Best Transom Bracket For Outboard: 10 Options Compared

#1 · Best Overall

1. Camoo TSP-1 & TSP-2DP Kit

• Material: Cast Aluminum

Best for: Standard-pattern transom reinforcement.

Why it ranks #1: Includes top and lower 3/8-inch plates for standard bolt-hole applications, covering more of the mounting pattern than the single-plate alternatives.

The included top and lower support plates address both standard outboard bolt-hole positions, helping distribute engine mounting stress across the transom. Camoo lists compatibility with universal mounting patterns used by major manufacturers, including Mercury, Evinrude, Johnson, and Yamaha, making this a reinforcement kit for matching installations.

The 15-by-2-inch TSP-1 plate serves standard top bolt holes, while the 12-by-2-inch TSP-2DP plate is specified for lower holes with 10-inch spacing. Their 3/8-inch cast-aluminum construction provides substantial plates at both mounting levels, rather than a single reinforcement piece. The stated universal pattern compatibility covers major outboard brands, but the listed dimensions and hole spacing remain relevant when checking whether the kit matches the boat’s existing mounting layout.

Skip it if you need an adjustable trailer support rather than plates at the engine mounting holes; this kit reinforces the transom mounting area.

For boat owners reinforcing a standard-pattern outboard’s top and lower mounting points, this two-plate kit covers both locations. Its stated lower-hole spacing is 10 inches, so that dimension is a key boundary for matching installations.

Listed on Amazon as: TSP-1 & TSP-2DP Transom Support Plate Kit For Transom Top & Lower Bolt Hole

#2 · CNC Patterned Plates

2. LQYLMY Support Plate Kit

• Material: 6061 aluminum alloy
• Material Type: 6061 aluminum alloy

Best for: CNC-finished standard-pattern plates.

Why it ranks #2: Provides top and bottom 6061 aluminum plates with stated 13-inch and 10-inch hole spacing, plus CNC-carved surface patterns.

CNC-carved 3D patterns give this top-and-bottom transom plate set a decorative finish while its 6061 aluminum construction serves standard mounting patterns. The paired plates are specified for 13-inch top and 10-inch lower bolt spacing, helping buyers evaluate the set against an existing outboard or jack-plate layout.

The top plate measures 15 inches overall with 13-inch hole spacing, and the 12-inch lower plate uses 10-inch spacing; both are 2 inches wide and 0.375 inches thick. Those dimensions make the intended standard pattern explicit for installation planning. The 6061 aluminum alloy is described as rust- and corrosion-resistant, supporting use in marine surroundings, while the CNC-carved surface adds a visible finish detail without changing the stated mounting dimensions.

Skip it if you need a telescoping trailer motor support; these are fixed top and bottom mounting plates, not an adjustable trailering brace.

Choose this set when reinforcing a boat’s standard-pattern engine or jack-plate mounting area and the stated hole spacing matches. Its decorative CNC-carved finish is a bonus, but the fixed 13- and 10-inch pattern is the fit boundary.

Listed on Amazon as: Upgraded Boat Transom Support Plate Top & Bottom Set, 10” & 13” Standard Bolt Hole Spacing, 6061 Aluminum Transom Plate for Outboard or Jack Plate Mounting

#3 · Top-Hole Reinforcement

3. Danti TSP-1 Plate

• Material: Aluminum
• Material Type: Aluminum

Best for: Top-hole transom protection.

Why it ranks #3: Its 15-by-2-inch, 3/8-inch aluminum plate is specified for standard top bolt holes and distributing outboard engine stress.

The 15-by-2-inch TSP-1 plate targets standard top bolt holes, spreading outboard weight and bolt stress to help protect the transom. Danti lists aluminum construction with corrosion and rust resistance, plus compatibility with common Mercury, Evinrude, Johnson, and Yamaha mounting patterns for motors without twist clamps.

This single TSP-1 plate is specified at 15 by 2 inches and 3/8-inch thickness, giving buyers clear dimensions for planning reinforcement around top mounting holes. Its stated function is to distribute engine-bolt stress and outboard weight across the transom, addressing the load at that mounting area. The listing identifies it for most outboards sharing the pattern and specifically mentions newer motors without twist clamps; it does not include a lower-hole plate.

Skip it if you need reinforcement at both upper and lower mounting holes; Camoo’s TSP-1 and TSP-2DP kit supplies plates for both positions.

A practical match for owners reinforcing standard top bolt holes on an outboard without twist clamps. Buyers needing a paired lower plate should look beyond this single-piece TSP-1, whose stated role is top-hole support.

Listed on Amazon as: Transom Support Plate TSP-1 Outboard Motor Aluminum Transom Support Plate For Top Bolt Holes Standard Bolt Holes 15" X 2", 3/8" Thickness

#4 · Single-Engine Mount

4. ALMULOO 20-Inch Engine Bracket

• Material: Aluminum
• Material Type: Aluminum

Best for: Powder-coated single-engine bracket.

Why it ranks #4: A dedicated 20-inch single-engine bracket made from heavy-duty aluminum with a powder-coated finish for marine environments.

