My Account
Shopping Cart

FatSac C1039 Yamaha Jet Boat 24ft Custom 800 lb Ballast Bag with Fittings

Manufacturer

FatSac

<h3>FatSac: The Original Ballast System for Wakeboarding &amp; Wakesurfing</h3><p>When it comes to shaping the perfect wake, few names carry more weight — literally — than <strong>FatSac</strong>. Manufactured by Fly High in Milwaukee, Wisconsin, FatSac is widely recognized as the original ballast bag brand in the wakeboarding and wakesurfing world. Decades of refinement and a relentless commitment to quality have made FatSac the go-to choice for riders who demand more from their boat's wake.</p><h3>Trusted by the Industry's Best Boat Builders</h3><p>FatSac's reputation is built not just by enthusiasts, but by the marine industry itself. Leading wake boat manufacturers — including Nautique, Malibu, Axis, Supra, and Moomba — have relied on FatSac ballast systems as OEM equipment straight from the factory. If you've owned a wake boat over the past decade, there's a strong chance it already came equipped with a FatSac inside. That level of industry trust is a testament to the brand's consistent performance and durability.</p><h3>Built to Last: Premium Materials and Craftsmanship</h3><p>Every FatSac is proudly handmade in the USA. The flagship Pro X Series bags are constructed from a three-layer Valmex material — the same type used in river rafts and inflatable watercraft — making punctures and abrasions a near-impossibility. FatSac also takes an extra step that sets it apart from competitors: extra-wide seams are not only welded but also taped, adding a second layer of protection against failure. This meticulous attention to detail is what keeps FatSac at the top of the ballast market year after year.</p><h3>A Complete Ballast Ecosystem</h3><p>FatSac's product lineup goes well beyond the iconic ballast bag. The brand offers a comprehensive range of <strong>ballast pumps</strong> — including the popular Supa Tsunami series, engineered for fast, efficient water transfer — as well as an extensive selection of <strong>fittings and plumbing components</strong> like quick-connect fittings, kink-proof hoses, and splitters to help riders build out fully integrated ballast systems. Whether you're setting up a simple aftermarket bag or a sophisticated automated plumbing network, FatSac has the hardware to get it done right.</p><h3>Bags for Every Boat Layout</h3><p>One of FatSac's greatest strengths is the sheer variety of bag shapes and capacities in their lineup. From the classic 750 lb universal bag that fits virtually any compartment, to purpose-built designs like the V-Drive Surf Sac, the Integrated Bow Sac, and the massive Fat Seat for direct drive boats, FatSac engineers ballast solutions for almost every wake boat configuration on the water. Custom-printed bags are also available, letting riders personalize their setup without sacrificing performance.</p><h3>Wake Enhancement and Accessories</h3><p>Beyond ballast, FatSac rounds out its catalog with wake enhancement tools and boat care accessories — everything a serious wakeboarder or wakesurfer needs to dial in their setup and keep their boat in top condition. From the Fat Brick for precision weight placement to electrical accessories like twin-socket USB splitters, FatSac thinks of the details so riders can focus on the ride.</p><p>Whether you're upgrading a factory ballast system or building a custom setup from scratch, FatSac delivers the quality, variety, and industry-proven performance that serious wake enthusiasts rely on.</p>

Part Number

C1039
09/17/2036 6:29 PM
Sale Price

$563.89

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 FatSac C1039 is a semi-custom 800-pound ballast bag engineered specifically for 24-foot Yamaha Jet Boats. Designed to mount to the swim platform step at the rear of the boat, this ballast bag adds significant weight to the stern, creating larger, surf-ready wakes ideal for wakesurfing and wakeboarding.

Constructed in the USA using advanced welding techniques and high-quality rafting material, FatSac ballast bags are trusted by leading boat manufacturers and water sports enthusiasts alike. The C1039 arrives complete with all necessary fittings—no additional hardware required.

Key Features:

  • 800 lb ballast capacity for maximum wake enhancement
  • Custom-fit design for 2017 and newer 24' Yamaha Jet Boat models
  • Ties down securely to the swim platform step
  • 4 welded-on PVC cleats for attachment and positioning
  • Compatible with the FatSac W709-SUPA Tsunami Pump for easy fill and drain
  • Sold in grey

Dimensions: 45" x 24" x 34"

In the Box:

  • 1x Ballast Bag (C1039)
  • 1x W730 fitting
  • 2x W731 fittings
  • 1x W749 fitting

Installation Note: The bag must be filled 100% full to the brim to prevent movement on the swim deck. Fill with water, bleed the air, then top off until completely full. Failure to follow the included instructions and installation videos will void the warranty.

WARNING (California Prop 65): This product can expose you to chemicals including Diisononyl Phthalate (DINP), which is known to the State of California to cause cancer. For more information, visit www.P65Warnings.ca.gov.

hope it fits

The only downside was that the part wasn't correct for the application, otherwise there's absolutely no complaint.

very easy

The product I ordered fit perfect just like the original part. Iwill be doing business with you in the future.

no comment

Fast shipping and the best pricing. This is the second time I have purchased from Autoplicity.com and will countinue to do so. Great online site.

Quick response to customer question and great customer service. Will be back to purchase from again

N/A

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