Hardin Marine

8-1/4" Stainless Steel Exhaust Flappers
Your Price:
$899.99

8-1/4" Stainless Steel Exhaust Flappers

410-280168

8-1/4" Stainless Steel Exhaust Flappers (EACH)

Due to the popularity of these Hardin Marine handcrafted satin stainless steel exhaust flappers they have created the option for larger versions. The flappers feature and O-ring seal to eliminate the possibility of any noise from the flapper during normal operation.  This new flapper represents the ultimate in durability and finishing touch to your boats exhaust system. These units are manufactured from 316L Stainless Steel and a silicon seal

*NOTE they require a minimum of 1-1/2" of exhaust tip for adequate clamping and attachment. 

These units are SOLD EACH and are custom built and require 4-6 weeks for delivery!


8-3/4" Billet Aluminum Euro Style Grab Handle

Your Price:
$97.99

8-3/4" Billet Aluminum Euro Style Grab Handle

125-EH400 + Option(s)

8-3/4"Billet Aluminum Euro Style Handle - Each

Size of Handle based on Bolt Hole - to - Bolt Hole

We've got them - the latest in billet handles. These Euro Styled Handles feature smooth contoured shapes and edges. These units use the same mounting holes as the traditional handles and vents so they are perfect for a new boat building project or they will retro-fit the traditional handles and vents manufactured by Hardin Marine.

*Note- These grab handles are 10" long with 8-3/4" bolt centers

See what each of our powder-coated finishes (both flat and glossy) look like under different lighting here!

90 Degree Chrome Plated Brass 1/2" NPT Male To 1/2" Hose Fitting
Your Price:
$15.99

90 Deg. Chrome Plated Brass 1/2" NPT x 1/2" Hose Fitting

540-222115

90 Degree 1/2" NPT Male To 1/2" Slip-On Hose Barb

We Offer the most complete line of chrome plated brass and custom fabricated stainless steel fittings available anywhere. All of these fittings are sure to simplify your plumbing job and add a tasteful finishing touch.


90 Degree Chrome Plated Brass 1/2" NPT Male To 3/4" Hose Fitting
Your Price:
$22.99

90 Deg. Chrome Plated Brass 1/2" NPT x 3/4" Hose Fitting

540-222117

90 Degree 1/2" NPT Male To 3/4" Slip-On Hose Barb

We Offer the most complete line of chrome plated brass and custom fabricated stainless steel fittings available anywhere. All of these fittings are sure to simplify your plumbing job and add a tasteful finishing touch.


90 Degree Chrome Plated Brass 1/8" x 3/8" Hose Fitting
Your Price:
$12.99

This Part has options, please click the button below to order.

90 Deg. Chrome Plated Brass 1/4" NPT x 3/8" Hose Fitting

540-222111

90 Degree 1/4" NPT Male To 3/8" Slip-On Hose Barb

We Offer the most complete line of chrome plated brass and custom fabricated stainless steel fittings available anywhere. All of these fittings are sure to simplify your plumbing job and add a tasteful finishing touch.


90 Degree Chrome Plated Brass 1/4" x 3/8" Hose Fitting
Your Price:
$15.99

90 Deg. Chrome Plated Brass 3/8" NPT x 3/8" Hose Fitting

540-222112

90 Degree 3/8" NPT Male To 3/8" Slip-On Hose Barb

We Offer the most complete line of chrome plated brass and custom fabricated stainless steel fittings available anywhere. All of these fittings are sure to simplify your plumbing job and add a tasteful finishing touch.


90 Deg. Stainless Steel 1/2" NPT x 5/8" Hose Fitting
Your Price:
$39.99

90 Deg. Stainless Steel 1/2" NPT x 5/8" Hose Fitting

540-222116

90 Degree 1/2" NPT Male To 5/8" Slip-On Hose Barb - SATIN Stainless Steel

We Offer the most complete line of chrome plated brass and custom fabricated stainless steel fittings available anywhere. All of these fittings are sure to simplify your plumbing job and add a tasteful finishing touch.


