null

FREE SHIPPING OVER $99

BEST PRICE GUARANTEED

EARN POWERBOAT REWARDS

SUPPORT M-F 9-5 EST: 856-232-6969

Buy a Mercury Outboard → Get 8-Year Platinum Warranty for $1! ⚡ Offer Ends Soon! — Shop Now ›

Boat Accessories and Supplies

Boat Accessories and Supplies

  • Sierra Bracket-Rocker Switch Double Un19730

    Sierra Bracket-Rocker Switch Double Un19730

    Sierra

    $15.79 $11.03
    Sierra Bracket-Rocker Switch Double Un19730Fits Sierra Standard and Contura® rocker switches. Sections snap together without using tools.UN19750 Kit includes: Two End Sections (UN19740); 1 Middle Section (UN19710); 1 Blank Cover (UN19700).
    Part Number:
    11-UN19730
    Availability:
    In Stock - Ships same or next business day.
    Description:
    2 Centers
    $15.79 $11.03
  • Sierra Circuit Breaker 40A Man Reset Cb43240

    Sierra Circuit Breaker 40A Man Reset Cb43240

    Sierra

    $15.19 $11.15
    Sierra Circuit Breaker 40A Man Reset Cb43240Perfect for rigging trolling motors; windlasses and other high amp electrical equipment. Includes stud mounting plate and 8 GA ring terminal.
    Part Number:
    11-CB43240
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Manual Reset
    Amps:
    40
    $15.19 $11.15
  • Sierra Circuit Breaker White Plas 3A Cb41100

    Sierra Circuit Breaker White Plas 3A Cb41100

    Sierra

    $11.19 $8.39
    Sierra Circuit Breaker White Plas 3A Cb41100Replacement for popular panel mounted breakers Mounts in 3/8" hole White push buttons for DC; black for AC
    Part Number:
    11-CB41100
    Availability:
    In Stock - Ships same or next business day.
    Amps:
    3
    $11.19 $8.39
  • Sierra Ignition Switch Mp39070

    Sierra Ignition Switch Mp39070

    Sierra

    $57.39 $40.17
    Sierra Ignition Switch Mp39070All amperage ratings are at 12V DC.Polyester Switches: Provide maximum corrosion protection and eliminate potential shorts. Inner seal between cylinder lock and contact plate.Brass Switches: Traditional corrosion resistant...
    Part Number:
    11-MP39070
    Availability:
    In Stock - Ships same or next business day.
    Type:
    Conventional
    Material:
    Brass
    Max Panel Thickness:
    1"
    Terminals:
    4 Screw
    Boot:
    Yes
    Mtg Hole:
    7/8"
    $57.39 $40.17
  • Sierra Ignition Switch Mp39090

    Sierra Ignition Switch Mp39090

    Sierra

    $56.39 $39.45
    Sierra Ignition Switch Mp39090All amperage ratings are at 12V DC.Polyester Switches: Provide maximum corrosion protection and eliminate potential shorts. Inner seal between cylinder lock and contact plate.Brass Switches: Traditional corrosion resistant...
    Part Number:
    11-MP39090
    Availability:
    In Stock - Ships same or next business day.
    Type:
    Magneto
    Material:
    Polyester
    Max Panel Thickness:
    1-1/8"
    Terminals:
    6 Screw
    Boot:
    Yes
    Mtg Hole:
    7/8"
    $56.39 $39.45
  • Sierra Ignition Switch OMC 4-Positi. Mp41080

    Sierra Ignition Switch OMC 4-Positi. Mp41080

    Sierra

    $34.29 $24.58
    Sierra Ignition Switch OMC 4-Positi. Mp41080All amperage ratings are at 12V DC.Polyester Switches: Provide maximum corrosion protection and eliminate potential shorts. Inner seal between cylinder lock and contact plate.Brass Switches: Traditional...
    Part Number:
    11-MP41080
    Availability:
    In Stock - Ships same or next business day.
    Type:
    Magneto
    Material:
    Polyester
    Max Panel Thickness:
    5/8"
    Terminals:
    6 Screw - 1 Boss
    Boot:
    No
    Mtg Hole:
    7/8"
    $34.29 $24.58
  • Sierra Lanyard-Ignition BRP #585134 Mp28900

