it can cause shudders, humming, or clunks on take‑off.

As part of regular servicing on a 2017 Hilux, it’s smart to keep an ear out for changes under load and during overrun. If there’s a rumble around 40–70 km/h, a thump on acceleration, or visible sagging/cracks in the rubber support, the centre-bearing’s worth a closer look. Mechanics will typically check tailshaft uni joints and slip yoke free-play at the same time, because those issues can mimic centre-bearing symptoms.

• Common signs it’s on the way out:
  • Vibration or shudder under acceleration or on hills
  • Driveline drone/whine that changes with road speed
  • Rubber support torn, perished, or off‑centre
• Service and replacement tips:
  • Mark tailshaft orientation before removal to maintain balance.
  • Inspect uni joints and slip joint splines, replace if loose or notchy.
  • Torque mounts to spec and ensure correct bearing preload/positioning.
  • If a vibration remains after replacement, have the shaft balanced.

There isn’t a fixed replacement interval—these bearings often run well past 150,000 km—but heavy towing, off‑road dust, and lifted suspension (altered driveline angles) can shorten life. When the rubber support cracks or the bearing feels rough, replacing it prevents collateral wear to uni joints and the gearbox output. Quality OE‑equivalent parts from Toyota’s catalogue or reputable aftermarket suppliers are recommended to maintain ride comfort and longevity.

Popular questions about 2017 Toyota Hilux centre-bearings

Does every 2017 Hilux have a centre-bearing?
Most dual‑cab and extra‑cab models do, because they use a two‑piece tailshaft. Some short‑wheelbase 4x2 single cabs may have a one‑piece shaft and no centre-bearing. A quick look under the ute will confirm it.

Can the centre-bearing be replaced on its own, or is a full tailshaft needed?
On many 2017 Hilux variants the centre support bearing can be replaced separately. However, if the uni joints or shaft tubes are worn, a complete or rebuilt tailshaft may be better value and help cure persistent vibrations.

What happens if a failing centre-bearing is ignored?
Vibration usually gets worse, stressing uni joints and seals. Left long enough, it can lead to premature wear of the gearbox output and differential pinion bearings, turning a simple job into a bigger bill.