Hardin Marine

Stainless -12 AN Steel Bulkhead Fitting
Your Price:
$74.99

Stainless -12 AN Steel Bulkhead Fitting

410-WP3512

  • -12 AN male fitting.
  • Constructed of 316L Stainless Steel.
  • Fits many Applications.
  • 2" max transom thickness
  • 1.250" diameter mounting hole
  • 2.5" x 2.5" mounting plate
  • 1/4" holes in plates
  • -12 inlet
  • .600" ID
  • 4.375" overall length

Stainless -12 AN Thru-Hull Water Pick-Up
Your Price:
$79.99

Stainless -12 AN Thru-Hull Water Pick-Up

410-WP2512

  • -12 AN male fitting.
  • Highly Polished Stainless Steel.
  • Cut length to match the bottom of your boat.

Stainless -16 AN Steel Bulkhead Fitting
Your Price:
$89.99

Stainless -16 AN Steel Bulkhead Fitting

410-WP3516

  • The overall length: 4 1/2"
  • The mounting flanges are: 2 1/2" square
  • The mounting flange is: 1/8 thick
  • The bolt pattern is: 1 7/8" square
  • -16 AN male fitting.
  • Constructed of 316L Stainless Steel.
  • Fits many Applications.

Stainless -16 AN Thru-Hull Water Pick-Up
Your Price:
$69.99

Stainless -16 AN Thru-Hull Water Pick-Up

410-WP2516

  • -16 AN male fitting.
  • Highly Polished Stainless Steel.
  • Cut length to match the bottom of your boat.

Stainless Cable Thru-Hull Fitting, 45 Deg
Your Price:
$59.99

Stainless 33C Cable Thru-Hull Fitting, 45 Deg

620-336175

Stainless 33C Cable Thru-Hull Fitting, 45 Deg

Incorporating an o-ring seal, this cable thru-hull is the easiest and cleanest way to route your cable without having to goop it up with tons of silicone. 3/8" ID Seal Bushing. 1/2" ID on external nut. 15/32" ID on internal hole in base. Fits 33C Cables.


Stainless -8 AN Thru-Hull Water Pick-Up
Your Price:
$79.99

Stainless -8 AN Thru-Hull Water Pick-Up

410-WP2508

  • -8 AN male fitting.
  • Highly Polished Stainless Steel.
  • Cut length to match the bottom of your boat.

Stainless Clip For Cavitation Hardware - 5/16" Keeper Only
Your Price:
$0.99

Stainless Clip For Cavitation Hardware - 5/16" Keeper Only

500-0485

Stainless Clip For Cavitation Hardware - 5/16" Keeper Only

Pins and clips sold separately


Custom Handcrafted Stainless Fitting 1" NPT To 1-1/4" Straight
Your Price:
$67.99

Stainless Fitting 1" NPT To -16 AN Straight

540-222191

316L Stainless Steel Fitting
1" NPT To -16 AN Straight

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.


Custom Handcrafted Stainless Fitting 1" NPT To 1-1/4" Straight
Your Price:
$95.99

Stainless Fitting 1" NPT To -20 AN Straight

540-222192

316L Stainless Steel Fitting
1" NPT To -20 AN Straight

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.


Custom Handcrafted Stainless Fitting 1" NPT To 1-1/4" Straight
Your Price:
$159.99

Stainless Fitting 1" NPT To -24 AN Straight

540-222193

316L Stainless Steel Fitting
1" NPT To -24 AN Straight

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.


Stainless Fitting 1-1/4 NPT X -20 90 DEG
Your Price:
$159.99

Stainless Fitting 1-1/4 NPT X -20 90 DEG

540-222197

316L Stainless Steel Fitting
1-1/4 NPT X -20 90 DEG

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.


Custom Handcrafted Stainless Fitting 1" NPT To 1-1/4" Straight
Your Price:
$79.99

Stainless Fitting 1-1/4" NPT To -20 AN Straight

540-222194

316L Stainless Steel Fitting
1-1/4" NPT To -20 AN Straight

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.


Stainless Head Mount Ignition System Bracket
Your Price:
$139.99

Stainless Head Mount Ignition System Bracket

620-09004

  • Brushed stainless steel.
  • Mount an MSD, Max Volt or Crane spark box to the top.
  • Has locations for your 50 amp breaker, starter solenoid, and factory Mercury cannon plug.
  • Factory Mercury Cannon Plug can exit from the side or back of the bracket.\
  • Includes Instructions, also available on our website.
  • Supplied with 3/8" mounting hardware for aftermarket or LTE Model BBC Engines
  • Note: May Interfere with Factory Y-Pipe.

Stainless Pins & Retainer Rings - 3/8"
Your Price:
$5.99

Stainless Pins & Retainer Rings - 3/8"

500-0478

Stainless Pins & Retainer Rings - 3/8"


Stainless Steel "Lifetime" Sea Pump Overhaul Kit
Your Price:
$239.99

Stainless Steel "Extreme" Sea Pump Overhaul Kit

625-4178

Stainless Steel "Extreme" Sea Pump Overhaul Kit

Finally a Sea Water Pump repair kit designed to do the job once and for all and will last a lifetime. Hardin Marine has designed an all new 316L stainless steel water pump impeller housing to replace the cheap factory plastic style housings used on original equipment applications. These impeller housings won't corrode, erode, or crack and fall apart like original equipment units. The one piece rear impeller housing features a unique rear housing that has 1" NPT female inlet/outlet ports so that a wide range of fitting and hose connections can be used for ease of installation. If your looking to do this job once and for all this could possible be the last sea water pump repair kit you ever buy look no further as this is the finest direct replacement sea pump repair kit on the market today.

