My Account
Shopping Cart

Seachoice 18-682M Raw Water Engine Circulation Pump for GM L4 & L6

Manufacturer

Seachoice

<h3>About Seachoice: Built by Boaters, for Boaters</h3><p><strong>Seachoice</strong> has been a cornerstone of the marine industry since 1988, when it launched as a supplier of high-quality marine hardware and OEM replacement parts, focusing on essentials like cleats, hinges, and hasps. Over the decades, the brand recognized that boaters needed a single trusted source for everything on the water, and rose to the challenge — today offering more than 6,000 replacement parts and accessories across 17 key product categories to serve the fishing, boating, and watersports communities worldwide.</p><h3>A Comprehensive Marine Catalog</h3><p>Few brands match the breadth of Seachoice's lineup. Whether you're rigging a new vessel, maintaining a well-worn workhorse, or gearing up for a weekend on the lake, Seachoice covers the essentials. The catalog spans marine lighting, fuses, fasteners, safety equipment, anchors, electrical components, boat plumbing, watersports accessories, and much more. Standout product lines include SAE- and DOT-approved marine lighting solutions, <strong>zinc anodes</strong> for corrosion protection, galvanized folding grapnel anchors, bilge pumps, tow ropes, and antifouling bottom paints — making Seachoice a go-to source for both routine maintenance and performance upgrades.</p><p>The brand's electrical category is especially expansive, covering connectors, terminals, crimpers, and heat-shrink tubing for clean, reliable wiring aboard any vessel. Seachoice also offers solar panels compatible with boats, RVs, and other vehicles — a testament to the brand's commitment to modern, energy-smart solutions on the water.</p><h3>Quality and Reliability You Can Count On</h3><p>Seachoice's guiding philosophy is straightforward: premium quality at a competitive price. The brand is described as &quot;run for and by boaters,&quot; meaning every design decision is grounded in real on-water experience. Backing up that confidence is a no-hassle warranty that covers the entire product line, giving customers peace of mind on every purchase. Products are continuously refined — with dozens of parts redesigned in recent years to meet higher performance standards — while pricing stays accessible for casual weekend boaters and serious mariners alike.</p><p>With inventory stocked across 18 strategic locations throughout the United States, Canada, and globally, Seachoice ensures that dealers and boaters can get what they need when they need it — before the tides change.</p><h3>Who Is Seachoice For?</h3><p>Seachoice's appeal spans a wide range of on-water enthusiasts. Anglers will find fishing-specific accessories and safety gear suited to long days offshore. Recreational boaters can outfit their vessels with docking hardware, fenders, mooring lines, and lighting. Watersports fans can gear up with tow ropes, ski ropes, and inflatable-compatible air pumps. Even sailing and paddlesports communities find representation in Seachoice's extensive catalog. Simply put, if it belongs on a boat, Seachoice likely makes it.</p>

Part Number

18-682M
09/12/2036 8:28 AM
Sale Price

$35.69

In Stock (10+)

delivery box

Usually delivered within 2 days

Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Seachoice 18-682M is a raw water engine circulation pump designed specifically for GM L4 (4-cylinder) and L6 (6-cylinder) marine engines. This essential cooling system component circulates raw water from the boat's intake through the engine block to maintain proper operating temperatures and prevent overheating.

Key Features:

  • Direct replacement for GM L4 and L6 marine engine applications
  • Reliable raw water circulation for engine cooling systems
  • Durable construction for marine environment use
  • Designed to meet OEM specifications for proper fit and function

Regular maintenance and replacement of your engine's circulation pump ensures consistent cooling performance and protects your marine engine from heat-related damage. This pump is a critical component for maintaining safe engine temperatures during operation.

No

FINE

Smooth process and quick shipping

Purchased a Dometic 16K AC retrofit unit to replace one that died after 20 years. Price for unit was comparable to other sites, and these other sites did not have the product in stock. Other sites were not specific on when part would be available. Boatplicity offered the best price for available stock. Part arrived as promised and delivery was on time. Arrived in excellent condition due to careful shipping packaging. AC unit has been installed and appears to be working well. Thanks for your assistance. Will use your site again for future purchases.

Please send tracking information Please send it fast !! Thanks

Simple to the point

Easy to find what I need and easy to order.

Share icon
Return Policy
Returns are easy at Boatplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy