22380056 Hub | Genuine Volvo Penta Part
22380056 Hub | Genuine Volvo Penta Part
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🔧 Product Description
This genuine Volvo Penta engine gear-train hub is used in the following application: Volvo Penta D8A5-A MG engine gear trains. Supports and locates the specified idler gear so the engine gear train maintains correct mesh, alignment and backlash.
🚤 Compatibility
Typically suits:
- Volvo Penta D8A5-A MH
- Volvo Penta D8A6-A MH
- Volvo Penta D8A5-A MG
- Volvo Penta D8A6-A MG
- Engine Family: D
⚙️ Key Features
- Genuine hub used in the D8A5-A MG engine gear-train assembly
- Correct bore, mounting face and fastener pattern for the associated idler-gear position
- Maintains gear alignment and support geometry
- Designed for engine-speed torsional and radial loads
- Hub only; idler gear, plate, pins and flange screws are separate
- Inspect gear teeth, shaft/bore fit and mounting face before installation
🔌 Function
Supports and locates the specified idler gear so the engine gear train maintains correct mesh, alignment and backlash.
⚠️ Common Signs of Failure
- Gear-train noise or abnormal backlash
- Worn, fretted or scored hub surface
- Loose mounting screws
- Cracks or distortion at the mounting flange
- Metal debris in the gear housing
- Uneven idler-gear wear caused by misalignment
🛠️ Service Notes
- Get the hub off with the correct puller rather than levering or hammering it; a hub driven off or on is enough to damage the shaft, the bearing behind it and the hub itself
- Clean and inspect the shaft, keyway or taper and check for scoring, wear steps and fretting; a hub will not run true on a damaged seat and the fault will come straight back
- Inspect and renew the seal that runs on or behind the hub while access is good, and check the sealing surface for a wear groove
- Draw the hub on square, fully home to the position the workshop manual for your engine gives, and tighten the retaining fastener to the manual figure with any specified locking method
- Check the drive belt alignment and run-out after fitting, then run the engine and watch for wobble, noise or a belt tracking off to one side
🔄 Supersession & Cross Reference
OEM Supersession Chain
- 22380056 → Supersedes 21797110
OEM / Related Numbers
- 21797110 earlier number superseded by this part
- 21860076 - associated idler gear
- 22143650 - associated hub at another gear position
- 975206 - associated flange screw
- 21797099 - associated idler gear
- 994304 - associated pin
- 994208 - associated flange screw
- 22617794 - associated plate
- 22475115 - associated idler gear
- 21736273 - associated hub
📦 Condition
- Genuine Volvo Penta part
- Brand new
- Supplied in original or equivalent packaging
Shipping & Delivery
Shipping & Delivery
Flat-rate shipping Australia-wide — $14.99 per order, no matter how many parts you add. Orders dispatch from our Kadina, South Australia store. Need it urgently or want to collect in person? Call us on 0412 532 984 before ordering.
Returns & Warranty
Returns & Warranty
14-day change-of-mind returns — if it's not right or you ordered the wrong part, send it back within 14 days in new, unused condition for a refund or exchange. Manufacturer warranties apply to new parts. Full details in our Refunds & Returns policy.
Not sure this fits?
Not sure this fits?
Ask us before you buy — we check part numbers and fitment every day. Call 0412 532 984 (Mon–Fri 8.30am–4.30pm) or message us through the contact page with your engine or vehicle details.
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