Boat Plumbing Fittings

The Attwood Tsunami Mk2 Aerator Pump T1200 is a compact 12V, 1200 GPH thru-hull pump that keeps bait and catch aerated with interchangeable straight and 90° outlets for fast, tool-free installation. Built for anglers who need dependable livewell performance on small boats, the Tsunami...

The Attwood Tsunami Mk2 Aerator Pump T800 (12V) is a compact 800 GPH livewell aeration pump with integrated seacock and both elbow and straight fittings for fast, tool-free installation. The Tsunami Mk2 is built to keep bait and catch lively by providing steady, oxygenated...

The Attwood Tsunami Mk2 Aerator Pump T800 is a compact 12V livewell pump that delivers 800 GPH with through-hull elbow and both 90° and straight outlet fittings for flexible, tool-free installation. Designed for anglers who need dependable aeration without complicated plumbing, the Tsunami Mk2...

The Attwood Tsunami Mk2 Aerator Pump T800 is a compact 12V thru-hull aeration unit that delivers up to 800 GPH with straight and 90° fittings for reliable livewell circulation. The Tsunami Mk2 T800 is engineered for anglers who need consistent oxygenation for bait and...

The Attwood Tsunami Mk2 Aerator Pump T500 is a compact 12V livewell pump that delivers 500 GPH of reliable aeration and includes a seacock plus both elbow and straight fittings for quick installation. Built for anglers who need steady oxygenation for bait and catch,...

The Attwood Tsunami MK2 Aerator Pump T500 is a compact 12V livewell pump delivering 500 GPH with rotatable inlet and included elbow and straight fittings for quick, flexible installation. Built for anglers who need dependable aeration, the Tsunami MK2 keeps bait and catch oxygenated...

HAPDEN's Solid Brass Boat Drain Plug Kit is a durable 1/2" inner-hole marine plug with a 2" outer ring, engineered to provide a reliable, leak-resistant seal for most boat hulls. Whether you're replacing a worn drain plug or fitting a new hull, this kit...

HAPDEN Stainless Steel Boat Drain Plug Kit is a marine-grade 316 stainless drain plug assembly with a 1/2" inner hole and 2" outer ring designed to provide a leak-resistant, long-lasting drain solution for most boat hulls. Whether you're replacing a worn plug or fitting...

BOPOREAE Expandable Mechanical Seal Cleanout Pipe Plug is a twist-to-expand rubber-and-stainless test plug that creates a removable, leak-resistant seal for 65–80mm (2-9/16"–3-1/8") circular pipe openings. This heavy-duty sewer cap cover combines a stainless steel actuator and nitrile butadiene rubber (NBR) sealing sleeve to deliver...

BOPOREAE's expandable mechanical seal pipe plug is a twist-activated rubber and stainless-steel test plug designed to seal, pressure-test, and temporarily close round drains and pipe openings from 85–100 mm (3-3/8"–3-15/16"). If you need a reusable, heavy-duty plug for drain cleanouts, low-pressure leak testing, or...

BOPOREAE expandable mechanical seal cleanout pipe plug is a removable, twist‑to‑expand rubber test plug that creates a reliable, leak‑resistant seal for circular drain openings and pipes between 52–65 mm (2‑1/16"–2‑9/16"). This heavy‑duty test plug combines a nitrile butadiene rubber (NBR) sealing element with a...

Amyhill 4 Pcs Boat Plugs Snap Handle are 1-inch marine drain plugs with a twist-lock handle and stainless-rubber construction designed to seal and release boat drains reliably. These four compact drain plugs give you a straightforward, serviceable solution for managing water drainage on small...

Five Oceans FO4277 is a machined brass 1/4" NPT to 3/8" barb connector engineered to join portable marine fuel tanks to 3/8" fuel hose with reliable grip and corrosion resistance. This compact, marine-grade connector converts a 1/4-inch male NPT thread to a 3/8-inch hose...

The Valterra F02-3108 EZ Coupler Bayonet Fitting (red) is a quick-snap connector that lets you join bayonet-style sewer hoses to make secure extension lines without clamps. When you need to extend or repair an RV sewer hose quickly, the Valterra EZ Coupler provides a...

