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Blue Sea Systems

Blue Sea 3003 HD-Series Battery Switch Selector w/Alternator Field Disconnect

Blue Sea 3003 HD-Series Battery Switch Selector w/Alternator Field Disconnect

SKU:20234

Regular price $134.99
Regular price Sale price $134.99
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  • Genuine brand-name parts
  • Ships from US warehouse
  • 30-day returns

3003 HD-Series Battery Switch Selector with Alternator Field Disconnect  Features: 500 Ampere Continuous Rating Accepts 4/0 battery cables Ignition protected - safe for installation aboard gasoline powered boats .870" (22.01mm) stud length to accept 4 or more cable terminals 1/2" (M12) Tin-plated copper studs for maximum conductivity and corrosion resistance Meets American Boat and Yacht Council (ABYC) requirements for battery switches Tactile textures indicate knob position by feel only Case design allows surface or rear panel mounting Fits all Perko and Guest low amperage battery switch hole patterns WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov .

Brand Blue Sea Systems
Manufacturer part number 3003
UPC / GTIN 632085030032
Weight 1.30 lb
Category Engine & Drivetrain
Condition New — genuine brand-name part
Genuine brand-name part, full manufacturer warranty. Ships from the closest US warehouse — normally within 1–3 business days. Verify fitment with the manufacturer part number above; not sure? Send us your VIN and we’ll confirm before you order. 30-day returns on unused parts.

Shipping & delivery

Orders ship from the distributor warehouse closest to you, normally within 1–3 business days of purchase. Standard ground delivery takes 3–7 business days in the continental US; expedited options are shown at checkout. Oversized items (bumpers, running boards, large tonneau covers, some marine equipment) ship LTL freight — we contact you to schedule delivery and a signature is required.

Returns & warranty

Unused, uninstalled parts in original packaging can be returned within 30 days of delivery. A restocking fee of up to 20% may apply depending on the product and supplier, and return shipping is the buyer’s responsibility unless the item arrived defective, damaged or incorrect. Every product carries the full manufacturer warranty. Contact us with your order number to start a return.

Fitment & part numbers

Verify fitment with the manufacturer part number shown above and your vehicle’s year, make, model and trim. If the listing says “Fits select…”, confirm your exact application before ordering. Not sure? Send us your VIN and the part number and we’ll check it for you.

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