90 Degree Stainless Steel 3/4" NPT Male To 1" Hose Fitting
Your Price:
$25.99

90 Deg. Stainless Steel 3/4" NPT x 1" Hose Fitting

540-222120

90 Degree 3/4" NPT Male To 1" Slip-On Hose Barb

We Offer the most complete line of custom fabricated stainless steel fittings available anywhere. All of these fittings are sure to simplify your plumbing job and add a tasteful finishing touch.


Chrome Plated Brass 1/8" x 3/8" Hose Fitting
Your Price:
$8.99

90 Degree Brass 3/4" NPT x 5/8" Hose Fitting

540-222118B

90 Degree Brass 3/4" NPT x 5/8" Hose Fitting 

 All of these fittings are sure to simplify your plumbing job and add a tasteful finishing touch.


9-Bolt Billet Aluminum Steering Wheel Adapter For Formuling Pattern

Your Price:
$114.99

9-Bolt Billet Aluminum Steering Wheel Adapter For Formuling Pattern

125-S-900 + Option(s)

9-Bolt Billet Aluminum Steering Wheel Adapter For Formuling Pattern

  • Made from Billet Aluminum and powder-coated
  • Adapter is 4-1/4" in Diameter and 1" Tall
  • Designed to fit the 9-bolt steering wheels made by Formuling, Grant, and others
  • Features a 3-bolt mounting flange and 9-bolt steering wheel mount
  • Each adapter includes a billet center cap which fits 3" cap hole
  • Each adapter is supplied with stainless steel hardware

Need help installing your new adapter? Check out this handy tutorial!

See what each of our powder-coated finishes (both flat and glossy) look like under different lighting here!

Dual Actuator Accelerator
Your Price:
$139.99

Actuator Accelerator Relay

620-434

  • For use with Single or Dual Actuator.
  • Transfers the electric load from your dash accessories to the accelerator box, increasing the total voltage to the hatch actuator is greatly increased.
  • Accelerates hatch opening and closing.

15) Trim Table Cable End
Your Price:
$8.99

Actuator Pin Spacer

137-8665

Actuator Pin Spacer for Trim Tab Retrofit Kits

Adjustable EFI/MPI Flow Command Regulator
Your Price:
$89.99

Adjustable EFI/MPI Flow Command Regulator

620-15529

Adjustable EFI/MPI Flow Command Regulator - 1993-98 MerCruiser 454/502 EFI Systems

Hardin Marine just added the MerCruiser 454/502 EFI Systems application to our line of high performance Flow Command adjustable fuel flow modifiers. The billet aluminum Flow Command is designed specifically for stock or modified 454/502 EFI systems. The Flow Command allows modification of the fuel flow rate to properly tune the air flow ratio. Ideal for use with high flow exhausts and intakes, the Flow Command incorporates these exclusive features:

  • Bolt-on adjustable modifier for stock fuel regulators
  • 6061-T6 billet aluminum case, CNC machined
  • Allows pressure adjustments from 25 to 65 PSI
  • Machined to exacting tolerances

Adjustable Fuel Level Sender
Your Price:
$32.99

Adjustable Fuel Level Sender

105-FS102

Adjustable Fuel Level Sender

    • For use with 240-33 ohm gauges
    • (240 ohm empty and 33 ohm full)
  • Adjustable and can be tailored to most fuel tanks.
  • Most common type of fuel level sender in production style boats today.
  • Standard 5 Hole mount.
  • For Tanks 6" to 24" deep.
Note: Comes With Gaskets

Adjusting Bracket for Multi Stage Sea Pump
Your Price:
$9.99

Adjusting Bracket for Multi Stage Sea Pump

625-4049

Adjusting Bracket for Hardin Marine Multi Stage Sea Pumps


AFR Magnum Big Block Chevy Dual Plane Manifold
Your Price:
$331.65

AFR Magnum Big Block Chevy Dual Plane Manifold

820-4910

AFR proudly presents the Magnum Intake Manifold, the ultimate power upgrade for your Big Block Chevy engine. Crafted with precision and engineered to perfection, this manifold is the key to unlocking a new level of performance for your street vehicle. Designed to seamlessly integrate with our acclaimed AFR Magnum Oval port cylinder heads, this manifold promises a hassle-free enhancement to your engine’s capabilities. Say goodbye to the painstaking task of port matching, as it is a direct bolt-on solution for our select cylinder heads*. The Magnum Intake Manifold utilizes a dual-plane design, featuring runners that are custom-tailored for high-horsepower applications thriving in the 1800-6200 RPM range. Elevate your driving experience today with AFR’s Magnum Intake Manifold – where power meets precision. 

  • Carb Flange Height: Front: 5.22” Middle: 5.39” Rear: 5.57”
  • 1800-6200 RPM optimal operating range
  • Designed for a standard/ stock block height
  • 4150 carburetor flange *Best fit for AFR Magnum Oval Port 265cc, 290cc, and 300cc cylinder heads
  • May require porting to match other cylinder heads.

Air Filter Assembly Vent, Black
Your Price:
$29.99

Air Filter Assembly Vent, Black

620-70162

Air Filter Assembly Vent, Black Plastic, 1-1/2" Inlet Diameter, 3-1/2" Height, Threaded End, Sold Individually

Vent your air cleaner.

These K&N air filter assembly vents are specifically designed for venting air out of the side of your air cleaner. They are available in different inlet sizes and materials, based on what you need for your application. Removable baffle included inside extension


Alpha Gen 2 Saddle
Your Price:
$139.99

Alpha Gen 2 Saddle

137-9438

Alpha Gen 2 Saddle



Aluminum AN Wrench Set -4 thru -20
Your Price:
$129.99

Aluminum AN Wrench Set -4 thru -20

555-46811

Aluminum AN Wrench Set (-4 thru -20)

For those of you that realize the right tool for the job makes all the difference you’re going to love the new CNC machined hard anodized aluminum wrench set.  This wrench set provides a clean un-marred finish when working with your AN fittings. These tools are one of the best investment you’ll make and they are designed to last a lifetime.


Custom Aluminum Fabricated Foot Throttle Assembly - Stringer Mount
Your Price:
$475.99

Aluminum Fabricated Foot Throttle Assembly - Stringer Mount

125-457871

Custom Aluminum Fabricated Foot Throttle Assembly - Stringer Mount

These handcrafted aluminum foot throttles represent a billet styled pedal. Each pedal assembly features a foot retention lip around the pedal. Not only are these pedals gorgeous to look at they're also extremely durable and smooth operating. The pedal assembly is polished with a satin foot step. These pedals make an ordinary installation into and extraordinary installation. These pedals accept all popular 33C series cables. Mounting bracket is 7" away from stringer at its widest point. This is a push style throttle.


Custom Aluminum Fabricated Foot Throttle Assembly - Floor Mount
Your Price:
$489.99

Aluminum Fabricated Foot Throttle Assembly (Pull Style) - Floor Mount

125-457369

Custom Aluminum Fabricated Foot Throttle Assembly (Pull Style) - Floor Mount

These handcrafted aluminum foot throttles represent a billet styled pedal. Each pedal assembly features a foot retention lip around the pedal. Not only are these pedals gorgeous to look at they're also extremely durable and smooth operating. The pedal assembly is polished with a satin foot step. These pedals make an ordinary installation into and extraordinary installation. These pedals accept all popular 33C series cables.


Custom Aluminum Fabricated Foot Throttle Assembly - Floor Mount
Your Price:
$489.99

Aluminum Fabricated Foot Throttle Assembly (Push Style) - Floor Mount

125-457370

Custom Aluminum Fabricated Foot Throttle Assembly (Push Style) - Floor Mount

These handcrafted aluminum foot throttles represent a billet styled pedal. Each pedal assembly features a foot retention lip around the pedal. Not only are these pedals gorgeous to look at they're also extremely durable and smooth operating. The pedal assembly is polished with a satin foot step. These pedals make an ordinary installation into and extraordinary installation. These pedals accept all popular 33C series cables.


