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Hardin Marine

1-3/8" Filtered Breather w/Shield
Your Price:
$21.99

1-3/8" Filtered Breather w/Shield

620-70155

1-3/8" Filtered Breather w/Shield (each)

Hardin’s breathers feature maximum flow and protection from airborne elements. They are used on most Hardin Marine valve cover systems. These breathers are easily washable for service.


13-3/4" Linosa Silver Steering Wheel
Your Price:
$229.99

13-3/4" Linosa Silver Steering Wheel

137-9601

  • Silver wheel, with polished accents.
  • 13-3/4" wheel.
  • 6-bolt pattern.
  • This wheel includes a basic hub for 3/4" tapered shaft.
  • Made in Italy

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


140 Degree Brass Hi-flow Marine Thermostat
Your Price:
$39.99

140 Degree Brass Hi-flow Marine Thermostat

540-160106

140 Degree Brass Hi-flow Marine Thermostat

These hi-flow brass marine thermostats feature air relief ports. This enables relief of the steam pockets caused by cold water entering a heated engine block. Their hi-flow design helps to maintain a constant operating temperature. Don't trust your engine to anything less!


15 Plate Billet Oil Cooler Cover Port Side
Your Price:
$329.99

15 Plate Billet Oil Cooler Cover Port Side

755-8036

15 Plate Billet Oil Cooler Cover, Port Side For KE or Mercury Flywheel Housing

These oil cooler covers are required for use when a plate style oil cooler is used with a Hardin Marine or Mercury Racing flywheel housing. We offer multiple styles in both cast 356-T6 aluminum or 6061-T6 billet aluminum. Each cover is hard anodized for corrosion resistance.

All of our bravo box style coolers an d remote style boxed coolers use a replacement gasket part #625-8017


13 Plate Billet Aluminum (6061-T6) Oil Cooler Cover, Starboard Side
Your Price:
$329.99

15 Plate Cast Aluminum Oil Cooler Cover, Starboard Side

755-8038

Oil Cooler Cover - 15 Plate Cast Aluminum Oil Cooler Cover, Starboard Side For KE or Mercury Flywheel Housing

These oil cooler covers are required for use when a plate style oil cooler is used with a Mercury Racing flywheel housing. Each cover is hard anodized for corrosion resistance.

All of our bravo box style coolers an d remote style boxed coolers use a replacement gasket part #625-8018


15 Plate Stainless Steel Oil Cooler Kit (Port)
Your Price:
$869.99

15 Plate Stainless Steel Oil Cooler Kit (Port)

755-8029

15 Plate Stainless Steel Oil Cooler with Billet Aluminum Mercury Style Cover (Port)

These oil coolers, covers, and kits are required for use when a plate style oil cooler is used with a Hardin Marine or Mercury Racing flywheel housing. We offer multiple styles in both cast 356-T6 aluminum or 6061-T6 billet aluminum. Each cover is hard anodized for corrosion resistance.

Once again these kits are designed for your ordering convenience. Each kit consists of a single oil cooler over plate, choice of stainless steel oil cooler, billet jam nuts, bolts and gaskets.

All of our bravo box style coolers an d remote style boxed coolers use a replacement gasket part #625-8017


15 Plate Stainless Steel Oil Cooler Kit (Starboard)
Your Price:
$869.99

15 Plate Stainless Steel Oil Cooler Kit (Starboard)

755-8039

15 Plate Stainless Steel Oil Cooler with Cast Aluminum Mercury Style Cover (Starboard)

These oil coolers, covers, and kits are required for use when a plate style oil cooler is used with a Hardin Marine or Mercury Racing flywheel housing. We offer multiple styles in both cast 356-T6 aluminum or 6061-T6 billet aluminum. Each cover is hard anodized for corrosion resistance.

Once again these kits are designed for your ordering convenience. Each kit consists of a single oil cooler over plate, choice of stainless steel oil cooler, billet jam nuts, bolts and gaskets.

All of our bravo box style coolers an d remote style boxed coolers use a replacement gasket part #625-8018


15 Plate Stainless Steel Xtreme Duty Multi-Plate Oil Cooler
Your Price:
$439.99

15 Plate Stainless Steel Xtreme Duty Multi-Plate Oil Cooler

625-8014

15 Plate Stainless Steel Xtreme Duty Multi-Plate Oil Cooler

Our parallel multi-plate stainless steel oil coolers are the very best cooler available on the market today. Plate style coolers are unmatched in heat transfer providing maximum temperature reduction consistently while offering little to no pressure drop associated in other designs. The stainless construction offers superb corrosion resistance.


