Hardin Marine

Fuel Line And Regulator Kit - Dominator Fuel Lines Only
Your Price:
$62.99

Fuel Line And Regulator Kit - Dominator Fuel Lines Only

555-BO-1686

Fuel Line And Regulator Kit - Dominator Fuel Lines Only

-6 Size

Here's an all NEW line and regulator kit that solves the age old problem of how to mount the regulator close to the carburetor. Precision bent stainless fuel line with all the necessary connection fittings make this the ultimate single carbureted fuel delivery system. Designed to work with the 715-13201 Aeromotive Regulator, see related parts.


Fuel Line And Regulator Kit For 4150 Style Holley
Your Price:
$199.99

Fuel Line And Regulator Kit For 4150 Style Holley

555-BO-1681

Fuel Line And Regulator Kit For 4150 Style Holley

Here's an all NEW line and regulator kit that solves the age old problem ofhow to mount the regulator close to the carburetor. Precision bentstainless fuel line with all the necessary connection fittings make this theultimate single carbureted fuel delivery system. Regulator has -6 ORB fitting.


Fuel Line And Regulator Kit For 4500 Dominator
Your Price:
$199.99

Fuel Line And Regulator Kit For 4500 Dominator

555-BO-1687

Fuel Line And Regulator Kit For 4500 Dominator

Here's an all NEW line and regulator kit that solves the age old problem ofhow to mount the regulator close to the carburetor. Precision bentstainless fuel line with all the necessary connection fittings make this theultimate single carbureted fuel delivery system.


Fuel Line And Regulator Kit For Mechanical Secondary Demon Carburetors
Your Price:
$199.99

Fuel Line And Regulator Kit For Mechanical Secondary Demon Carburetors

555-BO-1683

Fuel Line And Regulator Kit For Mechanical Secondary Demon Carburetors

Here's an all NEW line and regulator kit that solves the age old problem ofhow to mount the regulator close to the carburetor. Precision bentstainless fuel line with all the necessary connection fittings make this theultimate single carbureted fuel delivery system. Regulator has -6 ORB fitting


Fuel Line Return To Tank Adapter
Your Price:
$43.99

Fuel Line Return To Tank Adapter

620-76301

Fuel Line Return To Tank Adapter - 1-1/2" O.D With 3/8" NPT Female Pipe Connection

These stainless steel fuel return adapters are perfect for an EFI conversion or any high output return style fuel system. These allow you to simply remove a small section of your 1-1/2" fuel fill hose and clamp the adapter in place - no welding required. 4" long.


Fuel Line Return To Tank Adapter
Your Price:
$41.99

Fuel Line Return To Tank Adapter

620-76300

Fuel Line Return To Tank Adapter - 2" O.D With 3/8" NPT Female Pipe Connection

These stainless steel fuel return adapters are perfect for an EFI conversion or any high output return style fuel system. These allow you to simply remove a small section of your 2" fuel fill hose and clamp the adapter in place - no welding required. 4" Long.


Fuel Lines Only for 4150 Style Holley
Your Price:
$69.99

Fuel Lines Only for 4150 Style Holley

555-BO-1682

Fuel Lines Only for 4150 Style Holley (Regulator Not Included)

Here's an all NEW line and regulator kit that solves the age old problem of how to mount the regulator close to the carburetor. Precision bent stainless fuel line with all the necessary connection fittings make this the ultimate single carbureted fuel delivery system. Designed to work with the 715-13201 Aeromotive Regulator, see related parts.


Fuel Lines Only for Mechanical Secondary Demon Carburetors
Your Price:
$69.99

Fuel Lines Only for Mechanical Secondary Demon Carburetors

555-BO-1684

Fuel Lines Only for Mechanical Secondary Demon Carburetors (Regulator Not Included)

Here's an all NEW line and regulator kit that solves the age old problem of how to mount the regulator close to the carburetor. Precision bent stainless fuel line with all the necessary connection fittings make this the ultimate single carbureted fuel delivery system. Designed to work with the 715-13201 Aeromotive Regulator, see related parts.


Fuel Log
Your Price:
$99.99

Fuel Log

620-12420

Fuel Log

Often plumbing a fuel system becomes one of the most cumbersome experiences due to the mounting of the fuel regulators. This competition designed fuel log solves all of those problems. The Billet fuel log is machined with a 1/2”npt inlet so that it can be threaded in to a high volume 6 valve style of fuel pump..Next dual 3/8”npt outlet ports allow for easy mounting of Holley style fuel regulators while also providing optional fuel return and pressure ports.

