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Moeller 621501-10-1 Tempo Manual Vent Gas Cap

Manufacturer

Moeller

<p>For more than 25 years, Moeller Marine Products has established itself as the industry standard in fuel system design and construction, building a reputation on innovative engineering, quality construction, and award-winning service. The company utilizes rotational molding, blow molding, foaming, and assembly processes to create custom engineered marine products that stand out for their industry-leading quality and rock-solid durability.</p><h3>Fuel System Excellence</h3><p>As a trusted name in marine fuel containment and fuel system components, Moeller is known for durable construction and innovative design standards developed over decades, with their fuel tanks and related parts supporting a wide range of vessels from small fishing boats to larger center consoles and cruisers. Moeller's fuel tanks are constructed with durable, cross-linked polyethylene and are designed to withstand the corrosive effects of modern ethanol-blended fuels. The company's comprehensive line of <a href="/7465-moeller-permanentbelow-deck-tanks-200773">permanent and below deck fuel tanks</a> represents decades of engineering expertise, offering solutions ranging from compact low-profile designs to high-capacity systems for extended voyages.</p><h3>Marine Accessories and Equipment</h3><p>Beyond fuel containment, Moeller has expanded its product portfolio to serve the diverse needs of boaters and boat builders. Moeller products include polyethylene fuel tanks, fuel gauges, boat seating, marine spray paints, transom plugs, live wells, and more. Their <a href="/7465-moeller-bait-tanks-200125">bait tanks</a> and livewell systems keep catches fresh during fishing expeditions, while their marine seating options provide comfort and functionality on the water. The company also manufactures practical solutions like <a href="/7465-moeller-battery-boxes-trays-200139">battery boxes and trays</a> that protect electrical systems from the harsh marine environment.</p><h3>Precision Fuel Monitoring</h3><p>Accurate fuel management is critical for safe boating, and Moeller's line of <a href="/7465-moeller-gauges-sending-units-200484">gauges and sending units</a> delivers reliable monitoring in all conditions. Moeller specializes in rotationally molded fuel tanks, valves, fuel line fittings, senders, and accessories engineered to withstand marine environments and ethanol-blended fuels. These components integrate seamlessly with Moeller tank systems, providing boaters with confidence in their fuel levels and system performance.</p><h3>Built for Boaters and Builders</h3><p>Moeller serves both the aftermarket and original equipment manufacturer communities with equal dedication. The company offers custom tank design capabilities, engineering services, and technical resources that help boat builders integrate fuel systems that meet stringent safety regulations. Like all Moeller fuel tanks, their products are designed to be EPA/CARB/ABYC/NMMA compliant. For recreational boaters replacing aging equipment or upgrading their systems, Moeller provides off-the-shelf solutions backed by comprehensive technical support and a commitment to marine safety that has made them a household name at marinas and boat dealerships across North America.</p>

Part Number

621501-10-1
06/01/2036 4:57 AM
Sale Price

$22.08

In Stock (10+)

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Usually delivered within 2 days

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Moeller 621501-10-1 Tempo Manual Vent Gas Cap is a reliable venting fuel cap designed for marine portable fuel tanks. This essential fuel system component allows for controlled venting to equalize pressure during fuel dispensing and prevents vacuum lock that can restrict fuel flow.

Key Features:

  • Manual vent design provides controlled pressure equalization
  • Durable construction resists corrosion in marine environments
  • Compatible with Moeller Tempo series portable fuel tanks
  • Easy twist-on installation for secure sealing
  • Helps prevent fuel tank collapse during use

This replacement gas cap is engineered to meet the demands of marine applications where reliable fuel system performance is critical. The manual vent feature gives operators control over when to vent the tank, making refueling and fuel transfer operations safer and more efficient.

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