top of page
JOH-32503 500 GPH Cartridge Bilge Pump 12V

JOH-32503 500 GPH Cartridge Bilge Pump 12V

Rating is 0.0 out of five stars based on reviews

Johnson 32503 500 GPH Cartridge Bilge Pump 12V. 12 volt non-automatic submersible pump with 3/4 in. discharge outlet is activated by an external float switch & features an easy-to-replace twist lock motor cartridge.

  • Johnson Pump cartridge bilge pump
  • Quickly and easily remove cartridge motor for cleaning or replacement without tools
  • 12 volt DC operation
  • For use with a float switch or panel switch
  • 630 GPH flow rate straight
  • 525 GPH flow rate @ 3 ft. of head
  • Includes both straight and 90 degree Dura-Port 3/4 in. hose barb discharge ports
  • Removable check valve
  • 2.5 amp draw
  • 5 amp fuse size
  • Efficient motor conserves energy with low amp draw
  • Water cooled motor for long service life
  • Flow of pump can be increased with the replacement of the cartridge motor with a higher output cartridge
  • 2.75 in. diameter x 4.4 in. height
  • Meets ISO 8849 Marine and CE standards

    *Switch Not Included*




    30 Day Money Back Guarantee

    If you are dissatisfied with your order for any reason, you can return your new and unused items for a refund or exchange within 30 days of the date of delivery of the product. All returns must be occampanied by a copy of the original purchase receipt. Refunds for items returned within thirty days of the purchase date will be credited in the same form as the original payment type. All items must be returned in the original packaging. The original shipping and handling charges are not refundable. There will be a 15% to 25% restocking fee on the price of the parts returned. Return Shipping is the customers responsibility, if we provide you with a return shipping label the return shipping costs will be deducted from your return credit. To request a return please reply to your order confirmation email or call us at 978-283-3334.


    You can trust that your order will be quickly processed and safely delivered. Most orders are shipped between 1 and 72 hours of receipt. We can ship most products anywhere in the United States. When you place an order we will estimate delivery dates based upon the availability of your item(s), shipping method selected and your shipment's destination. If you select UPS Ground as your shipping method and provide us with a PO Box as your shipping address we will ship the order via regular US Mail. Our shipping charges are determined by the total weight of your order. Some items are larger and will use "dimensional weight" instead of the actual weight of the order.

$47.40 Regular Price
$38.00Sale Price
Excluding Sales Tax
bottom of page