Shop by Brand: T-H Marine Supplies

Quick Flush™ Outboard Flush Fitting Kit for Mercury & Yamaha Outboards

Provides a quick and easy way to flush any outboard equipped with a flushing port. No more removing the plug and twisting hoses to flush. Replace the plug with the Quick Flush™ and snap the hose on and off. Normal operating water pressure keeps the valve sealed when using engine. 

Features:

• Makes flushing outboard quick and easy
• Unique previously patented slide valve replaces outboard flushing port plug
• O-ring seal closes off port when operating engine
• Quick connect on hose snaps onto valve for flushing
• No plug to remove and no difficult turning of hose into port
• Takes the hassle out of flushing your outboard
• Fits all outboards equipped with a flushing port
• Kit consists of slide valve, hose quick connector, and washer

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

Replacement Actuator for ATLAS™ Jack Plates Post March 2014

Features:

• Allows customers to remove the motor from a faulty AHJACT-3-DP and replacement it with a new one
• More cost effective than replacing the entire actuator

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

Replacement Relay Harness for Hydraulic Jack Plates 2014+

Genuine Replacement Part for Atlas Hydraulic Jack Plate.

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

Steer Stop Outboard Hydraulic Steering Lock Set - 4"

T-H Marine developed the first steering stop available for outboard motors and now we've revised that design so it stands apart from imitation and performs better than any other on the market. 

With our 4" Steer Stop Outboard Hydraulic Steering Lock in place, boaters can center their outboard motor equipped with hydraulic steering and keep it from wandering when trailering. Similar to the original Steer Stop, units clip onto hydraulic steering rams on either side of outboard to keep engine straight and prevent damage to motor supports. The cord then keeps units together when stowed and aids removal.

Additionally, with the new grip built into the design, it is easier than ever to install and remove the Steer Stop Outboard Hydraulic Steering Lock, saving you effort and wear and tear on your hands.

Features:

• Must-know information about the 4" Steer Stop Outboard Hydraulic Steering Lock:
• Locks hydraulic steering when trailering
• Fits most steering cylinder rods on outboard engines
• Snaps over outboards hydraulic steering cylinder rods
• Helps keep engine centered during transport
• Protects steering system, outboard, and motor supports
• Includes cord to connect units for storage and to aid in removal
• Grip makes it even simpler and easier to put on and take off

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

Steering Trim Control Unit

Trim Switches on the Steering Wheel Improve Safety and Performance. 

This steering trim control unit is molded of black plastic with raised white letters to not only enhance boat appearance but also provide the ultimate in control of any high performance boat. The steering trim control unit mounts easily to steering wheel spokes to place engine trim control at your finger tips for maximum safety and ease of operation. The weather proof, rubber booted, push button switches combined with a black urethane coiled cord provide a unit which will provide trim control without removing hands from steering wheel.

Features:

• Puts trim switches on steering wheel for convenience and safety
• Allows driver to keep both hands on the steering wheel
• Mounts easily on steering wheel spokes
• Weatherproof rubber booted switches
• Rugged urethane coiled cord
• Can be used for trim control or jack plate control

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

Transom Trim Control Push Button Trim Switch

Transom Trim Control Switch/Hydraulic Jack Plate Switch

Put a trim switch or hydraulic jack plate anywhere you want with this versatile switch.  The Transom Trim Control Switch provides a weatherproof tilt control system at the stern area of the boat to facilitate placing motor support in position with one person. Switch can also be used for remote adjustment of hydraulic jack plates. The switch housing is molded black plastic with raised white letters and may be mounted on any flat surface, comes with 18" pigtail wire and installation instructions.

Features:

• Trim switch for outboards or stern drives
• Hydraulic jack plate switch
• Puts Tilt & Trim Control Anywhere
• Weatherproof Control Switches
• UV stable molded housing
• Can Also Operate Power Jack Plates

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

Z-LAUNCH™ 10' Watercraft Launch Cord for Boats up to 16'

Makes launching boat by yourself as easy as 1-2-3!

