Hardin Marine

This optional service can be added as an option to any new Intake Manifold purchase. The hard coat anodize protects the intake from corrosion. Note: This option is custom done to order and has a 3-4 week lead time

Hardin / Gil HP Air Sound Select Polished Tailpipe Conversion Kit - Standard Bravo Dimensions

This all new air sound select pipe is based on the popular wet offshore system.  By incorporating the popular sound select into the 1-piece tailpipe system while using air activation, you now have the best of both worlds in a beautifully styled riser package.  These tailpipes are only sold as a complete kit with air pump, hose, and fittings to make for a simple installation.  All hardware is included.  Sold in pairs. Built to Order with 4-6 week build time.

Additional Information:

• Standard Alpha/Bravo Exhaust Hole Locations
• Custom Measurement Instructions

Gil / Hardin Replacement Lid Assembly, 3/8" Stud

This is a 3/8" hole replacement Complete Sea Strainer Lid Assembly. This clear-view lid allows unrestricted visual inspection. Designed to fit Gil Generation 2 (Single Knob) and Hardin Offshore Generation 1 Sea Strainers.

O- ring for the lid is included

Hardin 525/700 Dual Stage Master Rebuild Kit. This kit is designed to used on pump 625-4176 only.

Hardin BBC Pyramid 2-Piece Valve Cover Accessories - Large O-Ring (for replacement between valve covers)

These are replacement O-Rings for the Hardin Marine Pyramid 2 Piece Valve Covers. Sold Each.

Replacement Ram only for Hardin Marine Diverter Systems

Hardin Drop Style Mounting Feet (sold in pairs)

These are replacement mount feet for Hardin and Glenwood mounts. Glenwood has a smooth back and Hardin has a raised half moon on back. There is a 4" drop from the top of the mount to the middle groove on the mount.

Hardin Dual Stage Gen. 1 Sea Pump Master Rebuild Kit

Replace all the bearings, seals, o-rings, clips, wear plates and impellers on your Hardin Dual Stage Sea Pump.

Gen. 1 Pumps have Black, Hardcoated, Billet Aluminum Rear Covers.
Gen. 2 Pumps have Polished, Cast Stainless Steel Rear Covers with a bolt in the center. The name Hardin Marine is cast into the cover.

Hardin Dual Stage Gen. 2 Sea Pump Master Rebuild Kit

Replace all the bearings, seals, o-rings, clips, wear plates and impellers on your Hardin Dual Stage Sea Pump.

Gen. 1 Pumps have Black, Hardcoated, Billet Aluminum Rear Covers.
Gen. 2 Pumps have Polished, Cast Stainless Steel Rear Covers with a bolt in the center. The name Hardin Marine is cast into the cover.

Gil /Hardin Electrical/Shift Cable Bracket for Mercury (Fits Both)

These brackets are the same units included in our popular Gil Exhaust Kits and provide easy installation of our factory accessories. Bolt center to center is 4-1/4"

Hardin Gen 2 Offshore Sea Strainer Replacement Lid Assembly, 1/2" Stud

This is a 1/2" hole replacement Complete Sea Strainer Lid Assembly. This clear-view lid allows unrestricted visual inspection. Designed to fit Hardin Offshore Generation 2 Sea Strainers with 1/2" studs.

Master Rebuild Service Kit - For Gen. 4 Hardin Stainless Pumps with Plastic Rear Body - Mercury Replacement

This master kit is a rebuild service kit for the Hardin Marine stainless pump 625-4111. This kit comes with new wear plates , O-rings, seals, impeller, rear housing and retaining clip.

Master Rebuild Service Kit - For Gen. 5/6 Hardin Stainless Pumps - Mercury Replacement

This master kit is a rebuild service kit for the Hardin Marine stainless pump 625-4118. This kit comes with new wear plates , O-rings, seals, impeller and retaining clip.

Master Rebuild Service Kit - For Gen. 5/6 Hardin Stainless Pumps with Plastic Rear Body - Mercury Replacement

This master kit is a rebuild service kit for the Hardin Marine stainless pump 625-4118. This kit comes with new wear plates , O-rings, seals, impeller, rear housing and retaining clip.