15.5" High Performance Model MH150S Trim Tab Kit

Starting From:
$3,499.99
This Part has options, please click the button below to order.

15.5" High Performance Model MH150S Trim Tab Kit

137-8105 + Option(s)

  • Made from high strength 535 Aluminum Magnesium alloy.
  • All 316 Stainless Steel hardware.
  • 1-1/2" Piston bore.
  • Two way hydraulics for improved performance.
  • Zinc Anodes to prevent corrosion.
  • Includes trim pumps and bulkhead brackets.
  • Include Trim Hoses.
  • Includes Trim Switch Panel.
  • For 20-30 Ft. Boat Lengths
  • Includes installation hardware for a 33c cable, for mechanical trim indicator systems.
  • Black Standard Color
  • Custom Colors Available may take up to 6 weeks (Call for options or colors not shown)

15.5" High Performance Model MH150S Trim Tab Kit w/Electronic Sensors

Starting From:
$3,999.99
This Part has options, please click the button below to order.

15.5" High Performance Model MH150S Trim Tab Kit w/Electronic Sensors

137-8107 + Option(s)

  • Made from high strength 535 Aluminum Magnesium alloy.
  • All 316 Stainless Steel hardware.
  • 1-1/2" Piston bore.
  • Two way hydraulics for improved performance.
  • Zinc Anodes to prevent corrosion.
  • Includes Electronic Sensors for the Mayfair LED Trim Indicator Systems
  • Includes trim pumps and bulkhead brackets.
  • Include Trim Hoses.
  • Includes Trim Switch Panel.
  • For 20-30 Ft. Boat Lengths
  • Black Standard Color
  • Custom Colors Available may take up to 6 weeks (Call for options or color choices not shown)
  • NOTE: In order to complete this system to your Garmin, or other Smartcraft / NMEA2000 compatible screen you must purchase the 137-8659 adapter box.
  • NOTE: If not using a Smartcraft / NMEA2000 type screen display above, you must purchase a corresponding Mayfair Indicator System to display the position readout from your trim tabs.

15.5" High Performance Model MH150S Trim Tabs

Starting From:
$2,999.99
This Part has options, please click the button below to order.

15.5" High Performance Model MH150S Trim Tabs

137-8164 + Option(s)

  • Made from high strength 535 Aluminum Magnesium alloy.
  • All 316 Stainless Steel hardware.
  • 1-1/2" Piston bore.
  • Two way hydraulics for improved performance.
  • Zinc Anodes to prevent corrosion.
  • For 20-30 Ft. Boat Lengths
  • Includes installation hardware for a 33c cable, for mechanical trim indicator systems.
  • Black Standard Color
  • Custom Colors Available may take up to 2 weeks (Call for options)

15.5" High Performance Model MH150S Trim Tabs w/Electronic Sensors

Starting From:
$3,499.99
This Part has options, please click the button below to order.

15.5" High Performance Model MH150S Trim Tabs w/Electronic Sensors

137-8165 + Option(s)

  • Made from high strength 535 Aluminum Magnesium alloy.
  • All 316 Stainless Steel hardware.
  • Includes Electronic Sensors for the Mayfair LED Trim Indicator Systems
  • 1-1/2" Piston bore.
  • Two way hydraulics for improved performance.
  • Zinc Anodes to prevent corrosion.
  • For 20-30 Ft. Boat Lengths
  • Black Standard Color
  • Custom Colors Available may take up to 2 weeks (Call for options)
  • NOTE: In order to complete this system to your Garmin, or other Smartcraft / NMEA2000 compatible screen you must purchase the 137-8659 adapter box.
  • NOTE: If not using a Smartcraft / NMEA2000 type screen display above, you must purchase a corresponding Mayfair Indicator System to display the position readout from your trim tabs.

Lower Trim Tab Plate

Your Price:
$622.99

15.5" Lower Trim Tab Plate - Gen 2 Mayfair Trim Tabs

137-8146 + Option(s)

15.5" Lower Trim Tab Plate for Gen 2 Mayfair Trim Tabs (2) required per kit.

