Fuel System Parts - Fuel Filters & Heads

Standard High Volume Filter/Separator w/ Filter Head and Bracket
Your Price:
$129.99

Standard High Volume Filter/Separator w/ Filter Head and Bracket

625-7668

This beautifully polished CNC crafted billet aluminum Fuel/Water separator filter kit is the perfect solution for standard and entry level performance marine engines. This unit features 1/2"NPT inlet/outlet ports on either side for convenient fuel system plumbing and return. Sturdy one piece billet construction allows easy remote mounting of the included WIX #692-33405 fuel/water separator filters. Hose and fittings not included.

Features:
  • Ideal for Marine fuel/water Separator applications 
  • CNC-machined from billet 6061-T6 aluminum 
  • High-Flow Design 
  • 1"-14 Thread 
  • 1/2" NPT Inlet/Outlet ports 
  • Kit Includes popular WIX #692-33405 filter

Black Anodized, Standard High Volume Filter/Separator w/ Filter Head and Bracket
Your Price:
$109.99

Black Anodized, Standard High Volume Filter/Separator w/ Filter Head and Bracket

625-7671

Black Anodized, Standard High Volume Filter/Separator w/ Filter Head and Bracket 

This beautifully polished CNC crafted billet aluminum Fuel/Water separator filter kit is the perfect solution for standard and entry level performance marine engines. This unit features 1/2" NPT inlet/outlet ports on either side for convenient fuel system plumbing and return. Sturdy one piece billet construction allows easy remote mounting of the included WIX #692-33405 fuel/water separator filters. Hose and fittings not included.

Features:

  • Ideal for Marine fuel/water Separator applications 
  • CNC-machined from billet 6061-T6 aluminum 
  • High-Flow Design 
  • 1"-14 Thread 
  • 1/2" NPT Inlet/Outlet ports 
  • Kit Includes popular WIX #692-33405 filter

 


HP High Volume Fuel Filter/Separator w/ FST Filter Head and Bracket
Your Price:
$99.99

HP High Volume Fuel Filter/Separator w/ FST Filter Head and Bracket

625-7669

This beautifully polished CNC crafted billet aluminum HP Fuel/Water separator filter kit is the perfect solution for standard and entry level performance marine engines. This unit features 1/2"NPT inlet/outlet ports on either side for convenient fuel system plumbing and return. Sturdy one piece billet construction allows easy remote mounting of the included FST fuel/water separator filters. The FST Performance RF500M fits the OEM Mercury racing filter head as well as the Hardin Marine Billet fuel / water separator head #625-7667. This filter removes contaminates downto as small as 3 Microns while separating water, with a flow rate of up to 200 GPH flow with less than 1% pressure drop at 75psi through 579 sq.in. of filter material. Hose and fittings not included.

Features:
  • Ideal for Marine fuel/water Separator applications 
  • CNC-machined from billet 6061-T6 aluminum 
  • High-Flow Design 
  • 2 Plugs Included
  • 1"-14 Thread 
  • 1/2" NPT Inlet/Outlet ports 
  • Kit Includes HP FST RF500M filter

Black Anodized, HP High Volume Fuel Filter/Separator w/ FST Filter and Hardin Head Bracket
Your Price:
$119.99

Black Anodized, HP High Volume Fuel Filter/Separator w/ FST Filter and Hardin Head Bracket

625-7672

Black Anodized, HP High Volume Fuel Filter/Separator w/ FST Filter and Hardin Head Bracket

This beautifully polished CNC crafted billet aluminum HP Fuel/Water separator filter kit is the perfect solution for standard and entry level performance marine engines. This unit features 1/2" NPT inlet/outlet ports on either side for convenient fuel system plumbing and return. Sturdy one piece billet construction allows easy remote mounting of the included FST fuel/water separator filters. The FST Performance RF500M fits the OEM Mercury racing filter head as well as the Hardin Marine Billet fuel / water separator head #625-7667. This filter removes contaminates down to as small as 3 Microns while separating water, with a flow rate of up to 200 GPH flow with less than 1% pressure drop at 75 psi through 579 sq.in. of filter material. Hose and fittings not included.

