Sea Ox 21 High Flotation Single Engine Bracket in white marine-grade aluminum, featuring an integrated swim platform with a non-slip surface, raised engine mounting plate, ladder cutout, and center rigging access hole for outboard motor installation.
A schematic on a black background displaying a front-facing view of a white Sea Ox 21 High Flotation Single Engine Bracket. Dimension lines and text indicate the bracket has a transom plate height of 18 inches and a lower flotation box width of 30 ½ inches.
"A schematic on a black background displaying a top-down view of a white Sea Ox 21 High Flotation Single Engine Bracket. Dimension lines and text indicate the bracket has a setback of 30 inches and a mean width of 72 inches. A note in the bottom left specifies, 'Setback Measurement is from transom to engine plates.'
Sea Ox 21 High Flotation Single Engine Bracket in white powder-coated aluminum, featuring an integrated flotation chamber, non-slip top surface with a black rigging access plate, reinforced engine mounting plate, and side storage compartment, shown from an angled front perspective on a black background.
Front view of a white Sea Ox 21 High Flotation Single Engine Bracket with a powder-coated aluminum finish, featuring an integrated flotation chamber, reinforced engine mounting plate, black rigging access plate on the top deck, and open storage compartment beneath the platform.
Angled rear view of a white Sea Ox 21 High Flotation Single Engine Bracket with a powder-coated aluminum finish, featuring a spacious non-slip top platform, black rigging access plate, integrated flotation chamber, reinforced engine mounting plate, and side storage compartment, shown on a black background.
A photograph on a black background displaying a slightly elevated, rear-facing view of a white Sea Ox 21 High Flotation Single Engine Bracket. The image highlights the engine mounting surface, showing a central protruding section equipped with two vertical black rectangular mounting plates with pre-drilled holes. A circular access port is visible on the wide top platform, along with an auxiliary motor bracket mounted on the right side and a handle or step underneath the left side.
A photograph on a black background displaying a front-facing, slightly elevated view of a white Sea Ox 21 High Flotation Single Engine Bracket. The image shows the surface that mounts to the boat's transom, highlighting a wide horizontal flange and a central, V-shaped lower flotation chamber, both bordered by a series of pre-drilled mounting holes. Inside the bottom of the open flotation chamber, two circular metal drain plugs or fittings are visible. The wide top platform features a central mounting plate.
A photograph on a black background showing an angled, side-profile view of a white Sea Ox 21 High Flotation Single Engine Bracket. The left side is prominent, featuring a blue and white oval 'Welding World Inc' logo decal. The wide top platform has a textured non-skid surface, a central black circular access port, and a raised transom mounting plate at the rear. An auxiliary motor bracket is visible on the near left edge. The front mounting surface, with its V-shaped lower flotation chamber and pre-drilled.
A close-up photograph showing a circular, dome-shaped metallic marine anode mounted on a Sea Ox 21 High Flotation Single Engine Bracket. The anode features a central threaded stud and is stamped with the text 'MARTYR', 'The World's Premium Marine Anodes', and 'CMR-3'. A white structural edge with a pre-drilled hole is partially visible in the bottom left corner.
A close-up photograph looking downward through a circular access port into the interior of a Sea Ox 21 High Flotation Single Engine Bracket. The view reveals internal welded bracing and gussets, featuring a central vertical support intersecting with horizontal and angled cross-members that have triangular cutouts. The image highlights the prominent structural weld seams connecting the internal plates.
A close-up photograph revealing the interior construction of a Sea Ox 21 High Flotation Single Engine Bracket. The view displays internal welded bracing, featuring a curved central vertical support intersecting with horizontal stiffening plates. The image highlights prominent, consistent weld seams connecting all the metal panels. Small drainage or vent holes, along with circular welded fittings, are visible on the rear vertical walls.
A close-up photograph revealing the interior construction of a Sea Ox 21 High Flotation Single Engine Bracket. The straight-on view displays internal welded bracing, featuring a central vertical support that intersects with a horizontal stiffening shelf to create two distinct upper compartments. Prominent, consistent weld seams connect all the metal panels, including the vertical support to the floor. Small drainage or vent holes, along with circular welded fittings, are visible on the rear vertical walls.
A close-up photograph showing a white auxiliary motor bracket welded onto the textured top platform of a Sea Ox 21 High Flotation Single Engine Bracket. The auxiliary bracket features a vertical backplate with pre-drilled mounting slots and two side supports with distinct angular cutouts. Prominent weld seams are clearly visible where the components are joined to the non-skid surface.
A close-up photograph showing a white auxiliary motor bracket extending from the side edge of a Sea Ox 21 High Flotation Single Engine Bracket. The bracket features a vertical mounting face with four pre-drilled holes and side gussets with slotted cutouts. Prominent weld seams are visible where the unit is joined to the textured top platform and side rim.
A close-up photograph from a low angle showing a white auxiliary motor bracket welded onto the textured top platform of a Sea Ox 21 High Flotation Single Engine Bracket. The front-facing view looks directly into the bracket, displaying its flat base, a vertical backplate with two angled mounting slots, and side supports with angular cutouts. A portion of the main raised transom mounting plate is partially visible on the far right edge.
A close-up photograph from a low angle showing the underside of the top platform of a Sea Ox 21 High Flotation Single Engine Bracket. A stainless steel telescoping boarding ladder is mounted underneath in its retracted, stowed position. The side edge of the white bracket prominently features a blue and white oval 'Welding World Inc' logo decal.
A close-up photograph from a low angle showing a stainless steel telescoping boarding ladder in its retracted, stowed position, mounted underneath the top platform of a Sea Ox 21 High Flotation Single Engine Bracket. The ladder assembly is suspended from the underside of the white bracket by cylindrical standoffs and features black rubber bumpers on the ends of the rails.
A close-up photograph from an elevated, angled perspective showing a white auxiliary motor bracket welded onto the textured top platform of a Sea Ox 21 High Flotation Single Engine Bracket. The view looks down into the bracket, highlighting its flat base plate, vertical mounting face with pre-drilled slots, and side supports featuring angular cutouts. Distinct weld seams are clearly visible connecting the assembly to the non-skid surface.