Replacement internal wear plate for Hardin Gen 7 and 8 Sea Pumps. NOTE: Will NOT replace factory Mercury parts as the Hardin Pump design was reconfigured to fit an additional wear plate. Can only be used on Hardin pumps 625-4102,  625-4101 and 625-4122.

Replacement bearing for Hardin Gen 7 Sea Pumps. NOTE: Will NOT replace factory Mercury bearings as the Hardin Pump design was reconfigured to fit an additional wear plate. Can only be used on Hardin pumps 625-4102 and 625-4101.

Replacement o-ring for Hardin Gen 7 Sea Pumps. NOTE: Will NOT replace factory Mercury parts as the Hardin Pump design was reconfigured to fit an additional wear plate. Can only be used on Hardin pumps 625-4102 and 625-4101. 

Replacement Pulley Mandrel only for Hardin Gen 7 Sea Pumps. NOTE: Will only work with Hardin pulley #625-4262. Can only be used on Hardin pumps 625-4102 and 625-4101. Inside Diameter 0.745"

Replacement 5.5" Pulley only for Hardin Gen 7 Sea Pumps. NOTE: Will only replace factory 5.5" Mercury pulleys and requires mandrel #625-4263. Can only be used on Hardin pumps 625-4102 and 625-4101.

Replacement rear wear plate for Hardin Gen 7 Sea Pumps. NOTE: Will NOT replace factory Mercury parts as the Hardin Pump design was reconfigured to fit an additional wear plate. Can only be used on Hardin pumps 625-4102 and 625-4101.

Replacement seal for Hardin Gen 7 Sea Pumps. NOTE: Will NOT replace factory Mercury parts as the Hardin Pump design was reconfigured to fit an additional wear plate. Can only be used on Hardin pumps 625-4102 and 625-4101.

Replacement small snap ring for Hardin Gen 7 Sea Pumps. NOTE: Will NOT replace factory Mercury parts as the Hardin Pump design was reconfigured to fit an additional wear plate. Can only be used on Hardin pumps 625-4102 and 625-4101. 2 needed per pump.

Replacement snap ring for Hardin Gen 7 Sea Pumps. NOTE: Will NOT replace factory Mercury parts as the Hardin Pump design was reconfigured to fit an additional wear plate. Can only be used on Hardin pumps 625-4102 and 625-4101.

Master Rebuild Service Kit - For Gen. 4, Rev. 1 Hardin Stainless Pumps - Mercury Replacement

This master kit is a rebuild service kit for the Hardin Marine stainless pump 625-4110. This kit comes with new wear plates , O-rings, seals, impeller and retaining clip.

Which Rebuild kit do I need?

Gen. 4, Rev. 1 pumps have a 1/8" drain plug in the rear housing and a slotted front wear plate.
Gen. 4, Rev. 2 pumps have no drain plug and a solid front wear plate.

Master Rebuild Service Kit - For Gen. 4, Rev. 2 Hardin Stainless Pumps - Mercury Replacement

This master kit is a rebuild service kit for the Hardin Marine stainless impeller housing 625-4178 and stainless pump 625-4110 . This kit comes with new wear plates , O-rings, seals, impeller and retaining clip.

Which Rebuild kit do I need?

Gen. 4, Rev. 1 pumps have a 1/8" drain plug in the rear housing and a slotted front wear plate.
Gen. 4, Rev. 2 pumps have no drain plug and a solid front wear plate.

Hardin Manifold to Riser Gasket, Replaces Mercury OEM# 27-848147

Fits: BBC, SBC and Ford manifolds as well. For Gil Replacement, Mercury HP500 and Cyclone Manifold applications.

Original quality Hardin gaskets are the finest anywhere Their graphite impregnated core assures long life. Depending on application up to 2 or 4 may be required on a single engine. When using a turbolator (See related parts) 4 are required.

Hardin Manifold to Riser Gasket for Big Gun Manifolds

Original quality Hardin gaskets are the finest anywhere Their graphite impregnated core assures long life.