Parts for your 1992 Suzuki Jimny-Centre bearing

1992 Suzuki Jimny centre-bearing — is it actually there?

For a 1992 Suzuki Jimny (known locally as the Suzuki Sierra/SJ413 in AU/NZ), a centre-bearing isn’t a standard part. The short-wheelbase models of this era run a single-piece rear tailshaft from the transfer case to the rear diff, so there’s no need for a centre support bearing. Centre-bearings are typically used on two-piece tailshafts found in longer wheelbase vehicles to support the shaft mid-span and control vibration.

Technical sources back this up. The Suzuki SJ413/Samurai workshop manual’s Propeller Shaft section illustrates single-piece front and rear propeller shafts for the short-wheelbase variant with universal joints but no centre support. Likewise, Suzuki’s parts catalogues for the JA11/JA12 Jimny (JDM) and SJ413/Sierra (export) list a one-piece rear propeller shaft assembly for SWB models, with a centre-bearing only appearing on long-wheelbase/two-piece shaft configurations.

Why the 1992 Jimny/Sierra doesn’t use a centre-bearing:

• Short wheelbase means the rear tailshaft is short enough to avoid critical speed and whip issues, so a mid-span support isn’t required.
• Simpler driveline equals better off-road durability — fewer moving parts to cop dust, mud and water.
• Factory pinion and transfer case angles are set to keep vibration under control without extra supports.

If someone’s chasing a “centre-bearing” issue on a 1992 Jimny/Sierra, it’s worth re-focusing checks on the parts it actually has:

• Universal joints (front and rear tailshafts) for play or binding.
• Slip yoke spline wear and lubrication.
• Tailshaft balance and dents from off-road knocks.
• Transfer case and gearbox mounts, and rear diff pinion bearing preload.

Owners should note that some long-wheelbase Sierra variants and custom dual-piece conversions will use a centre-bearing. If the vehicle has been modified with a two-piece tailshaft, then a carrier mount and correct bearing alignment become critical — but that’s outside standard 1992 SWB spec.

Technical references:

• Suzuki SJ413/Samurai Factory Service Manual, Propeller Shaft section (covers short-wheelbase single-piece shafts).
• Suzuki Electronic Parts Catalogue (EPC) for JA11/JA12 Jimny and SJ413/Sierra, Propeller Shaft group.

Popular questions

Does a 1992 Suzuki Jimny/Sierra have a centre-bearing?
Short answer: no, not on the standard short-wheelbase models. They run a single-piece rear tailshaft with universal joints and don’t need a centre support. Some long-wheelbase variants or custom two-piece conversions do use one.

Can a centre-bearing be retrofitted to a 1992 Jimny?
Only if converting to a two-piece tailshaft. That requires a suitable carrier mount on the chassis, correct driveline angles, and a matched shaft — it’s a fabrication job, not a bolt-on for the stock SWB setup.

What should be checked if there’s tailshaft vibration on a 1992 Jimny?
Look at worn uni joints, dry slip yoke splines, tailshaft balance, and soft engine/gearbox/transfer case mounts. Also check diff pinion bearings and tyre balance, as those can mimic driveline vibes.