Boat Accessories and Supplies
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Sold Out, please call for ETA.
Sierra 4 Pole Plug Set W/4Ft 16Ga Wh10160
Sierra
$0.00Sierra 4 Pole Plug Set W/4Ft 16Ga Wh20160Car to trailer. 16 gauge.- Part Number:
- 11-WH10160
- Availability:
- In Stock - Ships same or next business day.
- Connector:
- 4 Pole
- Lead:
- 48"
$0.00 -
Sierra 6 Gang Ato/Atc Fuse Block Fs40420
Sierra
$36.09 $24.95Sierra 6 Gang Ato/Atc Fuse Block Fs40420For ATO/ATC fuses Interlocking modules snap together 1/4" tin plated copper tab terminals Rated 30 Amp per circuit; 160 amp max for block- Part Number:
- 11-FS40420
- Availability:
- In Stock - Ships same or next business day.
- Gang:
- 6
- Fuse:
- ATO/ATC
- Neg Bus:
- Yes
- Size:
- 3-3/4" x 3-1/4"
$36.09 $24.95 -
Sold Out, please call for ETA.
Sierra 8Ga 24V 3 Wire Bt Side Conn Wh10540
Sierra
$0.00Sierra 8Ga 24V 3 Wire Bt Side Conn Wh20540With butt connector; 8 gauge. Ready-wired.- Part Number:
- 11-WH10540
- Availability:
- In Stock - Ships same or next business day.
- Volts:
- 24
- Type:
- Male - 3 Prong
$0.00 -
Sierra Act Contura 5 Black W-2Red Lens 2/Pk Rk22200
Sierra
$10.99 $8.96Sierra Act Contura 5 Black W-2Red Lens 2/Pk Rk22200Replacement actuators with windows for illuminated switches.- Part Number:
- 11-RK22200
- Availability:
- In Stock - Ships same or next business day.
- Color:
- Black
- Lens:
- 2
- Pkg.:
- 2
$10.99 $8.96 -
Sierra Act Contura 5 Black W-Red Lens 2/Pk Rk22190
Sierra
$10.99 $8.96Sierra Act Contura 5 Black W-Red Lens 2/Pk Rk22190Replacement actuators with windows for illuminated switches.- Part Number:
- 11-RK22190
- Availability:
- In Stock - Ships same or next business day.
- Color:
- Black
- Lens:
- 1
- Pkg.:
- 2
$10.99 $8.96 -
Sierra Actuator Contura 2 Black 2/Pk Rk22160
Sierra
$11.09 $8.95Sierra Actuator Contura 2 Black 2/Pk Rk22160Replacement actuators for non-illuminated switches.- Part Number:
- 11-RK22160
- Availability:
- In Stock - Ships same or next business day.
- Color:
- Black
- Pkg.:
- 2
$11.09 $8.95 -
On Sale
Sierra Actuator Contura 3 Black W-2Wh Lens 2/P Rk22140
Sierra
$10.99 $6.63Sierra Actuator Contura 3 Black W-2Wh Lens 2/P Rk22140Replacement actuators with windows for illuminated switches.- Part Number:
- 11-RK22140
- Availability:
- In Stock - Ships same or next business day.
- Color:
- Black
- Lens:
- 2
- Pkg.:
- 2
$10.99 $6.63 -
Sierra Actuator Contura 3 Gray 2/Pk Rk22110
Sierra
$11.09 $8.96Sierra Actuator Contura 3 Gray 2/Pk Rk22110Replacement actuators with windows for illuminated switches.- Part Number:
- 11-RK22110
- Availability:
- In Stock - Ships same or next business day.
- Color:
- Gray
- Lens:
- N/A
- Pkg.:
- 2
$11.09 $8.96 -
Sierra Actuator Contura 3 Gry W-2Wh Lens 2/P Rk22150
Sierra
$11.09 $8.95Sierra Actuator Contura 3 Gry W-2Wh Lens 2/P Rk22150Replacement actuators with windows for illuminated switches.- Part Number:
- 11-RK22150
- Availability:
- In Stock - Ships same or next business day.
- Color:
- Gray
- Lens:
- 2
- Pkg.:
- 2
$11.09 $8.95 -
Sierra Actuator Contura 3 Gry W-Wh Lens 2/P Rk22130
Sierra
$11.09 $8.95Sierra Actuator Contura 3 Gry W-Wh Lens 2/P Rk22130Replacement actuators with windows for illuminated switches.- Part Number:
- 11-RK22130
- Availability:
- In Stock - Ships same or next business day.
- Color:
- Gray
- Lens:
- 1
- Pkg.:
- 2
$11.09 $8.95 -
Sold Out, please call for ETA.
