Fuel Primer Bulb 3.9 cm × 13 cm (fits 8 mm hose) | 4Boats
44476
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Fuel Primer Bulb Ø39mm (8mm Hose)
Nuova Rade Marine Quality - SKU: 44476
This Nuova Rade fuel primer bulb is an essential component for marine fuel systems, specifically designed to prime and bleed fuel lines after engine maintenance or long periods of storage. Manufactured from high-quality, fuel-resistant PVC, this compact inline bulb ensures a quick and reliable fuel flow from the tank to the engine, preventing airlock and starting difficulties.
Key Features
- ✔ Premium PVC Construction: Resists UV, petrol, and modern ethanol-blended fuels.
- ✔ Dual Non-Return Valves: High-performance check valves for one-way flow.
- ✔ Compact 39mm Diameter: Ideal for restricted spaces in engine wells or consoles.
- ✔ Directional Indicator: Clear arrow marking for error-free installation.
Technical Specs
| Bulb Diameter: | 39mm (1.54") |
| Hose Connection: | 8mm (5/16") I.D. |
| Total Length: | 130mm (5.1") |
| Material: | Fuel-Grade PVC |
| Operating Temp: | Marine Rated |
Compatibility / Fitment Guide
| Engine Make | Application | Hose Size |
|---|---|---|
| Yamaha Outboards | Standard 2-Stroke & 4-Stroke | 8mm (5/16") |
| Mercury / Mariner | Small to Medium HP Outboards | 8mm (5/16") |
| Suzuki / Tohatsu | Portable & Mid-Range Models | 8mm (5/16") |
| OMC / Johnson / Evinrude | Manual Start & Electric Models | 8mm (5/16") |
OEM & Cross Reference
| Manufacturer Code (MPN) | 44476 |
| Lalizas Part Number | 44476 (Bulb) / 45386 (Kit) |
| Other References | Universal 8mm Marine Primer Bulb |
Questions & Answers
Is this a genuine original part?
This is a premium quality aftermarket replacement part manufactured by Nuova Rade (Italy), built to meet or exceed original equipment (OE) standards for marine fuel systems.
How do I know if it is compatible?
Check your existing fuel hose internal diameter. If it is 8mm (approx. 5/16"), this bulb will provide a secure, hermetic seal when used with appropriate hose clamps.
Is this bulb resistant to modern Ethanol fuels (E10)?
Yes, this bulb is manufactured from high-grade PVC specially formulated to resist degradation from modern petrol blends, including E10 ethanol fuel commonly found at UK pumps.
Note: Always install with the arrow pointing toward the engine. We recommend securing with stainless steel O-clips or worm-drive clamps (sold separately) to ensure a vacuum-tight seal.
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