Marelon Full-Flow Seacock & 1-1/2" Mushroom Through-HullThis integrated 2-part system comes complete with a Marelon® valve and properly matched mushroom head thru-hull with super strong “buttress” type threading. This new package is...

Marelon Full-Flow Seacock & 1-1/4" Mushroom Through-HullThis integrated 2-part system comes complete with a Marelon® valve and properly matched mushroom head thru-hull with super strong “buttress” type threading. This new package is...

Marelon Full-Flow Seacock & 1" Mushroom Through-HullThis integrated 2-part system comes complete with a Marelon® valve and properly matched mushroom head thru-hull with super strong “buttress” type threading. This new package is...

Marelon Full-Flow Seacock & 3/4" Mushroom Through-HullThis integrated 2-part system comes complete with a Marelon® valve and properly matched mushroom head thru-hull with super strong “buttress” type threading. This new package is...

Marelon Full-Flow Seacock & 1/2" Mushroom Through-HullThis integrated 2-part system comes complete with a Marelon® valve and properly matched mushroom head thru-hull with super strong “buttress” type threading. This new package is...

Scupper ValveProvides a water exit for boats with self-bailing cockpits. Acetal construction. Accommodates 3875B thru-transom thru-hull connector (screw holes must be drilled for installation.) Diameter: 2-7/8"Use as a replacement valve for 3881...

Cockpit Drain - No ScreenFor use with 1-1/2" I.D. hose as part of a self-bailing cockpit system. Features short stem and narrow flange for installing through cockpits. Polypropylene construction.Specifications:Stem Length: 3-3/4"Max. Hull Thickness:...

MSD Fitting f/Large Tank 970 Series ToiletsReplaces MSD fittings for Series 975 MSD models.  Converts Series 975 and 976 - 5 gallon models to MSD toilets.*Sold as an Individual WARNING: This product can expose you to chemicals including...

Duck Bill Valve Kit - 1-1/2"The Dometic Duck Bill Valves Kit comes with two (2) 1 ½” duck bill valves for “T” and “S” series pumps.  These valves are a critical component of the VacuFlush system.  They help...

Pressure Reducing City Water Entry - Wall Mount - Gel WhiteThis combination pressure reducing city water entry and check valve diaphragm design prevents high-pressure damage often caused by city water systems. This high performance water entry limits...

Pressure Reducing City Water Entry - Wall Mount - ChromeThis combination pressure reducing city water entry and check valve diaphragm design prevents high-pressure damage often caused by city water systems. This high performance water entry limits...

Pressure Reducing City Water Entry - In-Line - CreamThis combination pressure reducing city water entry and check valve diaphragm design prevents high-pressure damage often caused by city water systems. This high performance water entry limits water...

Gas Fill f/1-1/2" Hose - Chrome Plated Zinc, Black FlangeFeatures: Chrome Plated Zinc Alloy Flange Black Polymer Flange Black Polymer Cap with Strap Grounding Screw Included Cap Retainer and GasketSpecs: For Hose Size: 1-1/2" O.D. Flange: 3-1/8" Neck...

Spare Gas Cap w/O-Ring & CableBlack polymer gas cap has a slot between the holes.

Gas Tank Vent w/Swivel Elbow - Chrome/BlackFeatures: Chrome Plated Zinc Alloy Cap with Zinc Alloy Elbow Black or White Polymer Splash Guards Removable 30 Mesh Stainless Steel Wire Screen Flame Arrestor - for use with fuel applications Design Allows...

Spare Cap f/1313 Gas FillNon-Locking Spare Cap f/1313 Gas Fill

0540 Gas Fill/Vent for 1-1/2" Hose - Angled NeckFeatures:Angled NeckChrome Plated Bronze CapBlack Polymer BodyStainless Steel Bead ChainIntegral Tank Vent with Flame Arrestor and Anti Surge ValveDeck Plate Key Included Quick Guide (pdf)

0540 Spare CapPerko's 0540 spare gas cap with chain

Gas Tank VentChrome Plated Zinc Alloy with Black Polymer Splash GuardRemovable 30 Mesh Stainless Steel Wire Screen Flame Arrestor - for use with fuel applicationsHose Size: 5/8"Max Hull Thickness: 3/4"

Flush Pro Valve Kit - 1-1/4"Finally! Freshwater flushing of your inboard is as simple as connecting a garden hose.Features:PolymerStainless Steel SpringFlush your boat engine safely and easilyTransparent body allows for visual inspection of water...