Features:

  • Ideal for Marine fuel/water Separator applications 
  • CNC-machined from billet 6061-T6 aluminum 
  • High-Flow Design 
  • 2 Plugs Included
  • 1"-14 Thread 
  • 1/2" NPT Inlet/Outlet ports 
  • Kit Includes HP FST RF500M filter

High Volume Outboard Fuel Filter Head Kit and Bracket 1/2" NPT Inlet and Outlet - Polished
Your Price:
$135.99

High Volume Outboard Fuel Filter Head Kit and Bracket 1/2" NPT Inlet and Outlet - Polished

625-7684

This beautifully polished CNC crafted billet aluminum Fuel/Water separator filter kit is the perfect solution for modern Mercury outboard engines. This unit features 1/2"NPT inlet/outlet ports on either side for convenient fuel system plumbing and return. Sturdy one piece billet construction allows easy remote mounting of OEM filters and the popular aftermarket FST #692-33408 fuel/water separator filters. This kit includes a 692-33408 filter. Hose and fittings not included.

Features:
  • Ideal for Marine fuel/water Separator applications 
  • CNC-machined from billet 6061-T6 aluminum 
  • High-Flow Design 
  • 11/16"-16 Thread 
  • 1/2" NPT Inlet/Outlet ports 
  • Kit Includes FST Filter RF51 Type #692-33408

High Volume Outboard Fuel Filter Head Kit and Bracket 1/2" NPT Inlet and Outlet - Black Anodized
Your Price:
$135.99

High Volume Outboard Fuel Filter Head Kit and Bracket 1/2" NPT Inlet and Outlet - Black Anodized

625-7686

This beautifully black anodized CNC crafted billet aluminum Fuel/Water separator filter kit is the perfect solution for modern Mercury outboard engines. This unit features 1/2"NPT inlet/outlet ports on either side for convenient fuel system plumbing and return. Sturdy one piece billet construction allows easy remote mounting of OEM filters and the popular aftermarket FST #692-33408 fuel/water separator filters. This kit includes a 692-33408 filter. Hose and fittings not included.

Features:
  • Ideal for Marine fuel/water Separator applications 
  • CNC-machined from billet 6061-T6 aluminum 
  • High-Flow Design 
  • 11/16"-16 Thread 
  • 1/2" NPT Inlet/Outlet ports 
  • Kit Includes FST Filter RF51 Type #692-33408

Xtreme Billet Coalescing Fuel & Water Separator
Your Price:
$179.99

Xtreme Billet Aluminum / Stainless Steel Coalescing Fuel & Water Separator

625-7660

Xtreme Billet Aluminum / Stainless Steel Coalescing Fuel & Water Separator

Form and function is beautifully combined in these coalescing fuel and water separators Constructed of stainless steel and polished to a mirror finish these filter mounts offer a quad webbed bolt configuration that allows a straight-thru or 90 degree inlet to outlet fuel hose routing. The large 3/4" NPT ports provide for maximum fuel flow approaching 200 gallons per hour The high flow and high pressure capabilities and the 1/8" NPT fuel pressure sender port of this assembly make it perfect for both carbureted and fuel injected applications The unique "coalescing" element core is impervious to moisture and contamination and foreign particles while providing maximum fuel system flow.

  • Bracket is Constructed of Polished 316L Stainless Steel. Head in Billet Aluminum
  • Quad webbed bolt configuration allows a straight-thru or 90 degree inlet to outlet fuel hose routing.
  • Three Large 3/4" NPT ports provide for maximum fuel flow approaching 200 GPH.
  • 1/8" NPT fuel pressure sender port.
  • Perfect for carbureted and fuel injected applications.

Xtreme Billet Coalescing Fuel & Water Separator
Your Price:
$179.99

Xtreme Billet Aluminum / Stainless Steel Coalescing Fuel & Water Separator - Black Anodized

625-7666

Xtreme Billet Aluminum / Stainless Steel Coalescing Fuel & Water Separator

Form and function is beautifully combined in these coalescing fuel and water separators Constructed of stainless steel and black anodized billet aluminum these filter mounts offer a quad webbed bolt configuration that allows a straight-thru or 90 degree inlet to outlet fuel hose routing. The large 3/4" NPT ports provide for maximum fuel flow approaching 200 gallons per hour The high flow and high pressure capabilities and the 1/8" NPT fuel pressure sender port of this assembly make it perfect for both carbureted and fuel injected applications The unique "coalescing" element core is impervious to moisture and contamination and foreign particles while providing maximum fuel system flow.