    Sierra Lanyard-Ignition BRP #585134 Mp28900

    Sierra

    $31.09 $24.06
    Sierra Lanyard-Ignition BRP #585134 Mp28900Lanyard for emergency engine cut-off switch. Kills ignition when lanyard is pulled. For use with conventional or magneto ignitions. Seals out moisture and makes reconnection easier.
    Part Number:
    11-MP28900
    Availability:
    In Stock - Ships same or next business day.
    Fits:
    BRP
    Replaces:
    432230
    $31.09 $24.06
  • Sierra Push Button Ignition Switch Mp39160

    Sierra Push Button Ignition Switch Mp39160

    Sierra

    $22.09 $17.75
    Sierra Push Button Ignition Switch Mp39160Ratings Are 12V.
    Part Number:
    11-MP39160
    Availability:
    In Stock - Ships same or next business day.
    Description:
    Mom On/Off SPST
    1-7/16''L x 5/8'' mounting stem w/rubber boot nut
    Amps:
    30
    Boot:
    Black
    $22.09 $17.75
  • Sierra Rocker Switch - On/Off/On Rk40170

    Sierra Rocker Switch - On/Off/On Rk40170

    Sierra

    $13.89 $11.60
    Sierra Rocker Switch - On/Off/On Rk40170Non corrosive plastic construction. Black face plate. Non-illuminated. Silver contacts and brass blade terminals. Rated: 20 amps @ 12 VDC. ON in parenthesis (On) indicates a momentary position.
    Part Number:
    11-RK40170
    Availability:
    In Stock - Ships same or next business day.
    Positions:
    On/Off/On
    Color:
    Black
    Type:
    SPDT
    Terminals:
    3 Blade
    $13.89 $11.60
  • Sold Out, please call for ETA.
    Sierra Rotoswitch L/On/Off/R Mp78800

    Sierra Rotoswitch L/On/Off/R Mp78800

    Sierra

    $24.49 $18.92
    Sierra Rotoswitch L/On/Off/R Mp78800Rotoswitch® provides illumination with different colors providing immediate visual information of switch position. Unique ergonomic design; styling and performance in one design 20 amp @12 Volts DC Durable cam design...
    Part Number:
    11-MP78800
    Availability:
    In Stock - Ships same or next business day.
    -45 Deg -:
    On
    0 Deg -:
    Off
    +45 Deg -:
    On
    +90 Deg -:
    -
    Type:
    DPDT
  • Sierra Switch Contura 2 M ON-OFF Il SPST Black Rk19450-1

    Sierra Switch Contura 2 M ON-OFF Il SPST Black Rk19450-1

    Sierra

    $16.79 $13.71
    Sierra Switch Contura 2 M ON-OFF Il SPST Black Rk19450-1Illuminates when in On positionNon-corrosive plastic constructionRemovable actuatorBrass blade terminals; silver contactsRated for 20 amps at 12 volts. ON in parenthesis (On) indicates a momentary...
    Part Number:
    11-RK194501
    Availability:
    In Stock - Ships same or next business day.
    Positions:
    (On)/Off
    Type:
    SPST
    Terminals:
    3 Blade
    $16.79 $13.71
  • Sierra Switch Contura 2 M ON-OFF-M On Il Dpd Rk19550-1