A 20-inch profile and powder-coated aluminum construction define this single-engine bracket, with the coating forming a durable protective surface for marine conditions. Its listed compatibility spans Mercury, Yamaha, Evinrude, Honda, and Johnson, giving buyers a named-brand range to consider when selecting a bracket for a boat transom.

The heavy-duty aluminum body keeps the bracket’s main structure in aluminum, while its powder-coated exterior is described as a protective layer suited to harsh marine conditions. The 20-inch designation gives buyers a concrete bracket size to assess for their installation. Compatibility information names several major outboard brands, and the package includes installation accessories, which supports setup planning; the supplied details do not specify a load rating or adjustable length.

Skip it if you need a stated horsepower limit or adjustable trailering support; this listing specifies a 20-inch single-engine bracket instead.

This suits buyers seeking a fixed 20-inch aluminum bracket for one engine and whose outboard brand appears in the compatibility list. The supplied details do not give a horsepower rating, so it is not the choice for buyers requiring one.

Listed on Amazon as: ALMULOO Universal Heavy Duty Aluminium 20" Outboard Single Engine Bracket

#5 · 100 HP Capacity

5. JY PERFORMANCE Transom Saver

• Material: Acrylonitrile Butadiene Styrene (ABS), Aluminum
• Material Type: Acrylonitrile Butadiene Styrene (ABS), Aluminum

Best for: Adjustable support up to 100 HP.

Why it ranks #5: Adjusts from 23 to 35 inches and is specified for motors up to 100 HP, with a composite head and trailer mount bracket included.

A telescoping 23-to-35-inch range lets this transom saver adapt to different motor and trailer clearances, with support specified for outboards up to 100 HP. Its composite head uses a marine-grade ABS clamp to hold the engine, while an aluminum shaft carries the supporting structure during trailering.

The adjustable length is useful when the available gap between the outboard and ground is limited, and the product description connects that clearance problem to its weight-distribution purpose. Its aluminum shaft provides the support structure, while the composite head and marine-grade ABS clamp hold the motor. Included rubber strings with S-hooks, clevis pins, and a trailer mount bracket provide the listed connection components for setting up the support on a trailer.

Skip it if you trailer an outboard above 100 HP; Five Oceans FO3465 is listed for most outboards up to 200 HP.

This fits boaters seeking an adjustable trailering support for motors up to 100 HP, especially where ground clearance is limited. Its 23-to-35-inch range and included trailer hardware are the key setup boundaries to consider.

Listed on Amazon as: Boat Transom Saver for Outboard Motor, Supports up to 100 HP Motors

#6

6. Five Oceans Transom Saver

• Material: Aluminum
• Material Type: Aluminum

Best for: Shock-absorbing support up to 200 HP.

Why it ranks #6: Its adjustable 20.5-to-31-inch range and stated fit for outboards up to 200 HP suit trailering setups needing a higher listed capacity.

A shock-absorbing mechanism and 20.5-to-31-inch adjustment range make the Five Oceans transom saver a trailering support for most outboards up to 200 HP. The straight design uses a roller mount, and the stated purpose is to stabilize the motor and steering mechanism while helping avoid transom damage during transport.

The 20.5-to-31-inch adjustable length helps accommodate different boat trailer setups, giving buyers a defined range to compare with their motor position. Its shock-absorbing mechanism is intended to protect the engine and boat while stabilizing the motor and steering mechanism in transit. The listing specifies a straight transom saver with roller mount for most outboards up to 200 HP, making horsepower and trailer geometry the main selection considerations.

Skip it if you need a support extending beyond 31 inches; Pactrade Marine PM159120 adjusts to 46 inches for longer spans.

For boaters trailering most outboards up to 200 HP, this combines a stated shock absorber, roller mount, and 20.5-to-31-inch adjustment. Check that the available range suits the trailer setup; the listing does not extend beyond 31 inches.

Listed on Amazon as: Five Oceans Heavy Duty Transom Saver for Outboard Motor, Adjustable 20.5" to 31" Motor Support Bracket with Shock Absorber, Fits Most Outboards Up to 200 HP, Boat Trailer Motor Support – FO3465

#7

7. T-H Marine Adjustable Bracket

• Material: Alloy Steel, Aluminum
• Material Type: Alloy Steel, Aluminum

Best for: Adjustable trailering motor brace.

Why it ranks #7: Adjusts from 26 to 38 inches and includes a bolt-on trailer adapter and rubber hook strap for trailering support.

Sliding adjustment from 26 to 38 inches lets the T-H Marine brace span a range of outboard-to-trailer gaps and stabilize the motor during transport. Its included bolt-on trailer adapter and rubber hook strap provide the listed connection points, while the support helps reduce stress on the transom, motor mounts, and steering components.

The 26-to-38-inch adjustment range gives buyers a defined span for matching a trailering setup, and the sliding design allows length changes between the outboard and trailer. A bolt-on trailer adapter and rubber hook strap form the stated connection system for most trailer setups. By stabilizing the motor in transit, the bracket is intended to reduce stress on the transom, motor mounts, and steering components—not to serve as a fixed engine-mounting plate.

