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Spare Parts & Supplies for Offshore Sailing

The further you sail away from your local hardware store, and the longer you stay out, the more you'll have to be self-reliant with parts and spares. Even if you're not a hands-on type of person, having the proper parts for a mechanic to install can make the difference between being stuck and being able to continue the voyage.

The following checklists cover parts and spares for a typical cruising sailboat on an extended voyage to the Caribbean. Consider adding to this list if you're going on an extended voyage beyond the reach of any mechanic.

Knowing the condition of your boat, particularly its strengths and weaknesses, will also help you to select appropriate spare parts for a voyage.

The parts and supplies on the following list are the most commonly carried items. They have been included because they support critical systems and/or because they re prone to failure. This list may be more comprehensive than what you need. Assess your boat, destination and current inventory of parts then decide if it's worth the expense and storage space these parts take up.

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Spare Parts List

Item
Link to Detail
Anchoring Gear Spares
  Spare anchor (in case of loss of primary anchor)  
 
Spare anchor rode (in case of loss of primary anchor rode)  
 
Spare shackles to fit anchor chain  
 
Spare chafing gear  
Communication Spares
 
Spare battery pack or batteries for handheld VHF  
 
Emergency/spare antenna for main VHF  
Cooking
 
Spare LPG solenoid (they seem to last for only 3-5 years before rusting out)  
Crew Safety
  Rearming kit(s) for inflatable PFD's  
Damage Control Supplies
 
1/4" plywood - four 2' x 4' pieces (store under bunks)  
 
1" aluminum bar stock and 1" aluminum angle iron - two 4' pieces  
 
Assortment of adhesives: 3M's 4200 (fast-set version of 5200), epoxy, silicone sealer , crazy glue  
 
Quick-set underwater epoxy  
 
Duct tape, wire ties, whipping twine, monel seizing wire  
 
1/8" thick sheet of gasket rubber - one 1' square sheet  
 
Hoses in 1/4" (fuel), 1/2" and 5/8" (water), 1" and 1 1/4" (engine/heater hose).  
 
Hose clamps (assorted sizes)  
Dewatering
 
Rebuild kit for primary bilge pump or spare primary bilge pump  
 
Hose clamps to fit bilge pump hoses  
Diesel Engine Spares & Supplies
Engine Consumables
 
Antifreeze - several gallons - enough to fill the fresh-water loop with a 50/50 water/coolant mix .  
 
Automatic Transmission Fluid (ATF) or similar - as recommended by the manufacturer for your transmission.  
 
Biocide to add to fuel at each fill-up  
 
Cetane booster to add to fuel at each fill-up  
 
Engine oil, filters, filter wrench, hand pump and empty 1 gal jugs. Enough oil for at least 1 oil change, plus extra to replace burned oil .  
 
Fuel filters - 6 spare primary filters and 2 spare secondary filters.  
 
Zincs - shaft zincs (2) and engine zincs (1 set)  
Spare Parts
  Alternator & regulator. If you don't bring a spare alternator, consider bringing an alternator rebuild kit consisting of bearings, brushes and diodes.  
 
Cooling system: thermostat and gasket set , pressure cap  
  Fresh water pump and gasket kit  
  Fuel lift pump and gasket set  
 
Hoses - complete set of cooling system hoses and clamps  
  Impellers (2 or more) for raw water pump  
  Jumper cables  
 
Packing to fit propeller shaft stuffing box  
  Raw water impeller, gasket kit and spare screws for cover plate  
  "Shop" manual for the engine  
 
Starter motor  
 
V-belts - 2 complete sets  
 
   
Drinking Water
  Spare water pressure pump  
Electrical System Spares
 
Wire - 25' or 50' spools of #12 wire in black, yellow and red  
 
Terminal fittings for wire  
  Spare fuses to fit all equipment on board  
  Solder  
     
Head
  Spare parts / rebuilt kit  
Outboard Motor and Related Items
  Fuel filter (in line) or fuel filter element  
 
Impeller for cooling water  
 
Spare prop and shear pin(s)  
 