Billet Aluminum Flame Arrestor Spacer
Your Price:
$18.95

Aluminum Flame Arrestor Spacer

625-5101

6061 Aluminum Flame Arrestor Spacer
Holley 4150 (5.10" I.D. x 7/8" Tall)

These spacers were developed to allow additional throttle linkage arm clearance for use with many aftermarket EFI Throttle bodies. The small spacer is standard equipment on Hardin marine 4150 series flame arrestors. 


Aluminum Steering Bezel for Morse / Teleflex helms

Your Price:
$52.99

Aluminum Steering Bezel for Morse / Teleflex Rack Helms

125-SB200 + Option(s)

Aluminum Steering Bezel for Morse / Teleflex helms

If you've ever wondered what to do about that cheap plastic steering bezel that cracks and fades on your Morse steering post or you just want the perfect color matched accessories to go with your new steering wheel and adapters, this is it.  These aluminum steering bezels are a direct replacement and are available polished or in your choice of colors.  These units fit rack and pinion steering helms only. Has a total of 4 holes for installation.

Now fits both the Old Morse and Teleflex Rack helms. Does not fit Teleflex Rotary Helms that come with SS137 Rotary Steering Kits.

Base is 4-1/2" inches wide. Top is 3-1/2" Wide. Height is 2-1/4".

See what each of our powder-coated finishes (both flat and glossy) look like under different lighting here!

Amber LED Indicator Light, 5/16 mounting hole, 12 Volt
Your Price:
$16.95

Amber LED Indicator Light, 5/16 mounting hole, 12 Volt

620-8965

Amber LED Indicator Light, 5/16 Mounting Hole, 12 Volt

A polished metal housing gives these lights an attractive look anddurability. 12 V panel mount, for 5/16” panel hole. Comes with 6 inches of 18gauge wire leads. Provides a high intensity brightness and is water tight.Available in Red, Amber, and Green.


Angle Cut Exhaust Clamp on Flap, Stainless Steel
Your Price:
$169.99

Angle Cut Exhaust Clamp on Flap, Stainless Steel

410-280185

Angle Cut Exhaust Clamp on Flap, Stainless Steel

If you've always wanted the stylish look of a angled cut tip but couldn't due to the fact you really needed the safety of an external flapper then we have the answer you've been looking for. These high polished 316L stainless steel external flaps are designed to slides over an existing 4" straight cut tip and provide the security of a secondary or even primary exhaust flapper. 1" of exposed exhaust pipe is required for mounting. Sold in pairs.

Angled Billet Aluminum Gauge Bezels



Starting From:
$24.99
This Part has options, please click the button below to order.

Angled Billet Aluminum Gauge Bezels

125-AG- + Option(s)

Angled Style Billet Aluminum Powder Coated Gauge Bezels

Hardin Marine Gauge Bezels are available in two different styles, flat or angled. These bezels are designed to be slid onto the gauge behind the trim ring and then the gauge installed into the dash offering the perfect accent of color to any dash and an easy installation at that. Each bezel is CNC machined from billet aluminum and then beautifully powder coated.

    Sizes:
  • Standard 2-1/16"
  • Large 2-5/8"
  • Tach/Speedo 3-3/8"
  • Monster 4-5/8"
  • Angled bezels have a 15 degree angle
These angled bezels make it easier for you to cant a gauge towards your view when driving.

Shown below are approximate color representations. All computer screens are different and will display color differently. The Red, Blue, Purple, Teal and Polished powder coats are "candy" or translucent while the Black, White, Orange, Yellow and Lime Green powder coats are flat.

See what each of our powder-coated finishes (both flat and glossy) look like under different lighting here!