Skip it if you need a support longer than 38 inches; Pactrade Marine’s PM159120 adjusts up to 46 inches.

For boaters wanting an adjustable brace for trailering, this provides a 26-to-38-inch range and trailer adapter with strap. Its role is transport stabilization, so buyers seeking a transom mounting plate need a different type of support.

Listed on Amazon as: T-H Marine 26 – 38 Inch Adjustable Transom Bracket – Outboard Motor Trailering Support Brace with Bolt On Trailer Adapter and Rubber Hook Strap – Protects Motor – Steering Components During Transport

#8

8. HILILON Transom Saver

• Material: Alloy Steel
• Material Type: Alloy Steel

Best for: Spring-assisted support below 150 HP.

Why it ranks #8: The 20.27-to-30.7-inch steel support is stated for outboards below 150 HP and includes a spring-loaded upper bracket and tension straps.

A spring-loaded upper bracket and adjustable 20.27-to-30.7-inch span give this transom saver a defined trailering setup for outboards below 150 HP. Hot-dip galvanizing and powder spraying are specified for rust prevention, while two EPDM tension straps secure the support to the motor and trailer arrangement.

The 20.27-to-30.7-inch adjustment range helps match the support to a trailer’s available span, and the spring-loaded upper bracket adds the listed shock-absorption element. A multi-hole lower bracket and fixed bolt form the lower mounting hardware; two EPDM tension straps come in different lengths with buckles. Hot-dip galvanizing and powder spraying address rust prevention, especially at the lower end that may contact seawater, according to the supplied description.

Skip it if you need support for an outboard rated at 150 HP or more; Five Oceans FO3465 is listed for motors up to 200 HP.

This suits trailering setups for outboards below 150 HP that can use its 20.27-to-30.7-inch span, spring-loaded upper bracket, and tension straps. Its stated horsepower ceiling is the key boundary when matching engine capacity.

Listed on Amazon as: Transom Savers for Outboard Motor – Adjustable Motor Support Bracket with Shock Absorption, Hot-Dip Galvanized and Powder-Coated Rust Prevention, Wide Compatibility for Boat Trailers

#9

9. Pactrade Marine Support Bracket

• Material: stainless steel, rubber
• Material Type: stainless steel, rubber

Best for: Long-range trailer support.

Why it ranks #9: Its 34-to-46-inch adjustment range covers longer trailer-support setups, with polypropylene pads and an EPDM strap with stainless steel hooks.

The 34-to-46-inch adjustment range gives this Pactrade Marine bracket a longer stated reach for supporting an outboard between boat and trailer. Lightweight aluminum tubing forms the support, while polypropylene pads and an EPDM rubber strap with stainless steel hooks provide the listed contact and securing components.

With its adjustable span running from 34 to 46 inches, this bracket suits trailer setups requiring more reach than shorter listed ranges. The aluminum tubing keeps the support structure lightweight, and the indestructible polypropylene pads provide the stated contact surfaces. An EPDM rubber strap with stainless steel hooks at both ends is described as easy to handle, making the securing step part of the package’s practical trailering workflow.

Skip it if you need a shorter trailer support range; T-H Marine’s 26-to-38-inch bracket covers a lower adjustment span.

Consider this support for trailer arrangements needing a 34-to-46-inch reach, with pads and a handled rubber strap included. The relatively long minimum adjustment is the fit boundary for setups with a shorter motor-to-trailer gap.

Listed on Amazon as: Pactrade Marine Boat Trailer Motor Transom Support Bracket Dual Mount 34" to 46"

#10

10. KUAFU 20-Inch Engine Bracket

• Material: Aluminum
• Material Type: Aluminum

Best for: Powder-coated 20-inch bracket.

Why it ranks #10: This 20-inch aluminum single-engine bracket has a powder-coated finish, but the supplied details provide no rated capacity or mounting dimensions.

This 20-inch single-engine bracket pairs heavy-duty aluminum with a powder-coated exterior intended to resist chipping, scratching, and fading. Its stated compatibility includes Mercury, Yamaha, Evinrude, Honda, and Johnson, while the listing describes the aluminum construction as lightweight enough not to excessively increase the boat’s total weight.

The 20-inch bracket format provides a defined size for evaluating an installation, and its universal-design claim names several major outboard brands. Heavy-duty aluminum supplies the main structure, while powder coating forms a durable surface described as resistant to fragmentation, scratching, and fading in marine use. Installation accessories are included. The supplied information does not state an engine horsepower capacity, so buyers should treat the listed size and compatibility—not an unstated load figure—as the available selection details.

Skip it if you require a listed engine horsepower rating; this bracket’s supplied details give its 20-inch size and brand compatibility, not capacity.

A candidate for buyers seeking a powder-coated aluminum single-engine bracket in the 20-inch size, with several named brands listed as compatible. The absence of a supplied horsepower rating is a meaningful boundary for capacity-led selection.

Listed on Amazon as: KUAFU 20" Outboard Single Engine Bracket Compatible with Evenrude