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Rule Industries 603STC Straight Thru-Hull Livewell Pump 800 GPH 12V

Manufacturer

Rule Industries

<h3>Rule Industries: The Gold Standard in Marine Water Management</h3><p><strong>Rule Industries</strong> has been synonymous with marine pump reliability since 1965. Founded when inventor Clinton Rule set out to solve the all-too-common problem of a leaky boat, the brand grew from a single innovative product into the world's most recognized name in submersible bilge pumps. Today, Rule operates under the Xylem family of water technology brands, but its identity — and its commitment to keeping vessels dry and boaters safe — remains as focused as ever.</p><p>For over five decades, Rule has set the industry benchmark in marine water management. Whether you're a weekend recreational boater, a tournament angler, or a commercial vessel operator, Rule's engineering philosophy is straightforward: build equipment that performs when it matters most. That reputation has earned Rule a place on the spec sheets of boat builders around the globe, with professionals and DIYers alike reaching for the Rule name when reliability is non-negotiable.</p><h3>Electric Bilge Pumps: Rule's Flagship Product</h3><p>The heart of the Rule lineup is its range of <a href="/6623-rule-industries-electric-bilge-pumps-200350">electric bilge pumps</a>. Available in both manual and automatic configurations, Rule bilge pumps are engineered to remove water from the lowest point of a boat's bilge efficiently and reliably. Automatic models feature water-sensing switches that activate the pump as needed, offering hands-free protection without draining the battery. Heavy-duty models incorporate stainless steel shafts, marine-grade blocked wiring, and ignition protection, while the Gold Series pumps are backed by a five-year guarantee — a testament to Rule's confidence in its own craftsmanship.</p><h3>Livewell &amp; Aerator Pumps for Serious Anglers</h3><p>Rule's expertise in water movement extends naturally into the fishing world. The brand's <a href="/6623-rule-industries-livewell-aerator-pumps-200624">livewell and aerator pumps</a> are engineered to circulate and oxygenate water in livewells and baitwells, keeping catch and live bait healthy throughout a long day on the water. Rule's Oxygenator Systems infuse air at the pump impeller to produce micro-fine bubbles that remain suspended longer, maximizing oxygen transfer to your bait or catch. The Tournament Series models feature a cartridge-style motor design that can be removed and replaced quickly — even mid-trip — keeping downtime to a minimum.</p><h3>Blowers, Plumbing &amp; Accessories</h3><p>Rule rounds out its marine offering with a suite of supporting products that complement its pump lineup. The brand's <a href="/6623-rule-industries-blowers-200176">bilge blowers</a> provide ventilation for engine compartments, bilges, galleys, and heads, featuring corrosion-resistant motor housings, front and rear shaft seals, and USCG 183.410 ignition-protection compliance. For system builders and installers, Rule also offers <a href="/6623-rule-industries-plumbing-parts-accessories-200786">plumbing parts and accessories</a> along with <a href="/6623-rule-industries-nylon-pipe-hose-fittings-200724">nylon pipe and hose fittings</a> — the connective tissue that ties a complete marine plumbing system together. With a catalog spanning over 135 products, Rule gives boaters everything they need to build, maintain, and upgrade their vessel's water management systems from a single trusted source.</p><h3>Why Boaters Trust Rule</h3><ul style="list-style:disc"><li>Over 60 years of continuous marine pump manufacturing since 1965</li><li>Submersible bilge pump designs trusted by boat builders from the factory</li><li>Automatic and manual models to suit every vessel type and size</li><li>Products engineered to meet rigorous commercial and recreational standards</li><li>Part of the Xylem global water technology portfolio</li><li>Wide availability through marine dealers across the US, Canada, Australia, UK, and beyond</li></ul>

Part Number

603STC
09/12/2036 8:14 AM
Sale Price

$75.78

In Stock (10+)

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Rule Industries 603STC is a high-performance straight thru-hull livewell pump designed to keep bait and catch alive during high-speed operation. This 800 GPH (gallons per hour) pump operates on 12V DC power and features a durable construction engineered to withstand the demanding pressures of high-speed water intake on modern, faster watercraft.

Key Features:

  • 800 GPH flow rate provides ample water circulation for livewells
  • Straight thru-hull design for efficient water intake
  • 12V DC operation for standard marine electrical systems
  • High-speed rated construction withstands pressure from fast-moving vessels
  • Reliable Rule Industries quality for superior performance
  • Ideal for keeping bait tanks and fish wells properly oxygenated

This livewell pump is essential for anglers who need dependable water circulation to maintain healthy bait and preserve their catch. The robust design ensures consistent performance even when running at higher speeds, making it the perfect choice for tournament fishermen and recreational boaters alike.

Products specifications

Amps

4.1

Gallons Per Hour

800

Outlet

3/4"

Type

Straight Thru-Hull

Voltage

12

The order got here later then it should have because I paid for faster shipping. Other then that everything looks good.

If my order is delivered and is correct part all is good

Is rather Rate it After I actually Experience the transaction. Thanks, Tommybabineau And a coupon for signing up first time would make it way better.

great service

I ordered a part for my RV furnace. You shipped it out in a reasonable time, but the part was delayed by the USPS and I received it almost a week after I ordered it. Since it was delayed & I could not wait for it, I got the same part from another place. After I received your part late, I called and requested a return. I was very satisfied with the return process & received notice yesterday that a refund had been issued. All in all, I was very satisfied with your service, but not with USPS.

Best service

Checkout was smooth and the price was reasonable. If the delivery is as smooth as the checkout, I&#039;ll be buying another set for my wife soon.

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