Spark plug(s) and spark plug wrench  
Plumbing Spares and Supplies
 
Water hose (usually 1/2" OD) 25'  
 
Water filter elements  
 
S[are water pressure pump  
 
Tubing joiners (male to male barbed ends) 1/2" and 5/8" sizes  
Sail and Rigging Repair Kit
  Patching: heavy duty scissors, spare sailcloth material (a 3' x 12' piece is good for most needs), roll of sail repair tape 3" wide  
 
Sail sewing kit:
  - six heavy-duty needles
  - two spools of #4 whipping twine
  - needle nose pliers
  - sailmakers palm
  - spare sailcloth for patches
  - sail repair tape (adhesive)
  - dacron thread
 
 
Spare sail slides  
 
Spare batten (as long as longest batten in main)  
 
Winch repair kit - spare pawls and springs  
Self Steering / Autopilot
 
Hydraulic oil for autopilot ram - check owner's manual for recommended viscosity.  
 
Spare drive belts (2) for autopilot (wheel type)  
 
Spare wind vane for wind-driven self steering units  
Steering
 
Spare parts for mechanical steering: wire, nicropress fittings (or cable clamps) sheave(s),  
 
Hydraulic oil (for hydraulic steering systems) - enough for one complete refill  
Standing Rigging
 
Swageless fittings (e.g. Norseman or Sta-lok) - 2 fittings to match each size of wire on your rig. Remember, shrouds and stays are usually different sizes.  
 
Spare turnbuckles (2 of each size)  
     

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Supplies List

Supplies are items that are consumed during the normal course of living aboard and cruising. Periodically review this checklist to make sure you have enough of these items stocked aboard.

Adhesives & Sealants
 
Adhesives: Crazy Glue, 10-minute epoxy, West system epoxy & cloth, 5200, 4200 quick set, Silicone caulking Note: adhesives have a fixed shelf life. Don't use old adhesives - they won't set up properly.
  Sealants: Life-caulk, Life-caulk liquid, Silkaflex,  
     
Drinking Water
 
Spare filter elements for sediment  
 
Spare filter elements for taste filter @ faucet(s)  
 
Household bleach for sanitizing (Don't use if you have aluminum tanks!)  
Fasteners
  #16 Whipping Twine (waxed)  
  Assortment of stainless steel nuts, bolts and washers  
  Assortment of stainless steel screws (wood screws and self-tapping screws)  
 
Assortment of stainless steel canvas snap parts  
 
Assortment of wire ties  
Head
 
Holding tank deodorizer (blue liquid)  
 
Toilet Tissue (marine or RV type that breaks down easily)  
  Vegetable oil - use to lubricate head every week  
Lubricants / Solvents / Etc.
 
3-in-1 oil  
 
Acetone (1qt, preferably in heavy plastic container that won't rust)  
 
Anhydrous Lanolin - for turnbuckles  
 
Boeshield corrosion blocker (or similar)  
 
Form-a-gasket compound  
 
Graphite lubricant  
 
Grease gun with end to fit common grease zercs  
 
Loc-Tite thread locker (both red and blue varieties)  
 
PB Blaster (for freeing frozen parts)  
 
Silicone spray  
 
Winch grease (do NOT use regular grease!)  
Navigation
  Spare batteries for handheld GPS  
Personal Gear
 
Rubber gloves for protection while scrubbing hull  
 
Nitrile gloves for working on greasy engine (dyed diesel fuel stains your skin)  
  Safety goggles  
Rigging
 
Monel seizing wire  
 
Riggers tape (white, self-bonding tape)  
Tape
 
Duct tape  
 
Masking tape  
 
Riggers tape (white, self-bonding tape)  
 
Strapping tape (for bundling things together & emergency repairs)  
 
"X-treme" brand tape for repairing broken hoses, etc.  

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Links to Outside Resources

The following links provide links to further reading, manufacturers websites and more information on "how to"

Item
Link to Detail
Topic
     
     
     
Topic
     
     

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