Sea Ox 21 High Flotation Single Engine Bracket in white marine-grade aluminum, featuring an integrated swim platform with a non-slip surface, raised engine mounting plate, ladder cutout, and center rigging access hole for outboard motor installation.
A schematic on a black background displaying a front-facing view of a white Sea Ox 21 High Flotation Single Engine Bracket. Dimension lines and text indicate the bracket has a transom plate height of 18 inches and a lower flotation box width of 30 ½ inches.
"A schematic on a black background displaying a top-down view of a white Sea Ox 21 High Flotation Single Engine Bracket. Dimension lines and text indicate the bracket has a setback of 30 inches and a mean width of 72 inches. A note in the bottom left specifies, 'Setback Measurement is from transom to engine plates.'
Sea Ox 21 High Flotation Single Engine Bracket in white powder-coated aluminum, featuring an integrated flotation chamber, non-slip top surface with a black rigging access plate, reinforced engine mounting plate, and side storage compartment, shown from an angled front perspective on a black background.
Front view of a white Sea Ox 21 High Flotation Single Engine Bracket with a powder-coated aluminum finish, featuring an integrated flotation chamber, reinforced engine mounting plate, black rigging access plate on the top deck, and open storage compartment beneath the platform.
Angled rear view of a white Sea Ox 21 High Flotation Single Engine Bracket with a powder-coated aluminum finish, featuring a spacious non-slip top platform, black rigging access plate, integrated flotation chamber, reinforced engine mounting plate, and side storage compartment, shown on a black background.
A photograph on a black background displaying a slightly elevated, rear-facing view of a white Sea Ox 21 High Flotation Single Engine Bracket. The image highlights the engine mounting surface, showing a central protruding section equipped with two vertical black rectangular mounting plates with pre-drilled holes. A circular access port is visible on the wide top platform, along with an auxiliary motor bracket mounted on the right side and a handle or step underneath the left side.
A photograph on a black background displaying a front-facing, slightly elevated view of a white Sea Ox 21 High Flotation Single Engine Bracket. The image shows the surface that mounts to the boat's transom, highlighting a wide horizontal flange and a central, V-shaped lower flotation chamber, both bordered by a series of pre-drilled mounting holes. Inside the bottom of the open flotation chamber, two circular metal drain plugs or fittings are visible. The wide top platform features a central mounting plate.
A photograph on a black background showing an angled, side-profile view of a white Sea Ox 21 High Flotation Single Engine Bracket. The left side is prominent, featuring a blue and white oval 'Welding World Inc' logo decal. The wide top platform has a textured non-skid surface, a central black circular access port, and a raised transom mounting plate at the rear. An auxiliary motor bracket is visible on the near left edge. The front mounting surface, with its V-shaped lower flotation chamber and pre-drilled.
A close-up photograph showing a circular, dome-shaped metallic marine anode mounted on a Sea Ox 21 High Flotation Single Engine Bracket. The anode features a central threaded stud and is stamped with the text 'MARTYR', 'The World's Premium Marine Anodes', and 'CMR-3'. A white structural edge with a pre-drilled hole is partially visible in the bottom left corner.
A close-up photograph looking downward through a circular access port into the interior of a Sea Ox 21 High Flotation Single Engine Bracket. The view reveals internal welded bracing and gussets, featuring a central vertical support intersecting with horizontal and angled cross-members that have triangular cutouts. The image highlights the prominent structural weld seams connecting the internal plates.
A close-up photograph revealing the interior construction of a Sea Ox 21 High Flotation Single Engine Bracket. The view displays internal welded bracing, featuring a curved central vertical support intersecting with horizontal stiffening plates. The image highlights prominent, consistent weld seams connecting all the metal panels. Small drainage or vent holes, along with circular welded fittings, are visible on the rear vertical walls.
A close-up photograph revealing the interior construction of a Sea Ox 21 High Flotation Single Engine Bracket. The straight-on view displays internal welded bracing, featuring a central vertical support that intersects with a horizontal stiffening shelf to create two distinct upper compartments. Prominent, consistent weld seams connect all the metal panels, including the vertical support to the floor. Small drainage or vent holes, along with circular welded fittings, are visible on the rear vertical walls.
A close-up photograph showing a white auxiliary motor bracket welded onto the textured top platform of a Sea Ox 21 High Flotation Single Engine Bracket. The auxiliary bracket features a vertical backplate with pre-drilled mounting slots and two side supports with distinct angular cutouts. Prominent weld seams are clearly visible where the components are joined to the non-skid surface.
A close-up photograph showing a white auxiliary motor bracket extending from the side edge of a Sea Ox 21 High Flotation Single Engine Bracket. The bracket features a vertical mounting face with four pre-drilled holes and side gussets with slotted cutouts. Prominent weld seams are visible where the unit is joined to the textured top platform and side rim.
A close-up photograph from a low angle showing a white auxiliary motor bracket welded onto the textured top platform of a Sea Ox 21 High Flotation Single Engine Bracket. The front-facing view looks directly into the bracket, displaying its flat base, a vertical backplate with two angled mounting slots, and side supports with angular cutouts. A portion of the main raised transom mounting plate is partially visible on the far right edge.
A close-up photograph from a low angle showing the underside of the top platform of a Sea Ox 21 High Flotation Single Engine Bracket. A stainless steel telescoping boarding ladder is mounted underneath in its retracted, stowed position. The side edge of the white bracket prominently features a blue and white oval 'Welding World Inc' logo decal.
A close-up photograph from a low angle showing a stainless steel telescoping boarding ladder in its retracted, stowed position, mounted underneath the top platform of a Sea Ox 21 High Flotation Single Engine Bracket. The ladder assembly is suspended from the underside of the white bracket by cylindrical standoffs and features black rubber bumpers on the ends of the rails.
A close-up photograph from an elevated, angled perspective showing a white auxiliary motor bracket welded onto the textured top platform of a Sea Ox 21 High Flotation Single Engine Bracket. The view looks down into the bracket, highlighting its flat base plate, vertical mounting face with pre-drilled slots, and side supports featuring angular cutouts. Distinct weld seams are clearly visible connecting the assembly to the non-skid surface.

