Parts for your 2021 Mitsubishi Outlander-Centre bearing

2021 Mitsubishi Outlander centre-bearing

Technical confirmation: On 2021 Mitsubishi Outlander AWD/4WD (GF/GM series), the propeller shaft is a two-piece design that uses a centre support bearing (also called a carrier bearing). This is shown in Mitsubishi Motors’ Service Manual for the GF/GM Outlander under Driveline/Propeller Shaft, which describes a two-piece prop shaft with a centre support. It’s also listed in the Mitsubishi ASA electronic parts catalogue for 2019–2021 Outlander as a “Center Bearing Assy” within the 4WD/AWC propeller shaft assembly. Front-wheel-drive (2WD) Outlanders don’t have a propeller shaft, so a centre-bearing isn’t fitted or relevant to those variants.

For AWD 2021 Outlander owners, the centre-bearing quietly does a big job. It supports the two-piece prop shaft that runs down the car, keeping everything aligned as torque heads to the rear diff. The rubber-insulated support reduces vibration, cuts down on driveline noise, and helps the Outlander feel smooth on take-off and at highway speeds. When it gets tired, owners tend to notice a low rumble or a droning vibration that comes on between about 60–100 km/h, a shudder on launch, or a clunk as the driveline loads and unloads.

There’s no fixed replacement interval, but it’s smart to have the centre-bearing inspected during routine services, especially once the vehicle’s seen some hard kilometres, towing, or frequent gravel-road driving. A tech will check the rubber support for cracking or separation, feel for roughness or play in the bearing, and inspect the prop shaft alignment and universal joints. If the bearing’s failed, it should be replaced promptly to avoid knocking out the uni joints or rear diff mounts and to keep NVH in check.

Replacement approaches vary by supplier: some bearings are available as a separate centre support and bearing, while others are serviced with the propeller shaft as an assembly. Either way, correct installation is key. The prop shaft should be match-marked before removal, flange bolts torqued to spec, and the shaft aligned to factory marks to prevent imbalance. Aftermarket options can be fine, but OE-equivalent quality and proper rubber durometer matter for longevity and NVH. Once fitted, a quick road test to confirm no resonances or shudders at typical cruise speeds keeps everyone happy.

• Common signs it’s due: droning vibration at 60–100 km/h, take-off shudder, or a clunk on throttle changes.
• Service tip: inspect at regular services, escalate checks after off-road use, towing, or lift-kit installs.
• Fitment note: applicable to AWD/AWC models only, 2WD variants don’t use a centre-bearing.

Popular questions

Does the 2021 Mitsubishi Outlander have a centre-bearing?
Yes, AWD/AWC models use a two-piece propeller shaft with a centre support bearing. FWD (2WD) models don’t have a prop shaft and therefore don’t use a centre-bearing.

What are the symptoms of a worn centre-bearing on an Outlander?
Typical symptoms include a low-frequency rumble or droning vibration at highway speeds, a shudder on take-off, and sometimes a clunk as the driveline loads or unloads. Visual checks often show cracked or separated rubber around the support.

Can the centre-bearing be replaced on its own?
On many Outlanders it can be serviced separately, but some setups are supplied as a complete propeller shaft assembly. A workshop familiar with Mitsubishi driveline work can advise based on VIN and parts availability.