Lounsweer 6-piece 1/2" NPT solid brass boat drain plugs are durable threaded plugs designed to seal hull and plumbing drains with corrosion-resistant brass for long-term marine use. These threaded drain plugs come as a set of six, each sized to a standard 1/2" NPT...

ElaraBerry 2 Pcs Thru Hull Fittings are 316 stainless-steel barbed connectors engineered to fit 3/4-inch hoses for secure hull drains, tank vents, and bilge connections on boats and RVs. These through-hull fittings provide a compact, durable solution when you need a reliable pass-through for...

Scepter 04075 is a brass 1/4" NPT male tank fitting engineered to provide a secure, OEM-spec connection for all Yamaha outboard fuel tanks. This compact fitting replaces or upgrades fuel-line connections on Yamaha outboards, offering corrosion-resistant brass, stainless internal parts, and durable Viton O-rings...

Boltigen Thru Hull Fittings are 316 stainless steel straight-barb connectors designed to create a durable, leak-resistant hose connection for 3/4" I.D. marine hoses. Built for saltwater and freshwater vessels, this Boltigen through-hull skin fitting pairs marine-grade 316 stainless steel with a straight barb profile...

Whale Quick Connect 15mm Equal Elbow (WX1503) is a 90° push-fit plumbing adapter designed for fast, secure 15mm OD tube connections in marine water systems. This compact elbow fitting combines semi-rigid polyethylene construction with Whale’s Double-Gripper push-fit technology to offer a durable, leak-resistant join...

The Boltigen Solid Brass Garboard Drain Plug Kit is a corrosion-resistant, 1/2" NPT threaded thru-hull drain assembly designed to provide a secure, high-flow watertight seal for boats and marine craft. Built from marine-grade brass and machined for precise fit, this garboard drain kit replaces...

LKBVSLBL Quick Connect Flush Kit (2-Pack, Orange) is a pair of universal garden-hose adapters designed to fasten to standard 3/4" hoses and provide a secure, quick-connect flushing solution for 4-stroke PWCs and many outboard motors. Keep your jet ski or boat cooling passages free...

Nayciiy 4 Pcs Brass T-handle expandable rubber boat drain plugs are twist-lock marine plugs designed to seal 1-inch drain holes quickly and securely. These marine drain plugs combine a rubber, expandable body with a brass or stainless-steel T-handle for corrosion resistance and a simple...

Linkstyle 4 PCS Brass T-Handle Drain Plugs are a four-piece set of 1-inch diameter marine drain plugs with brass bodies, rubber sealing rings and a twist-and-lock T-handle to stop water from entering or leaving hull drains. These drain plugs are built for saltwater use...

The C CLINK Boat Garboard Drain Plug is a solid-brass 1/2" NPT replacement drain plug set designed to give a reliable, corrosion-resistant seal for most recreational boat hulls. When you need a durable, easy-to-use drain plug that stands up to freshwater and marine conditions,...

Sealproof’s Bilge Pump Hose Kit is a ready-to-install 5-foot section of 3/4" ID kink-resistant PVC discharge hose supplied with two stainless steel worm-gear clamps and a thru-hull connector. This compact kit supplies the essential components for a bilge pump discharge line: a resilient, corrugated...

Whale Quick Connect 15mm Equal Straight Adapter (WX1504) is a push-fit, double-gripper 15mm-15mm straight coupling built for fast, leak-resistant hot and cold water plumbing on boats. This 15mm equal straight adapter from Whale is designed for marine water systems where secure, low-maintenance connections matter....

keehui's 316 stainless steel combo thru-hull fitting is a polished, saltwater-rated boat fitting designed for 3/4" I.D. marine hose, supplied with a mounting nut and gasket for a secure deck or hull installation. This solid-cast 316 stainless thru-hull provides corrosion resistance for harsh marine...

Nerites 2-pack marine drain plug kit: two 316 stainless oval drain plugs with rubber seals and mounting screws designed to fit a 1" hull cutout and a 3/4" thread OD for reliable boat drainage. This compact kit supplies a corrosion-resistant replacement or upgrade for...