Sea Ox 21 High Flotation Single Engine Bracket

$ 3,939.00
/
  • Local pickup available
  • Over-sized & over-weight item.
  • Only Ships LTL Freight.
  • Call us Mon.-Fri. 9:00 a.m. to 4:00 p.m. if in any doubt.

*Power Pole Bracket Not Included*

 

Highlights:

  • Max engine power rating: 450 HP.

    • Only 100% CAD / CAM Engineered brackets in the US. Guaranteed to fit the infamous high transom trim tab cavity on Sea Ox 21 and other boats with similar geometry. 

    5086-H116 series aluminum construction throughout, expertly TIG welded by gray-haired master welders that have forgotten more about their craft than most of our competitors will ever know. Each bracket is double powder coated, first with a matte gray primer, then finished with a durable RAL topcoat in your choice of black, white, or cream.

    Comes complete with 2 aluminum-specific zincs, fully dressed drain, pre-drilled engine holes, and all necessary mounting hardware, including F593C grade stainless steel screws, washers, nuts, and 1/4" thick aluminum backing plates. 

    And there’s nothing small-time about our outboard engine bracket products—our gear is sold OEM to most major boat builders in Greater Miami and several of the largest manufacturers in upstate Florida. We proudly hold type certifications from the NMMA and ABYC.

    Contact us for a free consultation on your specific boat needs.    

    Note: Welded ladder bracket not included in the base price. Be sure to select the option in the box above if you need that in your bracket. All brackets are made to order and ship via expensive LTL freight, so returns will not be accepted. Double-check your measurements and make sure your order perfectly reflects your needs.

    Manufacturing & Delivery Timeframe: All of our engine brackets are professionally fabricated to order. The standard lead time for manufacturing is 3-4 weeks. Following production, please allow an additional 5-8 days for shipping. The total estimated time from placing your order to delivery at your door is typically between 4 and 5 weeks. Please note that manufacturing may be completed sooner depending on seasonal demand.

    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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