Hardin Marine

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.

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.

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.

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.

• 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"

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

• 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

• 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

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

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.

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.

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

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

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.

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.

-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.

-6 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 1/4" NPT internal female thread and is 3-1/2" long

Stainless Steel Air Vents

These stainless steel vents provide great airflow and long life with all 304 stainless steel construction. Available in four different sizes to fit practically any boat.  Dimensions below are overall size.

Stainless Steel Allen Head Bolt Kit For Hardin Xtreme Series Valve Covers

Stainless Steel Bolt Kits - S/B Chevy Oil Pan Bolt Kit
We offer a full selection of manifold bolt kits to fit most popular marine engines.  These kits come complete with the correct number of bolts and stainless steel washers. 

Stainless Steel Bolt Kits - S/B Chevy Steel Valve Cover Bolt Kit
We offer a full selection of manifold bolt kits to fit most popular marine engines.  These kits come complete with the corre

Stainless Steel Bolt Kits - S/B Chevy Valve Cover Bolt Kit (Pre-87)
We offer a full selection of manifold bolt kits to fit most popular marine engines.  These kits come complete with the correct num

Stainless Steel Bolt Spacers

These beautiful finished CNC machined spacers are custom made in various sizes to accommodate many applications.