Endorsed and used by professional angler Timmy Horton. Used by the majority of BASS and FLW fishing professionals.

The Z-LAUNCH™ Watercraft Launch Cord makes solo watercraft launching easier than you've ever experienced. The no-hassle launch cord, made of premium elastics, uses automatically adjusting tension when you back your boat, jet ski, or tow tube into the water, so it won't jerk your watercraft around when you pull the trailer forward. Expandable to more than 20', the Z-LAUNCH™ Watercraft Launch Cord attaches in just 3 steps. Fasten a hook to your boat, connect a steel ring to the winch, and lock the winch. You're ready for the smoothest watercraft launching on the water.

Features:

• Simple and safe operation
• No-hassle design
• Attaches easily
• Expands to more than 20'
• Unlike rope, will not jerk your watercraft or you
• Stay safe and dry launching your boat alone
• Great for ramps with "no power" laws

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

Z-LAUNCH™ 15' Watercraft Launch Cord for Boats 17' - 22'

Makes launching boat by yourself as easy as 1-2-3!

Endorsed and used by professional angler Timmy Horton. Used by the majority of BASS and FLW fishing professionals.

The Z-LAUNCH™ Watercraft Launch Cord makes solo watercraft launching easier than you've ever experienced. The no-hassle launch cord, made of premium elastics, uses automatically adjusting tension when you back your boat, jet ski, or tow tube into the water, so it won't jerk your watercraft around when you pull the trailer forward. Expandable to more than 20', the Z-LAUNCH™ Watercraft Launch Cord attaches in just 3 steps. Fasten a hook to your boat, connect a steel ring to the winch, and lock the winch. You're ready for the smoothest watercraft launching on the water.

Features:

• Simple and safe operation
• No-hassle design
• Attaches easily
• Expands to more than 20'
• Unlike rope, will not jerk your watercraft or you
• Stay safe and dry launching your boat alone
• Great for ramps with "no power" laws

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

Z-LAUNCH™ 20' Watercraft Launch Cord for Boats 23'-35'

Makes launching boat by yourself as easy as 1-2-3!

Endorsed and used by professional angler Timmy Horton. Used by the majority of BASS and FLW fishing professionals.

The Z-LAUNCH™ Watercraft Launch Cord makes solo watercraft launching easier than you've ever experienced. The no-hassle launch cord, made of premium elastics, uses automatically adjusting tension when you back your boat, jet ski, or tow tube into the water, so it won't jerk your watercraft around when you pull the trailer forward. Expandable to more than 20', the Z-LAUNCH™ Watercraft Launch Cord attaches in just 3 steps. Fasten a hook to your boat, connect a steel ring to the winch, and lock the winch. You're ready for the smoothest watercraft launching on the water.

Features:

• Simple and safe operation
• No-hassle design
• Attaches easily
• Expands to more than 20'
• Unlike rope, will not jerk your watercraft or you
• Stay safe and dry launching your boat alone
• Great for ramps with "no power" laws

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

Push-In Drain Plug for 1-1/8" Thru-Hull & All Purpose Drains

These push-in drain plugs are used to stop water flow through drains or overflows from baitwell or livewell. Also work well as plugs for sink drains and built in cooler drains.

Plugs are a perfect compliment to T-H Marine overflow drain tubes.

These pvc push-in drain plugs are injection molded of marine grade PVC for a long lifespan. Plugs feature a pull tab or pull ring for easy removal.  They have double seal rings to assure positive sealing.     

Push-In Drain Plug f/1-1/2" Thru-Hull Drains

These push-in drain plugs are used to stop water flow through drains or overflows from baitwell or livewell. Also work well as plugs for sink drains and built in cooler drains.

Plugs are a perfect compliment to T-H Marine overflow drain tubes.

These pvc push-in drain plugs are injection molded of marine grade PVC for a long lifespan. Plugs feature a pull tab or pull ring for easy removal.  They have double seal rings to assure positive sealing.