    Sierra Switch Contura 2 M ON-OFF-M On Il Dpd Rk19550-1

    Sierra

    $25.99 $20.24
    Sierra Switch Contura 2 M ON-OFF-M On Il Dpd Rk19550-1Illuminates when in On positionNon-corrosive plastic constructionRemovable actuatorBrass blade terminals; silver contactsRated for 20 amps at 12 volts. ON in parenthesis (On) indicates a momentary...
    Part Number:
    11-RK195501
    Availability:
    In Stock - Ships same or next business day.
    Positions:
    (On)/Off/(On)
    Type:
    DPDT
    Terminals:
    7 Blade
    $25.99 $20.24
  • On Sale
    Sierra Switch Contura 5 ON-OFF-ON Ill Black Rk19320

    Sierra Switch Contura 5 ON-OFF-ON Ill Black Rk19320

    Sierra

    $19.69 $11.72
    Sierra Switch Contura 5 ON-OFF-ON Ill Black Rk19320Non-corrosive plastic constructionProtects against dust and prolonged spray to IP66 and IP68 standardsMeets UL 1500; ISO 8846 ignition protection requirementsSupplied with neoprene mounting...
    Part Number:
    11-RK19320
    Availability:
    In Stock - Ships same or next business day.
    Positions:
    On-Off-On
    Type:
    SPDT
    Terminals:
    4 Blade
    $19.69 $11.72
  • Sierra Switchrocker Off On Iluminatd Rk40100

    Sierra Switchrocker Off On Iluminatd Rk40100

    Sierra

    $14.99 $12.36
    Sierra Switchrocker Off On Iluminatd Rk40100Non-corrosive plastic construction; silver contacts; brass blade terminals. Rated 20 amps @ 12VDC. Fits a cutout of .830'' x 1.45''. Fits panel up to .187'' thick. ON in parenthesis (On) indicates a momentary...
    Part Number:
    11-RK40100
    Availability:
    In Stock - Ships same or next business day.
    Positions:
    Off/On
    Type:
    SPST
    Terminals:
    3 Blade
    $14.99 $12.36
  • Sierra Switchtoggle 3 Pos Lit Tip Tg40320

    Sierra Switchtoggle 3 Pos Lit Tip Tg40320

    Sierra

    $19.89 $15.73
    Sierra Switchtoggle 3 Pos Lit Tip Tg40320Lights through tip of handle. Non-corrosive plastic construction. Illuminates white when panel lights are ON; changes to red when switch is ON. Brass blade terminals; silver contacts. 15/32" L x 15/32" -32...
    Part Number:
    11-TG40320
    Availability:
    In Stock - Ships same or next business day.
    Positions:
    On/Off/On
    Terminals:
    5 Blade
    Type:
    SPDT
    Pkg.:
    Retail
    $19.89 $15.73
  • Sierra Toggle Switch Tg22040

    Sierra Toggle Switch Tg22040

    Sierra

    $11.19 $9.04
    Sierra Toggle Switch Tg22040Fits panels up to 1/4" thick. On in parenthesis (On) indicates a momentary position.50A Switches:Die cast zinc housingCopper screw terminalsChrome/Plastic handle25A Switches:Nickle/Brass stem and hardware
    Part Number:
    11-TG22040
    Availability:
    In Stock - Ships same or next business day.
    Positions:
    (On)/Off/(On)
    Terminals:
    Blade
    Type:
    SPDT
    Rating:
    25 amp
    $11.19 $9.04

Shop the Best Boat Accessories Online

Whether you're prepping for a weekend on the water or upgrading your gear, PowerBoatSupply.com has all the boat accessories you need. From electrical components and drink holders to safety gear and dock lines, our wide selection of boat accessories ensures you're ready for anything out on the water.

We carry trusted brands like Sea-Dog Line, Seachoice, Attwood Marine, and more — offering both essential and specialized boat accessories for every type of boater. Not sure which part is right for your setup? Our team is here to help you choose the best boat accessories for your vessel and your adventures.

Browse our best-selling items below and get fast shipping, great prices, and top-rated customer service from PowerBoatSupply.com — your source for quality marine parts and accessories since 1987.