Fuel Log
Your Price:
$189.99

Fuel Log with Regulators

620-12425

Fuel Log with Regulators

Often plumbing a fuel system becomes one of the most cumbersome experiences due to the mounting of the fuel regulators. This competition designed fuel log solves all of those problems. The Billet fuel log is machined with a 1/2”npt inlet so that it can be threaded in to a high volume 6 valve style of fuel pump. Next dual 3/8”npt outlet ports allow for easy mounting of Holley style fuel regulators while also providing optional fuel return and pressure ports.

Fuel Pressure 2-1/16" Gauge 0-15 PSI - Old Style
Starting From:
$25.00

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

Fuel Pressure 2-1/16" Gauge 0-15 PSI - Old Style

MULTIPLE PART NUMBER OPTIONS. CLICK PART OPTIONS FOR MORE INFO ->

  • Handmade, hand calibrated, tested for accuracy
  • Bold, clear dials, white back light, and a red needle
  • Non-corrosive hardware
  • Gasket sealed lens and bezel to prevent fogging
  • Plastic body Domelux Technology Lens
  • White back light
  • Senders sold separately
  • 2 1/16 hole size, Outer diameter 2 5/16
  • Not Designed to be used with Diesel Engines.

Need help measuring your gauges so you know what to look for when you finally upgrade to a more polished set? Check out this handy tutorial!


Fuel Pressure Sender 0-15 PSI
Your Price:
$69.99

Fuel Pressure Sender 0-15 PSI

105-25480

Fuel Pressure Sender 0-15 PSI for Old Style (Pre-2018) Hardin Gauges


Fuel Pressure Sender 0-60 PSI
Your Price:
$53.99

Fuel Pressure Sender 0-60 PSI

105-25490

Fuel Pressure Sender 0-60 PSI for Old Style (Pre-2018) Hardin Gauges


Fuel Pump Relay Kit
Your Price:
$54.29

Fuel Pump Relay Kit

620-8975

Fuel Pump Relay Kit

This Hardin Marine kit is intended primarily for those application running an electric fuel pump. The long wire runs in these kinds of installations can sometimes result in a voltage drop at the electric pump. Installation of this kit is good insurance that the fuel pump will be receiving full voltage from the battery.

Features:

  • Can be used with any electric fuel pump, as long as the current load is not above 30 amps
  • 30 amp relay is included with a relay socket wired with long leads specifically designed to reduce the number of splices required
  • Quality insulated crimp connectors are provided to make the necessary splices, where required.
The units are for competition use and are not USCG approved.
  • Detailed instruction included

Fuel Pump Safety Switch
Your Price:
$36.21

Fuel Pump Safety Switch

620-12400

Fuel Pump Safety Switch

This fuel pump safety switch is designed to shut off your electric fuel pump when the engine oil pressure drops below 15 lbs.  It can easily be "Tee'd" into the oil pressure ending unit off the block.  Designed for 12Volt systems.


Fuel Sender Gasket
Your Price:
$6.99

Fuel Sender Gasket

105-91385

Fuel Sender Gasket

  • ID: 1.50"
  • OD: 2.70"

Replacement Gasket For Use With: 2-Wire, 3-Wire and Adjustable Fuel Level Senders


Full Time Inline Silencers - 3"
Your Price:
$199.99

Full Time Inline Silencers - 3" Inlet / Outlet

410-285300

Full Time Inline Silencers - 3"

These full time in-line silencers are perfect for almost any application. They simply splice into your existing exhaust hose without any additional modifications. Their 100% stainless steel construction makes them a perfect replacement for fiberglass-style mufflers This model accepts a 3" hose connection and is 10" long. Center section has 4" diameter. 8-10 decibel reduction. Sold in pairs.


Full Time Inline Silencers - 3-1/2"
Your Price:
$199.99

Full Time Inline Silencers - 3-1/2"

410-285350

Full Time Inline Silencers - 3-1/2"

These full time in-line silencers are perfect for almost any application. They simply splice into your existing exhaust hose without any additional modifications. Their 100% stainless steel construction makes them a perfect replacement for fiberglass-style mufflers This model accepts a 3-1/2" hose connection and is 10" long. 8-10 decibel reduction. These silencers are rated up to 425HP. Sold in pairs. For Wet Exhaust.