  • Bracket is Constructed of Polished 316L Stainless Steel. Head in Black Anodized Billet Aluminum
  • Quad webbed bolt configuration allows a straight-thru or 90 degree inlet to outlet fuel hose routing.
  • Three Large 3/4" NPT ports provide for maximum fuel flow approaching 200 GPH.
  • 1/8" NPT fuel pressure sender port.
  • Perfect for carbureted and fuel injected applications.

Xtreme Billet Coalescing Fuel & Water Separator
Your Price:
$179.99

Xtreme Billet Aluminum / Stainless Steel Fuel Filter Head with FST Filter - Polished

625-7675

Xtreme Billet Aluminum / Stainless Steel Fuel Filter Head with FST Filter - Polished

Form and function is beautifully combined in these coalescing fuel and water separators Constructed of stainless steel and polished to a mirror finish these filter mounts offer a quad webbed bolt configuration that allows a straight-thru or 90 degree inlet to outlet fuel hose routing. The large 3/4" NPT ports provide for maximum fuel flow approaching 200 gallons per hour The high flow and high pressure capabilities and the 1/8" NPT fuel pressure sender port of this assembly make it perfect for both carbureted and fuel injected applications The unique "coalescing" element core is impervious to moisture and contamination and foreign particles while providing maximum fuel system flow.

  • Bracket Constructed of Polished 316L Stainless Steel. Head is Billet Aluminum.
  • Polished Bracket and Filter Head.
  • Quad webbed bolt configuration allows a straight-thru or 90 degree inlet to outlet fuel hose routing.
  • Three Large 3/4" NPT ports provide for maximum fuel flow approaching 300 GPH.
  • 1/8" NPT fuel pressure sender port.
  • Perfect for carbureted and fuel injected applications.
  • Kit Includes HP FST RF500M filter

Xtreme Billet Coalescing Fuel & Water Separator
Your Price:
$189.99

Xtreme Stainless Steel Fuel Filter Head with FST Filter - Black Anodized

625-7676

Xtreme Stainless Steel Fuel Filter Head with FST Filter - Black Anodized

Form and function is beautifully combined in these coalescing fuel and water separators Constructed of stainless steel and polished to a mirror finish these filter mounts offer a quad webbed bolt configuration that allows a straight-thru or 90 degree inlet to outlet fuel hose routing. The large 3/4" NPT ports provide for maximum fuel flow approaching 200 gallons per hour The high flow and high pressure capabilities and the 1/8" NPT fuel pressure sender port of this assembly make it perfect for both carbureted and fuel injected applications The unique "coalescing" element core is impervious to moisture and contamination and foreign particles while providing maximum fuel system flow.

  • Constructed of Polished 316L Stainless Steel. Polished Bracket with Black Anodized Filter Head.
  • Quad webbed bolt configuration allows a straight-thru or 90 degree inlet to outlet fuel hose routing.
  • Three Large 3/4" NPT ports provide for maximum fuel flow approaching 300 GPH.
  • 1/8" NPT fuel pressure sender port.
  • Perfect for carbureted and fuel injected applications.
  • Kit Includes HP FST RF500M filter

High Volume Filter Head and Bracket 1/2" NPT Inlet and Outlet
Your Price:
$99.99

High Volume Filter Head and Bracket 1/2" NPT Inlet and Outlet

625-7667

This beautifully polished CNC crafted billet aluminum Fuel/Water separator filter mount is the perfect solution for standard and entry level performance marine engines. This unit features 1/2"NPT inlet/outlet ports on either side for convenient fuel system plumbing and return. Sturdy one piece billet construction allows easy remote mounting of the popular WIX #692-33405 fuel/water separator filters. Hose and fittings not included.