160 Degree Brass Hi-flow Marine Thermostat
Your Price:
$32.99

160 Degree Brass Hi-flow Marine Thermostat

540-160101

160 Degree Brass Hi-flow Marine Thermostat

These hi-flow brass marine thermostats feature air relief ports. Thisenables relief of the steam pockets caused by cold water entering a heatedengine block. Their hi-flow design helps to maintain a constant operatingtemperature. Don't trust your engine to anything less!


168 Tooth Flywheel Ring Gear with Tabs
Your Price:
$120.00

168 Tooth Flywheel Ring Gear with Tabs

755-8600

Replacement 168 tooth ring gear for flywheels.

NOTE: This ring gear is designed to replace broken ring gears on flywheels we offer only. If your are not sure please call us to confirm fit.

18" Stroke Super Duty Hydro-Hatch Lift, 500 Pound Moving Capacity
Your Price:
$629.99

18" Stroke Super Duty Hydro-Hatch Lift, 500 Pound Moving Capacity

620-921018

  • Marine grade stainless steel & aluminum construction
  • 12 DC sealed electric motors, 2-wire simple hook-ups
  • Compact Size, Light Weight, for Maximum Lifting Capacity
  • Two Standard Length Cylinders with Simple Pin Mounts
  • Heavy Duty Aluminum Clevis Mounts for Hatch and Stringer
  • Smooth Quiet Responsive Hydraulic Action with No-Coasting
  • Moving Capacity 500 lbs. on horizontal surface. Will lift 250lb hatch when mounted vertically.
  • 1” Cylinder. 
  • System is virtually maintenance free
  • Operating Temperatures 10 to 165 Degrees F
  • System can Operate with Environmentally Responsible Fluid
  • 18" Model  Dimensions: 26” Retracted Length, 44” Extended Length.
  • NOTE: The 620-920016 is only bracket kit that will work with this ram. Most Brackets, pins and accelerators sold separately in the section WILL NOT WORK with this actuator. 

180 Degree Brass Hi-flow Marine Thermostat
Your Price:
$24.99

180 Degree Brass Hi-flow Marine Thermostat

540-160108

180 Degree Brass Hi-flow Marine Thermostat

These hi-flow brass marine thermostats feature air relief ports. Thisenables relief of the steam pockets caused by cold water entering a heatedengine block. Their hi-flow design helps to maintain a constant operatingtemperature. Don't trust your engine to anything less!


1-Piece Gen 4 Oil Pan Gasket
Your Price:
$54.99

1-Piece Gen 4 Oil Pan Gasket

300-17987

1-Piece Gen 4 Oil Pan Gasket- Sold Each

At last the ultimate oil pan gasket is available to match the ultimate oil pan. This one-piece design provides a superior seal with no chance of leaking seams and easy installation. Each gasket utilizes torque limiters to prevent over tightening and each gasket is notched for "stroker" clearance. Designed to seal under extreme crankcase pressure and scorching oil temperature.

Sold Each


1-Piece Gen 5 & 6 Oil Pan Gasket
Your Price:
$49.99

1-Piece Gen 5 & 6 Oil Pan Gasket

300-17986

1-Piece Gen 5 & 6 Oil Pan Gasket- Sold Each

At last the ultimate oil pan gasket is available to match the ultimate oil pan. This one-piece design provides a superior seal with no chance of leaking seams and easy installation. Each gasket utilizes torque limiters to prevent over tightening. Designed to seal under extreme crankcase pressure and scorching oil temperature.

Sold Each


1-Piece LS Oil Pan Gasket
Your Price:
$49.99

1-Piece LS Oil Pan Gasket

300-17972

1-Piece LS Oil Pan Gasket- Sold Each

At last the ultimate oil pan gasket is available to match the ultimate oil pan. This one-piece design provides a superior seal with no chance of leaking seams and easy installation. Each gasket utilizes torque limiters to prevent over tightening and each gasket is notched for "stroker" clearance. Designed to seal under extreme crankcase pressure and scorching oil temperature.

Sold Each


2 Groove "V" Pulley Adaptor
Your Price:
$143.99

2 Groove "V" Pulley Adaptor

129-527

2 Groove "V" Pulley Adaptor, Fits Big Block Chevy

These popular billet v-groove pulleys are designed to aid in driving multiple engine accessories like power steering, alternator, sea pump, etc.


2 Stage Aluminum  Sea Pump
Your Price:
$820.00

2 Stage Aluminum Sea Pump

625-4920

2 Stage Aluminum Sea Pump 

The dual stage Extreme Sea Pump is the next step in our line of high performance, high volume raw water pumps. Incorporating two individual impellers this pump will double the volume of water delivered to your engine or give you the choice of separate routing to individual engine components.

