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Genuine Piaggio NRG / Gilera Runner Variator Cooling Bellows 297049
Genuine Piaggio NRG / Gilera Runner Variator Cooling Bellows 297049
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Product Description
Factory-original molded flexible rubber cooling bellows / vent hose. Connects to the transmission outer crankcase cover cooling duct on 50cc 2-stroke liquid-cooled and air-cooled Piaggio Group sports scooters. Channels fresh cooling air into the variator housing while preventing dust, water, and road spray from entering the drive belt assembly.
Vehicle Compatibility
Standard factory fitment for 50cc 2-stroke Piaggio, Gilera, and Derbi sports platforms:
| Make | Model | Model Year Range | Application |
| Piaggio | NRG MC2 50 (ZAPC18 / ZAPC21) | 1996–1998 | Variator Cover Cooling Hose |
| Piaggio | NRG Extreme 50 AC / LC (ZAPC21 / ZAPC22) | 1999–2002 | Variator Cover Cooling Hose |
| Piaggio | NRG MC3 DD / DT / Purejet (ZAPC32) | 2001–2005 | Variator Cover Cooling Hose |
| Piaggio | NRG Power DD / DT / Purejet / Serie Speciale (ZAPC45) | 2005–2018 | Variator Cover Cooling Hose |
| Gilera | Runner 50 DD / SP / Purejet (ZAPC14 / ZAPC36 / ZAPC46) | 1998–2012 | Variator Cover Cooling Hose |
| Gilera | Stalker 50 (C13 / C40) | 1997–2008 | Variator Cover Cooling Hose |
| Derbi | GP1 50 LC (Piaggio Engine) | 2001–2003 | Variator Cover Cooling Hose |
Fitment Details
Check old rubber for cracks, splits, or hardening. Slide the flexible boot over the variator outer cover cooling spout and align it with the frame or duct connection, ensuring the rubber lip seats flush over the mounting flange. Fasten with the original wire spring clamp to ensure a dust-tight seal.
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.