---
product_id: 78933596
title: "05903-00 Cartridge Combo Automatic Submersible Bilge Pump - 12V, 1000 GPH, red"
brand: "johnson pump"
price: "R5274"
currency: ZAR
in_stock: true
url: https://www.desertcart.co.za/products/78933596-05903-00-cartridge-combo-automatic-submersible-bilge-pump-12v-1000
store_origin: ZA
region: South Africa
---

# 12V power for reliable performance 1000 GPH high flow rate Dura-Port discharge ports for easy, crack-free installation 05903-00 Cartridge Combo Automatic Submersible Bilge Pump - 12V, 1000 GPH, red

**Brand:** johnson pump
**Price:** R5274
**Availability:** ✅ In Stock

## Summary

> 🚤 Stay dry, stay ahead — the pump that works as hard as you do!

## Quick Answers

- **What is this?** 05903-00 Cartridge Combo Automatic Submersible Bilge Pump - 12V, 1000 GPH, red by johnson pump
- **How much does it cost?** R5274 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/78933596-05903-00-cartridge-combo-automatic-submersible-bilge-pump-12v-1000)

## Best For

- johnson pump enthusiasts

## Why This Product

- Trusted johnson pump brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Powerful & Compact:** Delivers a robust 1000 GPH flow rate in a sleek, submersible 12V design that fits tight spaces.
- • **Built-In Check Valve:** Removable check valve ensures backflow prevention, keeping your bilge dry and your boat safe.
- • **Stress-Free Installation:** Innovative Dura-Port discharge ports prevent hose clamp cracks, saving you time and maintenance costs.
- • **Versatile Discharge Options:** Includes both straight and 90° smooth elbow ports for flexible setup in any bilge configuration.
- • **Effortless Automatic Operation:** Electro-magnetic float switch activates pump hands-free, so you never worry about flooding.

## Overview

The Johnson Pump 05903-00 Cartridge Combo is a 12V automatic submersible bilge pump delivering a powerful 1000 GPH flow rate. Featuring an electro-magnetic float switch for hands-free operation, easy-to-install Dura-Port discharge ports that prevent stress cracking, and both straight and 90° elbow fittings with a removable check valve, this pump offers reliable, versatile, and maintenance-friendly bilge water management for any boat.

## Description

Johnson Pump

## Features

- Automatic operation from the electro-magnetic float switch
- Equipped with easy-to-install Dura-Port discharge ports
- Ports eliminate stress cracking caused by overtightened hose clamps
- Pumps include both a straight and a 90° smooth elbow Dura-Port as well as a removable check valve
- Flow Rate: 1000 GPH

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Color | Red |
| Size | 12V |
| Style | Bilge Pump,Submersible |
| Height | 7.5 inches |
| Item display length | 7 inches |
| Weight | 454 g |
| Item display width | 4.5 inches |
| Material type | Plastic |
| Number of items | 1 |
| Power source | Battery Powered |
| Included components | Johnson Pump 05903-00 Cartridge Combo Automatic Submersible Bilge Pump - 12V, 1000 GPH |
| Batteries included? | No |
| Brand | Johnson Pump |
| Department | mens |
| Manufacturer | Johnson Pump |
| Item model number | 05903-00 |
| Product Dimensions | 17.78 x 11.43 x 19.05 cm; 453.59 g |
| ASIN | B00CUOAEIW |

## Product Details

- **Brand:** Johnson Pump
- **Colour:** Red
- **Material:** Plastic
- **Style:** Bilge Pump,Submersible
- **Product dimensions:** 17.8L x 11.4W x 19.1H centimetres
- **Power source:** Battery Powered
- **Item weight:** 454 g
- **Maximum flow rate:** 0.06 Cubic Metres Per Minute
- **Maximum lifting height:** 36 Inches
- **Voltage:** 12 Volts

## Images

![05903-00 Cartridge Combo Automatic Submersible Bilge Pump - 12V, 1000 GPH, red - Image 1](https://m.media-amazon.com/images/I/51OgdPMXDhL.jpg)

## Frequently Bought Together

- Johnson Pump 05903-00 Cartridge Combo Automatic Submersible Bilge Pump - 12V, 1000 GPH, red
- Johnson Pumps 32903 Cartridge Bilge Pump with Dura-Port - 1000 GPH, Black
- Johnson Pump of America 28512 Marine Pump Cartridge for 1000 GPH Motor, Black

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**Shop now:** [https://www.desertcart.co.za/products/78933596-05903-00-cartridge-combo-automatic-submersible-bilge-pump-12v-1000](https://www.desertcart.co.za/products/78933596-05903-00-cartridge-combo-automatic-submersible-bilge-pump-12v-1000)

---

*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-03-30*