Features:
  • Ideal for Marine fuel/water Separator applications 
  • CNC-machined from billet 6061-T6 aluminum 
  • High-Flow Design 
  • 1"-14 Thread 
  • 1/2" NPT Inlet/Outlet ports 
  • Accepts popular WIX #692-33405

High Volume Outboard Fuel Filter Head and Bracket 1/2" NPT Inlet and Outlet - Polished
Your Price:
$109.99

High Volume Outboard Fuel Filter Head and Bracket 1/2" NPT Inlet and Outlet - Polished

625-7683

This beautifully polished CNC crafted billet aluminum Fuel/Water separator filter mount is the perfect solution for modern Mercury outboard engines. This unit features 1/2"NPT inlet/outlet ports on either side for convenient fuel system plumbing and return. Sturdy one piece billet construction allows easy remote mounting of OEM filters and the popular aftermarket FST #692-33408 fuel/water separator filters. Hose and fittings not included.

Features:
  • Ideal for Marine fuel/water Separator applications 
  • CNC-machined from billet 6061-T6 aluminum 
  • High-Flow Design 
  • 11/16"-16 Thread 
  • 1/2" NPT Inlet/Outlet ports 
  • Accepts standard Mercury and Aftermarket RF51 Type #692-33408

Fuel Filter Head, Black Bulkhead 1/2 NPT
Your Price:
$89.99

Black Anodized, High Volume Filter Head and Bracket 1/2" NPT Inlet and Outlet

625-7670

Black Anodized, High Volume Filter Head and Bracket 1/2" NPT Inlet and Outlet

This beautifully polished CNC crafted billet aluminum Fuel/Water separator filter mount is the perfect solution for standard and entry level performance marine engines. This unit features 1/2"NPT inlet/outlet ports on either side for convenient fuel system plumbing and return. Sturdy one piece billet construction allows easy remote mounting of the popular WIX #692-33405 fuel/water separator filters. Hose and fittings not included.

Features:
  • Ideal for Marine fuel/water Separator applications 
  • CNC-machined from billet 6061-T6 aluminum 
  • High-Flow Design 
  • 1"-14 Thread 
  • 1/2" NPT Inlet/Outlet ports 
  • Accepts popular WIX #692-33405

High Volume Outboard Fuel Filter Head and Bracket 1/2" NPT Inlet and Outlet - Black Anodized
Your Price:
$109.99

High Volume Outboard Fuel Filter Head and Bracket 1/2" NPT Inlet and Outlet - Black Anodized

625-7685

This beautifully black anodized CNC crafted billet aluminum Fuel/Water separator filter mount is the perfect solution for modern Mercury outboard engines. This unit features 1/2"NPT inlet/outlet ports on either side for convenient fuel system plumbing and return. Sturdy one piece billet construction allows easy remote mounting of OEM filters and the popular aftermarket FST #692-33408 fuel/water separator filters. Hose and fittings not included.

Features:
  • Ideal for Marine fuel/water Separator applications 
  • CNC-machined from billet 6061-T6 aluminum 
  • High-Flow Design 
  • 11/16"-16 Thread 
  • 1/2" NPT Inlet/Outlet ports 
  • Accepts standard Mercury and Aftermarket RF51 Type #692-33408

FST Big Deuce Dual Fuel Filter System
Your Price:
$494.95

FST Big Deuce Dual Fuel Filter System

692-33560

FST Big Deuce Dual Fuel Filter System

  • Dimensions: 8-1/4" tall x 8-3/4" wide x 5-3/8" deep
  • Weighs: 7 lbs. 1 oz. (dry/empty)
  • Billet: 6061-T6 billet aluminum base/manifold. Not a cheap casting.
  • Stainless steel filter adaptors
  • Flow: (est) 550 gallons per hour (3,340 lbs.)
  • Filtering (efficiency): 3 Microns (gasoline-methanol-ethanol-& diesel compatible)
  • Filter media surface: 1,158 total square inches (579 sq. in. per spin-on)
  • Water Separation: Strips/separates free water to the "quiet" zone for water & heavy contaminates to settle. Not water blocking which blocks fuel flow.
  • Burst: 250 psi (ideal for performance fuel injection pumps)
  • Ports: -16 ORB (A/N). Multiple ports (2= IN & 2= OUT) for installation options or the ability to add accessories like fuel pressure sensor units, etc.
  • Replacement spin-on type filters: (RF500M) for ease of changing. Nothing to service or clean out, eliminating the chance for fuel system contamination.

