New model, OEM replacement membrane for all Ultima Water Systems 5, 6, 7, and 7000 reverse osmosis systems. Will also work on most reverse osmosis systems with a flow restrictor rated at 150ml to 200ml. Includes the new service manual "How to Service Your Reverse Osmosis System" by Dionicio Porras....

Marine stainless steel pull pin by Taylor made. Replaces the screws in stainless steel and chromed Zamak deck hinges. Allows fast and easy mounting or removal of a Bimini top. Comes complete with safety lanyard to prevent Lost pins. 1-1/4" long and 1/4" Dia. Pin. Sold in pairs. Boating is a great wa...

Your purchase includes 4 Sets of Laser Arch Support Brackets (8 pieces). This is one of our stronger systems designed to handle moderate wind, snow, wind and rain. This is one of our best selling products, with thousands of users across the US. This product is made in the USA out of zinc plated stee...

The Raymarine EV-100 p70 Wheel Pilot Pack comprises a fully enclosed wheel-drive that fits most types of wheels and provides superb autopilot performance for small to medium sized sailboats. Quick and easy installation makes it the ideal autopilot for do-it-yourselfers. Specifically designed to comp...

Special inductive gray spark plug wires for Johnson/Evinrude 60 degree optical (OIS 2000) ignition systems. Contains a set of 6 spark plug wires for 1991-2005 V6 60 degree engines. MFG# 931-4921 9314921

Rotary rudder reference replacement transducer, Mfg# M81105, used on Raymarine and auto helm autopilot systems and seatbelt rudder angle indicator displays. Includes10 cable & mounting hardware.

The Reese Towpower Wheel Bearing Protectors helps prevent costly trailer repairs. Featuring chrome plated steel housing, these protectors keeps water and dirt out of wheel hubs and makes wheels completely submersible. REESE is the market leader in automotive and recreational product solutions, engin...

Quicksilver propellers can improve performance of any boat through the use of Flo Torq hub systems. Flo Torq hub systems are durable, provide lower unit protection and are also field serviceable.

A guide for racing covers the principles of sail trim, crew movement techniques, maneuvers, and control systems, and gives advice on adjusting to special conditions. Illustrated throughout

Know Your Boat is here to rescue the millions of boaters who have always been afraid to peer into their boat’s innards for fear of what they’ll find. Here at last is the humorous, user-friendly guide that will give a timid skipper the courage to grab a wrench and tame the savage beast in the bilge (...

“The best explanation that I have seen of corrosion on boats.”―Nigel Calder, author of Boatowner’s Mechanical and Electrical Manual “A powerful weapon in the war against metal deterioration.”―Cruising World Corrosion is a constant, often expensive, and sometimes dangerous problem for boaters. Moistu...

AFTERMARKET RADIO / STEREO INSTALLATION WIRE HARNESS -- CONNECTS DIRECTLY INTO VEHICLE HARNESS -- AVOIDS CUTTING INTO CAR HARNESS FOR PROFESSIONAL RESULTS -- (THIS HARNESS IS DESIGNED ONLY FOR STANDARD / NO PREMIUM / NON FACTORY AMPLIFIED SYSTEMS) -- (NOT COMPATIBLE WITH ONSTAR, SYNC, RAP FEATURES O...