The kit includes:

  • O-rings
  • Impeller
  • Stainless Wear Plates
  • Polished Stainless Steel Sea Pump Body
  • Bolts, Nuts & Washers

This kit replaces:

  • Quicksilver – 46-72744-A32
  • Mercury – 46-807151A14
  • Mercruiser – 46-807151-A2
  • Mercury – 46-807151-A8
  • Mercury – 46-807151-A9
  • Sierra - 18-3150

Note: Requires Fittings. See related items.

See here for individual replacement parts.


Stainless Steel "Soft Touch" Heavy Duty Quick Release Pin Style Fender Cleat
Your Price:
$69.99

Stainless Steel "Soft Touch" Heavy Duty Quick Release Pin Style Fender Cleat

620-142326

Stainless Steel "Soft Touch" Heavy Duty Quick Release Pin Style Fender Cleat

  • Deck hole size: 3/4"
  • Base Diameter: 1-1/2"
  • Pin Size: 1/2"

Take the sting (discomfort really) out of using traditional quick pin fender cleats. Traditional pic cleats have small button in the center that is known to poke in to your thumb while operating them. These new soft touch cleats feature beautifully polished dome shaped top the makes installing/removing your cleats a breeze while providing a finished appearance to their installations. These are the king of quick pin cleats! Made from tough 316L Stainless Steel, these cleats are built to last. Easy single handed operation. Twice the diameter of other brands. Sold each.

*** NOT INTENDED FOR MOORING ***


Stainless Steel "Soft Touch" Quick Release Pin Style Fender Cleat - 5/16
Your Price:
$49.99

Stainless Steel "Soft Touch" Quick Release Pin Style Fender Cleat - 5/16

620-142324

Stainless Steel "Soft Touch" Quick Release Pin Style Fender Cleat

  • Base Diameter: 1"
  • Deck hole size: 5/8"

These Stainless Steel Quick Pin Cleats are show quality. Designed for simple single hand operation will allow you to easily install and remove float style fenders. Installation uses 41/64 drill holes. Sold each.

*** NOT INTENDED FOR MOORING ***


Stainless Steel 1" NPT Male to 3/4" NPT Female Reducer Adapter
Your Price:
$19.99

Stainless Steel 1" NPT Male to 3/4" NPT Female Reducer Adapter

540-100600

Stainless Steel 1" NPT Male to 3/4" NPT Female Reducer Adapter

Need to reduce the size of a fitting with a quality stainless steel reducer? These reducers are the best available!


Stainless Steel 1/2" NPT x 1" Hose Fitting
Your Price:
$12.99

Stainless Steel 1/2" NPT x 1" Hose Fitting

540-222122

Polished Stainless Steel Straight 1/2" 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.


Stainless Steel 1/2" NPT Male To 3/4" Hose Fitting
Your Price:
$21.99

Stainless Steel 1/2" NPT x 3/4" Hose Fitting

540-222107

Stainless Steel Straight 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.


Stainless Steel 1/2" NPT x 5/8" Hose Fitting
Your Price:
$19.99

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

540-222106

Straight 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.


Stainless Steel 1-1/4" NPT Male to 1" NPT Female Reducer Adapter
Your Price:
$38.99

Stainless Steel 1-1/4" NPT Male to 1" NPT Female Reducer Adapter

540-100605

Stainless Steel 1-1/4" NPT Male to 1" NPT Female Reducer Adapter

Need to reduce the size of a fitting with a quality stainless steel reducer? These reducers are the best available!


Stainless Steel 18MM Oxygen Sensor Plug
Your Price:
$23.95

Stainless Steel 18MM Oxygen Sensor Plug

620-50031

Stainless Steel 18MM Oxygen Sensor Plug

This plug only is designed fit popular O2 bungs and ports designed to allow you to cap/plug a oxygen sensor bung  Price does not include bung only plug. Sold Each. 18mm x 1.5

Note: This is a plug only

Stainless Steel 3/4" NPT Male To 1" Hose Fitting
Your Price:
$15.99

Stainless Steel 3/4" NPT x 1" Hose Fitting

540-222110

Straight 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 3/4" NPT Male To 3/4" Hose Fitting
Your Price:
$37.99

Stainless Steel 3/4" NPT x 3/4" Hose Fitting

540-222109

Polished Stainless Steel Straight 3/4" NPT Male To 3/4" 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.


Stainless Steel 33C Cable End Quick Release Ball Joint
Your Price:
$21.99

Stainless Steel 33C Cable End Quick Release Ball Joint

620-31800

Stainless Steel 10-32 (33c) Cable End Quick Release Ball Joint, 1/4-28 Stud Accepts 33C Cable

Stainless Steel -4 AN Bulkhead Thru-Hull Fitting
Your Price:
$59.99

Stainless Steel -4 AN Bulkhead Thru-Hull Fitting

135-1045

-4 AN Stainless Steel Bulkhead Thru-Hull Fitting

This thru-hull with its one-piece construction will not lead as two-piece thru-hulls are prone to do. It gives a finely finished look to any installation. This bulkhead fitting has a 1/8" NPT internal female thread and the external bulkhead thread area is  2-1/2" long.