Ideal for racing where extra capacity or flow is needed: multiple engine offshore boats, high horsepower race engines, off road/desert racing vehicles or any performance engine that needs a high-flow, reliable, dirt-free fuel supply.


Stainless Steel OEM Replacement Filter and Mounting Head
Your Price:
$78.99

Stainless Steel OEM Replacement Filter and Mounting Head

625-7662

Stainless Steel OEM Replacement Filter and Mounting Head

This unit is a perfect economical upgrade for a mildly modified marine engine. Each stainless steel mounting head features larger than stock 3/8" NPTF fuel inlets and outlets allowing a 15% increase over original equipment versions. This unit uses a high quality OEM replacement filter for easy serviceability.


Standard High Volume Filter/Separator 7-1/2" Tall
Your Price:
$32.99

Standard High Volume Filter/Separator 7-1/2" Tall

692-33405

Standard High Volume Filter/Separator 7-1/2" Tall

This is hands down one of the best, 7-1/2" tall, filter in the fuel/water separator market. These high volume filters will trap down to a 14 micron particle and has a maximum flow rate of 12GPM ​ and a maximum flow rate of up to 700GPH​. Each filter has a thread or spin-on design and can attach to a heavy duty cast filtered head that is equipped with a 1/2" NPT inlet and outlet.

Measurements: Thread size is 1"-14


Mercury Racing Fuel Filter Element
Your Price:
$33.95

Mercury Racing Fuel Filter Element (Replacement #35-8M0000202 or (RF500M)

692-33407

Mercury Racing Fuel Filter Element (Replacement #35-8M0000202 or (RF500M)

The FST Performance RF500M fits the OEM Mercury racing filter head as well as the Hardin Marine Billet fuel / water separator head #625-7667. This filter removes contaminates down to as small as 3 Microns while separating water. With a flow rate of 5GPM and up to 300 GPH flow with less than 1% pressure drop at 75psi through 579 sq.in. of filter material.

Measurements: 6-1/2" tall and 3-5/8" wide. Thread size is 1"-14 


Mercury Racing Fuel Filter Element
Your Price:
$26.95

Mercury Fuel Filter Replacement (RF51)

692-33408

Mercury Fuel Filter Replacement (RF51)

The RF51 spin-on Fuel Filter utilizes FST’s exclusive FloMax™ low restriction, high efficiency filter media that filters down to 4 microns, and strips 99% free water.

  • 100% Made in America • Size: O.D.: 11/16” (93.7mm) Height: 3-7/8” (98.4mm)
  • Thread: 11/16-16
  • Gasket/Seal: (attached) O.D. 2.834(72mm) I.D.: 2.462 (63mm) Thick 0.500 (5mm)
  • Flow: 200 gallons per hour
  • Filtering Effificiency: 4 Microns: FloMax™ exclusive cellulose (gasoline-methanol-ethanol compatible). Most competitors are in the 10-24 Micron range.
  • Water Separation: FST’s exclusive, enhanced cellulose FloMax™ filter media strips/ separates water to a “quiet” zone for water and heavy contaminates to settle. Strips 99% of free water. Not water blocking and does not swell up, which can block the fuel flow.
  • Burst: 250 psi
REPLACES: FRAM: PS3808, MERCURY MARINE: 35-1604941, 35-60494, 35-802893Q, 35-802893Q01, 35-802893T, 35-805269, 35-807172, 9-37801, C35-60494A, NAPA: 3225, 3226, SIERRA: 187845, 18-7845, 18-7945, WIX: 33225, 33226

Replacement Coalescing Fuel Filter Element
Your Price:
$33.99

Replacement Coalescing Fuel Filter Element

625-7661

  • 7-3/4" tall.
  • Fits 625-7660 Extreme SS Filter Head.
  • 1"-12 thread