Black rectangular marine fuel tank with various fittings and attachments on top, shown on a black background
White rectangular marine fuel tank with fittings on top and mounting brackets on sides, labeled 'Mako 21-B 1986 Fuel Tank, 86 gal. nominal'. Dimensions indicated: 54 1/4 inches length, 27 1/4 inches width, and 14 1/4 inches height.
Mako 21-B 1986 - 86 gal. nom. OEM Replacement Fuel Tank
3D render of a black marine fuel tank with mounting brackets on all four sides and multiple fittings on top, including a large curved pipe and small capped connections, viewed from a low frontal angle
3D render of a black rectangular marine fuel tank viewed from a high angle, showing four large mounting brackets on each corner and multiple fittings near one shorter edge, including a round metal plate, a brass valve, and several silver cylindrical and rectangular components.
3D render of a black rectangular marine fuel tank viewed from a low angle, showing four mounting brackets on the top edges and several fittings clustered near one end, including brass and silver components with pipes and valves
3D render of a rectangular marine fuel tank in black with a flat gray top surface. It features four mounting brackets on the top edges and several fittings near one end, including metallic and brass components, pipes, and connectors
Black rectangular marine fuel tank with various fittings and attachments on top, shown on a black background
White rectangular marine fuel tank with fittings on top and mounting brackets on sides, labeled 'Mako 21-B 1986 Fuel Tank, 86 gal. nominal'. Dimensions indicated: 54 1/4 inches length, 27 1/4 inches width, and 14 1/4 inches height.
Mako 21-B 1986 - 86 gal. nom. OEM Replacement Fuel Tank
3D render of a black marine fuel tank with mounting brackets on all four sides and multiple fittings on top, including a large curved pipe and small capped connections, viewed from a low frontal angle
3D render of a black rectangular marine fuel tank viewed from a high angle, showing four large mounting brackets on each corner and multiple fittings near one shorter edge, including a round metal plate, a brass valve, and several silver cylindrical and rectangular components.
3D render of a black rectangular marine fuel tank viewed from a low angle, showing four mounting brackets on the top edges and several fittings clustered near one end, including brass and silver components with pipes and valves
3D render of a rectangular marine fuel tank in black with a flat gray top surface. It features four mounting brackets on the top edges and several fittings near one end, including metallic and brass components, pipes, and connectors
A 3D model of a 1986 Mako 21-B boat with an 86-gallon fuel tank, designed for inshore and offshore fishing with a durable and reliable construction

Mako 21-B 1986 - 86 gal. nom. OEM Replacement Fuel Tank

$ 1,499.00
/
  • Local pickup available
  • Over-sized & over-weight item.
  • Only Ships LTL Freight.
  • Call us Mon.-Fri. 8:30 a.m. to 4:40 p.m. if in any doubt.

  • IMPORTANT NOTE: The base price is for local pickup in our SW Miami Shop. Check options above for crating and shipping to the contiguous 48 States. All tanks are made to order and the fabrication lead time is 1-2 work weeks. The finished tank pickup window is also 1-2 work weeks, so make sure you will be able to take delivery of your finished tank within that timeframe.  

  • Buy with confidence. Shortly after your payment clears you'll be sent via e-mail a complete set of detailed drawings for you to check all dimensions and fittings positions. If there's any difference from your old tank we can make any reasonable modifications to accommodate your needs. Fabrication of your new tank won't start until you send us your specs confirmation.    

  • .125 thickness Alcoa® 5052 H32 Series aluminum construction. 

  • Hand welded GTAW (TIG) welded to exceed ASME / ASW D3.7:2004 standards.

  • Sherwin Williams® TarGard® Epoxy painted for the best marine environment protection. 

  • KUS® (ex-WEMA USA®) reed switch sender with NBR float fuel level.

 NOTE: Check your tank dimensions thoroughly! Once a tank is manufactured and/or shipped we can't be responsible for mismatches and refunds or returns won't be accepted. All sales are final!

Fabrication lead time (before shipping): 1-2 work weeks. 

Shipping: Only freight to the 48 contiguous states. Contact us for extra-cost shipping options for HI and AK. Orders for international shipping from US-based carriers are welcome but contact us first to coordinate details.

Return Policy: No refunds are accepted, as all of our products are made to order. Our policy is strictly limited to the repair or replacement of qualifying defective or damaged goods. Please note that shipping costs are non-refundable. 

Due to this item's size and weight we can only ship it in an economical way via Less Than Truckload (LTL) consolidated land shipping, and only to the contiguous 48 States.

For shipping inquiries to AK, HI, PR, US-VI, and international shipping, please contact us first at sales@weldingworldinc.com.

All of the destinations above we can only serve as a Free Carrier (or FCA) modality, that requires the customer to contract and pay for their carrier service of choice. We can still ship the item, but only to a warehouse/receiving office within the 48-contiguous States.

In plain terms what this means is that if you want to ship your product to any non-contiguous US territory or internationally, you, the customer, has to provide us with the warehouse address of the carrier that serves your locality with an address within the contiguous 48-US States, as we do not ship overseas on our own.

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