Outboards - Internal Engine Parts

1-1/2" Aluminum Flush Style Fuel Fill

These great looking fuel fills are extremely low profile. Each cap features unique finger grips on the perimeter of the cap allowing easy removal and installation. All mounting hardware is covered when the cap is installed.

Each cap features :
• an O-ring seal
• a 1-1/2" hose connection
• and is vented.

Height 2-3/16" x Width 3-1/2" Overall,  Hose Dia. 1-1/2"

See what each of our powder-coated finishes (both flat and glossy) look like under different lighting here!

1-1/2" Billet Flip Lid Fuel Fill

These low profile style billet fuel fills use an integrated flip-up style lid that aids in opening and closing the fuel fill. The cap is threaded and screwed into the inner flange covering all mounting hardware. Each cap is vented with a small drilled hole and features an O-ring seal and a 2" hose connection. The vent hole is threaded and can be plugged with a pipe plug (not included) if desired.

Height 2-1/2" x Width 3-1/2" Overall, Hose Dia.1-1/2"

See what each of our powder-coated finishes (both flat and glossy) look like under different lighting here!

1-1/2" Stainless Steel Flush Mount Fuel Fill

These great looking flush style fuel fills are made from 316 Stainless Steel.  Each cap features a recessed slot to assist inremoval and attachment.  This cap is designed for use with 1-1/2" fuelhose only. Flange is 3" Diameter. Bolt hole center to center is 2".

Note: This cap is non-vented.

2" Aluminum Flush Style Fuel Fill

These great looking fuel fills are extremely low profile. Each cap features unique finger grips on the perimeter of the cap allowing easy removal and installation. All mounting hardware is covered when the cap is installed.

Each cap features :
• an O-ring seal
• a 2" hose connection
• and is vented.

Height 2-3/16" x Width 3-1/2" Overall, Inner Dia. 1-15/16", Outer Dia. 2"

See what each of our powder-coated finishes (both flat and glossy) look like under different lighting here!

2" Billet Flip Lid Fuel Fill

These low profile style billet fuel fills use an integrated flip-up style lid that aids in opening and closing the fuel fill. The cap is threaded and screwed into the inner flange covering all mounting hardware. Each cap is vented with a small drilled hole and features an O-ring seal and a 2" hose connection. The vent hole is threaded and can be plugged with a pipe plug (not included) if desired.

Height 2-1/2" x Width 3-1/2" Overall, Inner dia. 1-5/8", Hose Dia. 2"

See what each of our powder-coated finishes (both flat and glossy) look like under different lighting here!

2" Polished Aluminum Flip-Top Fuel Fill

This polished aluminum fuel fill has been America's No.1 choice for decades. It's spring loaded flip top provides quick easy access. The base of this cap measures 3.5" X 2.5" and accepts a 2" fuel fill hose.

Note: This cap is non-vented.

2" Polished Aluminum Flip-Top Fuel Fill Repair Kit

This includes new spring and rubber seal to replace worn out parts from 610-1009 or similar style caps.

2" Stainless Steel Flip-Top Fuel Fill - Square Flange

This beautifully polished stainless steel flip-top is a great choice when updating your old, aging, peeling chrome flip-to fuel fill.  These stainless steel versions are strong, durable and will last for years to come. Accepts a 2" hose.

Note: This cap is non-vented.

2" Stainless Steel Flip-Top Fuel Fill - Round Flange (non-vented cap)

This beautifully polished stainless steel flip-top is a great choice when updating your old, aging, peeling chrome flip-to fuel fill.  These stainless steel versions are strong, durable and will last for years to come.

The base diameter on one side is 3.600" and the width and the flip top lever is 3.940". Accepts a 2" hose. Mounting holes are on a 3-1/8 bolt circle evenly spaced.

 2" Hose Billet Cam-Lock 1/4 Turn Fuel Fills - Non Vented

When it comes to style and function nothing screams "Cool" like a real aerospace jet airplane styled fuel fill.  Until now the only place you would find this high tech type of fuel fill would have been in a Formula One race car or the likes of a jet airplane.  Now thanks to the folks at Hardin Marine that same technology has now been made affordable to all.  CNC crafted from 6061-T6 billet aluminum and clear anodized for protection against the elements. These fuel fills are extremely easy to use with no threads to deal with, just flip the lever, twist 1/4 turn left or right and the unit is either installed or removed.  A safety chain is included so as not to misplace or drop the cap overboard.  An additional fuel vent must be used. Fill is 3.45" wide. Available in standard powdercoated colors. See installation instructions for detailed measurement specs.

See what each of our powder-coated finishes (both flat and glossy) look like under different lighting here!

1.5" Hose Polished Stainless Steel Flip Lid Fuel Fills

Now you can have the same great features in the popular billet aluminum fuel fill in an all new stainless steel version.  These caps are highly polished and offer a custom look. 1.5" Hose connection. This is a non-vented cap.

• Hole to Hole: 2"
• OD 3"
• Height: 3"

2" Polished Stainless Steel Flip Lid Fuel Fills

Now you can have the same great features in the popular billet aluminum fuel fill in an all new stainless steel version.  These caps are highly polished and offer a custom look. 2" Hose connection. This is a non-vented cap.

• Hole to Hole: 2"
• OD 3-1/2"
• Height: 3-3/16"