Boat Maintenance

Sportsman's Guide carries the Marine Products and Boat Supplies you need to get your boat in tip-top-shape for your summer fun! Find a large assortment of Boat Hardware & Marine Parts, Cleaning Supplies, Engine Parts & Motor Accessories, Livewells & Bilge Pumps, Steering & Controls, Water & Waste Systems. Find all the Marine Parts you are looking for at Sportsman's Guide and save BIG!

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The Guide carries the top brands in both Boat Hardware & Maintenance Supplies such as Sierra, Seachoice, Starbrite, Attwood, Panther, Seloc and more all at the lowest prices...guaranteed!

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Sierra® 10W - 30 4 - Stroke Marine Outboard Engine Oil

Item # WX2-172077

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    Why are all sizes not listed? We only display sizes that are currently available for you to order.

Starting at...
Non-Member $6.49 Buyer's Club $5.84

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Sierra 10W - 30 4 - Stroke Marine Outboard Engine Oil.

10W-30 4 cycle oil is a highly refined petroleum product formulated with premium base stock and highly refined additives.

Specifically formulated to meet or exceed the tough requirements of the Marine 4-Stroke motor manufacturers, Mercury, Yamaha, Johnson-Evinrude, Suzuki and Honda.

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  • Excellent anti-wear protection
  • Reduces friction
  • Formulated to offer maximum corrosion protection
  • Reduces sludge keeps engine cleaner for better efficiency
  • Low temperature viscosity offers better cold starting
  • Meets and exceeds quality performance API SJ, CF-2, CH-4.

State Size, as available in the Shopping Cart. Order ONLINE Today!

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Fulton Outboard Motor Lok

Item # WX2-44144

Non-Member $39.99 Buyer's Club $35.99

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Fulton Outboard Motor Lok prevents theives from taking your motor!

  • Mounts over mounting clamp handles on MOST outboard motors
  • Heavy gauge steel body, with long-lasting black powder-coat finish
  • Foam filler insert reduces noise and vibration.

Order ONLINE Today!

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Sierra 25W-40 Synthetic Blend 4-Stroke Outboard Oil

Item # WX2-172078

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    Why are all sizes not listed? We only display sizes that are currently available for you to order.

Starting at...
Was $28.99 Non-Member $7.49 Buyer's Club $6.74

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Sierra® 25W - 40 Synthetic Blend 4-Stroke Outboard Oil.

Blended with premium grade synthetic and mineral based stock combined with superior designed additives formulated for the extreme rigors of the marine environment:

  • Superior corrosion protection
  • Advanced lubrication for reduction of wear to internal engine components
  • Minimized piston ring deposits
  • Extensively tested for outstanding performance.

State Size, as available in the Shopping Cart. Order Today!

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Masterlock® Outboard Motor Lock

Item # WX2-104571

5 stars
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Non-Member $29.99 Buyer's Club $26.99

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Masterlock® Outboard Motor Lock.

Heavy duty:

  • Brass construction offers maximum corrosion resistance
  • Hardened steel tube with a laminated brass lock body
  • Marine brass shackle
  • 4-pin tumbler cylinder
  • Vinyl covered for maximum corrosion resistance
  • Locks outboard motors up to 40 H.P.

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