Sierra Actuator Contura 5 Black 2/Pk Rk22180
Sierra
$0.00Sierra Actuator Contura 5 Black 2/Pk Rk22180- Part Number:
- 11-RK22180
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Replacement Actuator
- Color:
- Black
- Pack:
- 2
$0.00 -
Sierra Alligator Clip 1 1/4 2/Pk Ec01380
Sierra
$6.79 $5.64Sierra Alligator Clip 1 1/4 2/Pk Ec01380Clips are 1-1/4" and insulated. Package of 2.- Part Number:
- 11-EC01380
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Insulated Clips
- Pack:
- 2
$6.79 $5.64 -
Sierra Alligator Clip 2In W/Term 2/Pk Ec01370
Sierra
$5.79 $4.85Sierra Alligator Clip 2In W/Term 2/Pk Ec01370Clips are 1-1/4" and insulated. Package of 2.- Part Number:
- 11-EC01370
- Availability:
- In Stock - Ships same or next business day.
- Description:
- Clip 2" w/ screw term.
- Pack:
- 2
$5.79 $4.85 -
Sierra Batt Cables Red 2 Gauge 4' Bc88543
Sierra
$44.89 $35.19Sierra Batt Cables Red 2 Gauge 4' Bc88543Features a soldered lug terminal on each end to accept a 3/8" stud.- Part Number:
- 11-BC88543
- Availability:
- In Stock - Ships same or next business day.
- Gauge:
- 2
- Color:
- Red
- Length:
- 48"
$44.89 $35.19 -
Sold Out, please call for ETA.
Sierra Batt Isolator 1-Alt 2-Bat 130A 18-6851
Sierra
$199.99 $177.73Sierra Batt Isolator 1-Alt 2-Bat 130A 18-6851Battery isolators allow you to charge multiple batteries from a single source.* Will not work with Delco "CS" style alternators.- Part Number:
- 47-6851
- Availability:
- In Stock - Ships same or next business day.
- Amps:
- 130
- Application:
- 1 alternator / 2 batteries*
$199.99 $177.73 -
Sold Out, please call for ETA.
Sierra Batt Isolator 1-Alt 2-Bat 165A 18-6852
Sierra
$222.79 $203.63Sierra Batt Isolator 1-Alt 2-Bat 165A 18-6852Battery isolators allow you to charge multiple batteries from a single source.* Will not work with Delco "CS" style alternators.- Part Number:
- 47-6852
- Availability:
- In Stock - Ships same or next business day.
- Amps:
- 165
- Application:
- 1 alternator / 2 batteries
$222.79 $203.63 -
Sold Out, please call for ETA.
Sierra Batt Isolator 1-Alt 2-Bat 200A 18-6853
Sierra
$0.00Sierra Batt Isolator 1-Alt 2-Bat 200A 18-6853Battery isolators allow you to charge multiple batteries from a single source.* Will not work with Delco "CS" style alternators.- Part Number:
- 47-6853
- Availability:
- In Stock - Ships same or next business day.
- Amps:
- 200
- Application:
- 1 alternator / 2 batteries
$0.00 -
Sierra Batt Isolator 1-Alt 2-Batt 75A 18-6855
Sierra
$111.89 $101.21Sierra Batt Isolator 1-Alt 2-Batt 75A 18-6855Battery isolators allow you to charge multiple batteries from a single source.* Will not work with Delco "CS" style alternators.- Part Number:
- 47-6855
- Availability:
- In Stock - Ships same or next business day.
- Amps:
- 75
- Application:
- 1 alternator / 2 batteries*
$111.89 $101.21 -
Sierra Batt Isolator 1-Alt 3-Bat 160A 18-6854
Sierra
$352.09 $314.78Sierra Batt Isolator 1-Alt 3-Bat 160A 18-6854Battery isolators allow you to charge multiple batteries from a single source.* Will not work with Delco "CS" style alternators.- Part Number:
- 47-6854
- Availability:
- In Stock - Ships same or next business day.
- Amps:
- 160
- Application:
- 1 alternator / 3 batteries
$352.09 $314.78 -
Sold Out, please call for ETA.
Sierra Batt Isolator 6-50V 2-Bat 270A 18-6856
Sierra
$9.25Sierra Batt Isolator 6-50V 2-Bat 270A 18-6856Battery isolators allow you to charge multiple batteries from a single source.* Will not work with Delco "CS" style alternators.- Part Number:
- 47-6856
- Availability:
- In Stock - Ships same or next business day.
- Amps:
- 270
- Application:
- 1 alternator / 2 batteries
$9.25
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.