Dual stage pumps are commonly found on high horsepower pleasure boat applications where a dual independent water pump for an an intercooler, exhaust system or oil cooler is advantageous.

Available in either: Billet Aluminum or Stainless Steel, this dual stage sea pump is the key to solving over heating problems.


2 Stage Aluminum  Sea Pump with 1 Groove Pulley, 1-1/4” NPT Center Inlet & Dual 1” NPT Outlets
Your Price:
$1,079.99

2 Stage Aluminum Sea Pump with 1 Groove Pulley, 1-1/4" NPT Center Inlet & Dual 1" NPT Outlets

625-4922

2 Stage Aluminum Sea Pump with 1 Groove Pulley, 1-1/4” NPT Center Inlet & Dual 1” NPT Outlets

The dual stage Extreme Sea Pump is the next step in our line of high performance, high volume raw water pumps. Incorporating two individual impellers this pump will double the volume of water delivered to your engine or give you the choice of separate routing to individual engine components. Dual stage pumps are commonly found on high horsepower pleasure boat applications where a dual independent water pump for an an intercooler, exhaust system or oil coolers is advantageous.

Available in either: Billet Aluminum or Stainless Steel, this dual stage sea pump is the key to solving over heating problems.


2 Stage Aluminum  Sea Pump with 2 Groove Pulley, 1-1/4” NPT Center Inlet & Dual 1” NPT Outlets
Your Price:
$1,099.99

2 Stage Aluminum Sea Pump with 2 Groove Pulley, 1-1/4" NPT Center Inlet & Dual 1" NPT Outlets

625-4932

2 Stage Aluminum Sea Pump with 2 Groove Pulley, 1-1/4” NPT Center Inlet & Dual 1” NPT Outlets

The dual stage Extreme Sea Pump is the next step in our line of high performance, high volume raw water pumps. Incorporating two individual impellers this pump will double the volume of water delivered to your engine or give you the choice of separate routing to individual engine components. Dual stage pumps are commonly found on high horsepower pleasure boat applications where a dual independent water pump for an an intercooler, exhaust system or oil coolers is advantageous.

Available in either: Billet Aluminum or Stainless Steel, this dual stage sea pump is the key to solving over heating problems.


2 Stage Aluminum  Sea Pump wit h1 Groove Pulley, 1-1/4” NPT Center Inlet/Outlet
Your Price:
$1,139.99

2 Stage Aluminum Sea Pump with 1 Groove Pulley, 1-1/4" NPT Center Inlet/Outlet

625-4921

2 Stage Aluminum Sea Pump wit h1 Groove Pulley, 1-1/4” NPT Center Inlet/Outlet

The dual stage Extreme Sea Pump is the next step in our line of high performance, high volume raw water pumps. Incorporating two individual impellers this pump will double the volume of water delivered to your engine or give you the choice of separate routing to individual engine components. Dual stage pumps are commonly found on high horsepower pleasure boat applications where a dual independent water pump for an an intercooler, exhaust system or oil coolers is advantageous.

Available in either: Billet Aluminum or Stainless Steel, this dual stage sea pump is the key to solving over heating problems.


2 Stage Aluminum  Sea Pump with 2 Groove Pulley, 1-1/4” NPT Center Inlet/Outlet
Your Price:
$1,159.99

2 Stage Aluminum Sea Pump with 2 Groove Pulley, 1-1/4" NPT Center Inlet/Outlet

625-4931

2 Stage Aluminum Sea Pump with 2 Groove Pulley, 1-1/4” NPT Center Inlet/Outlet

The dual stage Extreme Sea Pump is the next step in our line of high performance, high volume raw water pumps. Incorporating two individual impellers this pump will double the volume of water delivered to your engine or give you the choice of separate routing to individual engine components. Dual stage pumps are commonly found on high horsepower pleasure boat applications where a dual independent water pump for an an intercooler, exhaust system or oil coolers is advantageous.

Available in either: Billet Aluminum or Stainless Steel, this dual stage sea pump is the key to solving over heating problems.


2 Stage Stainless Rear Cap / Bearing Upgrade
Your Price:
$295.99

2 Stage Generation 2 Front Pump Housing with Shaft, Bearings and Seals

625-4226

2 Stage Generation 2 Front Pump Housing with Shaft, Bearings and Seals

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