Full Time Inline Silencers - 4"
Your Price:
$149.99

Full Time Inline Silencers - 4"

410-285400

Full Time Inline Silencers - 4"

These full time in-line silencers are perfect for almost any application. They simply splice into your existing exhaust hose without any additional modifications. Their 100% stainless steel construction makes them a perfect replacement for fiberglass-style mufflers This model accepts a 4" hose connection and is 5" long. Sold in pairs. These silencers are rated up to 425HP without any HP loss.


Gen 1 Trim Tab Ram Rebuild Kit
Your Price:
$289.99

Gen 1 Trim Tab Ram Rebuild Kit

137-8118

These are rebuild kits for #137-8000 trim rams.

  1. 137-8008, GLAND, FRONT - 5/8 SHAFT, 1
  2. 137-8009 ,PISTON, TRIM RAM, 1
  3. 137-8128, SEAL, WIPER - TRIM RAM, 1
  4. 625-1114, O-RING, 3
  5. 625-1135, O-RING, 1
  6. 625-1325, O-RING, 1

Trim Tab Lower Pin Assembly
Your Price:
$144.99

Gen 2 Lower Trim Ram Pin with Actuator Assembly

137-8147

    Kit Includes:
  • 2 Nuts and washers
  • 1 Trim Ram Pin with Actuator provision
  • 1 Trim Table Cable End with nut and washer
  • 4 Bushings
  • 2 Spacers

Gen 2 Trim Tab Ram Rebuild Kit
Your Price:
$289.99

Gen 2 Trim Tab Ram Rebuild Kit

137-8119

These are rebuild kits for #137-8005 trim rams.

  1. 137-8013, GLAND, HD TRIM RAM, 1
  2. 137-8014, PISTON, HD TRIM RAM, 1
  3. 137-8129, SEAL, WIPER - HD TRIM RAM, 1
  4. 625-1116, O-RING, 3
  5. 625-1135, O-RING, 1
  6. 625-1325, O-RING, 1

Trim Tab Lower Pin Assembly
Your Price:
$99.99

Gen 2 Upper Trim Ram Pin Assembly

137-8149

This kit includes one  trim tab pin, two nuts, two washers, two bushings and two upper trim ram spacers.

Gen 4 Stainless Steel Pump And Bracket Mercury Sea Pump Assembly - Serpentine
Your Price:
$639.99

Gen 4 SS Pump And Bracket Mercury Sea Pump Assembly - Serpentine - BBC

625-4103

Gen 4 Stainless Steel Pump And Bracket Mercury Sea Pump Assembly Serpentine - BBC

These are new Stainless Steel replacement sea pumps. We have configured options so that you may buy just a replacement pump only or bracket only or even an entire replacement pump assembly including the mounting bracket, Serpentine pulley and mandrel. This model include a beautifully polished billet bracket and Serpentine Pulley and Mandrel.

NOTE: Billet bracket cannot be used in Circ Pump applications!


Gen 4 Stainless Steel Mercury Pump Complete Assembly
Your Price:
$584.99

Gen 4 Stainless Steel Mercury Pump Complete Assembly - BBC Applications

625-4109

New Gen 4 Stainless Steel Mercury Pump Assembly with Stamped Steel Bracket & Billet V-Groove Pulley - BBC Applications

These are new Stainless Steel replacement sea pumps. We have configured options so that you may buy just a replacement pump only or bracket only or even an entire replacement pump assembly including the mounting bracket, V-groove pulley and mandrel.


Gen 5/6 Sea Pump Vent Equalizer
Your Price:
$39.99

Gen 5/6 Sea Pump Vent Equalizer

625-4221

Gen 5/6 Sea Pump Vent Equalizer

This kit is designed to allow venting of pressure build up inside the Sea Pump housing that could create premature failure to be released through the existing fuel pump vent system.

Note will work with all sea pumps listed below that the front housing has been tapped for 1/8 NPT:
Will not work on 625-4112 with plastic rear housing.

Gen 7 496 Sea Pump Pulley
Your Price:
$179.99

Gen 7 350, 496, 502 Mag Sea Pump 7" Axius Pulley and Mandrel Kit - Black

625-4312

Replacement 496 Sea Pump Axius 7" Pulley and Mandrel Kit

This billet pulley is designed as a replacement for popular MerCruiser Axius applications. Will fit stock MerCruiser or Hardin Gen 7 Pump. For 350, 496, 502 Mag with 7" diameter Axius pulley applications only. Includes mandrel and bolts.