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Piaggio Genuine 300cc 4T Engine Crankshaft Assembly 83050R0A
Piaggio Genuine 300cc 4T Engine Crankshaft Assembly 83050R0A
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Product Description
Factory-original complete bottom-end engine crankshaft assembly fitted with pre-installed connecting rod and stroke web plates. Engineered for Piaggio 300cc 4-stroke 4-valve liquid-cooled QUASAR / HPE engine platforms to provide precise stroke balance, optimal oil lubrication flow, and engine longevity under high thermal stress.
Vehicle Compatibility
Standard factory replacement fitment across 300cc 4T LC Piaggio Group scooter platforms:
| Make | Model | Chassis / Engine Code | Model Years | Application |
| Vespa | GTS 300 / GTS Super 300 | ZAPM45200 / ZAPMA3100 | 2008–2020 | Engine Crankshaft Assembly |
| Vespa | GTV 300 / Sei Giorni | ZAPM45201 | 2010–2020 | Engine Crankshaft Assembly |
| Piaggio | Beverly 300 ie / Tourer / RST | ZAPM28A / ZAPM69200 | 2009–2020 | Engine Crankshaft Assembly |
| Piaggio | MP3 300 ie / Yourban / LT / Hybrid | ZAPM63301 / ZAPTA0100 | 2009–2021 | Engine Crankshaft Assembly |
| Piaggio | Carnaby 300 ie / Cruiser | ZAPM67100 | 2009–2014 | Engine Crankshaft Assembly |
| Piaggio | X7 300 ie | ZAPM62201 | 2009–2013 | Engine Crankshaft Assembly |
| Aprilia | Sportcity Cube 300 / Street | ZD4VBL / ZD4VBR | 2008–2015 | Engine Crankshaft Assembly |
| Aprilia | Scarabeo 300 Special / Light | ZD4VRG00 | 2009–2014 | Engine Crankshaft Assembly |
| Aprilia | Atlantic 300 | ZD4SPG00 | 2010–2014 | Engine Crankshaft Assembly |
| Aprilia | SR Max 300 | ZAPM35600 | 2011–2018 | Engine Crankshaft Assembly |
| Gilera | Nexus 300 ie | ZAPM35600 | 2008–2015 | Engine Crankshaft Assembly |
Fitment Details
Clean the crankcase mating split faces thoroughly and install with new OEM main bearings and oil seals. Pre-lube the connecting rod big-end bearing and journal journals with clean engine oil prior to splitting and torquing the crankcase halves.
Important: Please ensure the part number matches your motorbike before purchasing. If you have any questions about the part or its compatibility, feel free to contact us. We’re here to help!
At Dmmotorcycles, we’ve specialized in vintage and vintage sports motorcycles and parts directly from Japan since 1998. We stock a wide selection of rare genuine and high-quality aftermarket parts and continually update our inventory to meet growing demand.
Looking for a specific part? Don’t hesitate to ask! We may have it in stock even if it’s not listed online. If not, we’ll do our best to source it for you.
We’re also happy to provide guidance on installation and offer excellent after-sales support to ensure your satisfaction.
Shipping Information
We ship worldwide, carefully inspecting and securely packing all parts to ensure safe delivery. Your order will be insured and shipped quickly, with the best available shipping option chosen for speed and reliability.
Please note:
- All parts are shipped from Cyprus (Europe).
- Customers outside the EU may incur additional import taxes based on the value of the item.

How we handle your order in 4 steps
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1. Order Verification
We confirm the order and make sure the correct part number, quantity, and any special requests match what’s on the sales confirmation
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2. Quality Check
Since our parts are new old stock we Inspect the parts for any defects, scratches, or missing components to ensure it meets quality standards. otherwise will notify you before proceeding with the order.
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3. Safe and Secure packaging
- Protective Wrapping: We use bubble wrap or foam padding to wrap the part, focusing on sharp edges or delicate components.
- Boxing: We place the wrapped part inside a sturdy box, filling gaps with packing materials to prevent movement.
- Sealing and Labeling: Securely tape the box and attach the shipping label, including orientation-specific markers like "Fragile."
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4. Finalizing of Shipment
We confirm the shipping address and contact details, give the package to the Post, keep the tracking number, and then send it to the customer along with the shipment notification.